Last updated: April 14, 2025
Papua New Guinea's climate offers a striking array of temperatures and precipitation patterns that reflect its diverse geography. The country experiences a minimum temperature of 3°C (38°F) in November in Enga, while December can soar to a high of 38°C (101°F) in Western Province. Monthly rainfall sees significant variation, with a low of 45 mm (1.8 in) in July in the National Capital, peaking at an impressive 772 mm (30.4 in) in March in Jiwaka. Humidity levels also fluctuate widely, ranging from an average minimum of 73% in May in New Ireland to a maximum of 91% in June in Southern Highlands. This climatic diversity not only shapes the local ecosystems but also impacts agriculture and daily life, reflecting the rich environmental tapestry of the region.
Papua New Guinea, rich in biodiversity and vibrant culture, features primarily tropical climates classified under the Köppen-Geiger system. The majority of the regions, including Bougainville, Central Province, and Chimbu, fall under the Af classification, denoting a tropical rainforest climate characterized by high humidity and abundant rainfall year-round. This pattern extends across diverse areas such as Madang, Enga, and the Eastern Highlands. However, interestingly, the Milne Bay region exhibits a mix with classifications of both Aw and Af, highlighting its unique climatic diversity. The coastal provinces, like West New Britain and Hela, also enjoy the benefits of the lush, rainy environment, promoting rich ecosystems and agricultural practices, while the Western Province showcases distinct Am and Aw climates. With such a varied climate landscape, Papua New Guinea remains a treasure trove of ecological richness and cultural heritage.
| Climate Zone | Description |
|---|---|
| Af | Tropical rainforest climate with no dry season and high temperatures year-round. |
| Am | Tropical monsoon climate with heavy rainfall and high temperatures. |
| Aw | Tropical savanna climate with a dry season occurring in winter. |
Papua New Guinea experiences a diverse range of temperatures throughout the year, showcasing significant variation between its cooler highlands and the hotter lowlands. In January, temperatures swing from a brisk 8°C (46°F) in Enga to a sizzling 35°C (95°F) in Western Province. This pattern continues into February and March, where maximum temperatures peak at 35°C (95°F) and 36°C (97°F) respectively, especially in regions like East Sepik. As the year progresses, the cooler months of May through September maintain similar temperature lows around 6-7°C (43-45°F) in Enga, while high temperatures hover between 33°C (92°F) and 34°C (94°F). A notable dip occurs in November, where the minimum hits just 3°C (38°F) in Enga, before December heats up again, soaring to 38°C (101°F) in Western Province. Overall, the temperature trends illustrate a striking contrast between the enchanting cool highlands and the tropical warmth that defines this unique island nation.
In Papua New Guinea, precipitation patterns reveal significant regional and temporal variability. July marks the driest month in the National Capital, with a mere 45 mm (1.8 in) of rainfall over about 8 days. In stark contrast, March brings the highest rainfall in Jiwaka, where an average of 772 mm (30.4 in) can fall, highlighting the region’s susceptibility to intense wet seasons. Additionally, the Southern Highlands experience the peak number of rainy days in May, totaling 31 days, suggesting a prolonged wet period that significantly impacts local ecosystems and agriculture. This contrast between dry and wet months shapes the diverse climatic conditions across the islands, underscoring the importance of understanding these trends for effective resource management and planning.
Papua New Guinea experiences a notable range of humidity levels throughout the year, reflecting its diverse climate zones. In May, the minimum humidity dips to around 73% in New Ireland, providing a brief reprieve before the humidity climbs again. By June, the maximum humidity soars to 91% in the Southern Highlands, highlighting the region's tropical characteristics and creating a lush environment. This variation underscores how coastal areas may offer some relief, while the highlands embrace a more humid atmosphere, impacting both daily life and the natural ecosystem.
In March, Papua New Guinea experiences exceptionally high UV Index values, with the Gulf region averaging a maximum daily UVI of 16, while Enga records an even higher average of 19. This notable difference highlights a regional trend in UV exposure, suggesting that areas like Enga may face increased health risks associated with prolonged sun exposure. As climate patterns evolve, monitoring these trends will be crucial for raising awareness about UV safety and implementing effective public health strategies across the nation.
UV Risk Categories
In Papua New Guinea, sunshine duration shows fascinating regional variations throughout the year. For instance, in January, while Hela basks in 170 hours of sunlight, Manus enjoys a much sunnier backdrop with 236 hours. The trends shift slightly by August, as Hela's sunshine increases significantly to 230 hours, highlighting a peak during this month. However, the standout is December in Milne Bay, which flaunts an impressive 313 hours of sunshine, making it an enticing destination for those seeking warmth and light during the holiday season. These variations illustrate the diverse climatic conditions across the country's stunning landscapes.
When considering the likelihood of sunny weather in Papua New Guinea, distinct regional patterns emerge. In Enga, February presents a challenging time for sun-chasers, with only 1% chance of clear skies, highlighting the region's relatively overcast conditions during this month. Conversely, travelers in Central Province can look forward to a much brighter experience in November, where the probability of sunny weather soars to 46%. This stark difference underscores the diverse climatic influences across Papua New Guinea, inviting visitors to plan their trips with these seasonal trends in mind.
In Papua New Guinea, daylight hours exhibit a fascinating seasonal rhythm, particularly in Milne Bay. During June, the region enjoys about 11 hours of daylight, reflecting the natural ebb of light as the year progresses. In contrast, by December, this increases to approximately 12 hours, marking the peak of daylight in the southern hemisphere summer. This gradual shift not only shapes the local lifestyle and activities but also highlights the vibrant interplay between the region's climate and its natural environment. Visitors can revel in the extended daylight of December, maximizing their exploration of the stunning landscapes and rich culture that Papua New Guinea has to offer.
Bougainville, Papua New Guinea, boasts a tropical climate characterized by warm temperatures and significant rainfall throughout the year. With averages hovering around 26°C (79°F), the island experiences maximum temperatures reaching up to 31°C (88°F), particularly from January to March and again in December. Rainfall peaks during the heavy months of March (364 mm) and August (377 mm), while humidity levels often soar, especially in July and August, averaging around 85%. This lush environment supports vibrant ecosystems, making it a truly enchanting destination. For more detailed insights, explore the full information on Bougainville climate.
The climate in Central Province, Papua New Guinea is characterized by a tropical warmth and consistent humidity, creating a lush and vibrant environment. Average temperatures hover around 26-27°C (79-81°F) year-round, with highs peaking at 34°C (93°F) in January and November. Rainfall is abundant, particularly from January to March, contributing to an average annual precipitation of over 2,500 mm (98 in). The humidity levels, frequently reaching up to 88%, enhance the tropical feel, especially during the wetter months. For a deeper dive into the seasonal nuances, explore the detailed Central Province climate.
The climate in Chimbu, Papua New Guinea, offers a unique blend of cool temperatures and high humidity throughout the year. With average monthly temperatures hovering around 16°C (61°F), it remains comfortably mild, peaking at 25°C (77°F) in March. Rainfall is significant, particularly in March, when 711 mm (28.0 in) of precipitation transforms the lush landscape, making it a vibrant paradise. Humidity levels are consistently high, reaching up to 91%, particularly during the first half of the year, which enhances the tropical feel of the region. Experience this captivating climate firsthand by exploring more about the area at Chimbu climate.
East New Britain, Papua New Guinea, boasts a tropical climate characterized by a consistent warmth that sees temperatures ranging from a mild 25°C (78°F) at night to a balmy 30°C (86°F) during the day throughout the year. While the average temperature hovers around 27°C (81°F), it's the high humidity—peaking at 89% in August—and substantial rainfall, especially from March's 407 mm (16.0 in) to February's 299 mm (11.8 in), that creates a lush and vibrant environment. The monsoon season brings heavy showers, particularly in early months, while drier conditions emerge mid-year. For a deeper dive into this tropical haven, explore the details on East New Britain climate.
Nestled in the lush landscapes of Papua New Guinea, East Sepik boasts a tropical climate characterized by warm temperatures year-round. With average conditions lingering around 27°C (81°F), residents and visitors experience rich fluctuations from 22°C (72°F) nights to dazzling highs of 36°C (97°F) in peak months. Rainfall is a notable feature, especially from January to March, where precipitation can exceed 370 mm (14.6 in), contributing to the region's verdant beauty. Humidity remains consistently high, often hovering around 85%, enhancing the tropical ambiance and promoting a thriving ecosystem. For a deeper dive into this vibrant climate, explore the detailed insights on the East Sepik climate.
The Eastern Highlands of Papua New Guinea experiences a mild and humid climate year-round, with temperatures averaging around 19°C (67°F). From January to March, lush landscapes flourish under substantial rainfall, peaking at 482 mm (19.0 in) in March, while humidity often reaches a high 90%. As the year progresses, cooler months from June to September bring a slight dip in temperatures to as low as 12°C (54°F) and reduced rainfall, offering a refreshing respite. The region features distinct wet and dry seasons, where even the drier months maintain some humidity, making it an evergreen paradise. For more details, explore the Eastern Highlands climate.
Enga, Papua New Guinea, experiences a cool, temperate climate characterized by mild temperatures and significant rainfall throughout the year. From January to April, average daytime temperatures hover around 16°C (60°F), while the rainy season peaks in March with a substantial 509 mm (20.0 in) of precipitation. As the year progresses, temperatures remain relatively stable, with a slight dip in November when the minimum temperature can drop to 3°C (38°F). Humidity stays high, averaging between 85% to 90%, contributing to the lush, verdant landscapes of the region. Discover more about the distinct climate conditions in Enga by visiting Enga climate.
The climate in Gulf, Papua New Guinea is characterized by a tropical feel, with temperatures averaging around 28°C (82°F) year-round. The region experiences its warmest months in February and December, where highs can reach up to 32°C (89°F). Rainfall is significant, peaking in April with an impressive 373 mm (14.7 in), contributing to the area's high humidity levels that hover between 83% to 88%. Visitors can expect lush landscapes and vibrant ecosystems, making it a paradise for nature lovers. For more details, explore the full Gulf climate.
Nestled in the highlands of Papua New Guinea, Hela experiences a temperate climate characterized by mild temperatures year-round. With daily averages hovering around 15°C (60°F), residents enjoy relatively cool conditions; January and March see highs of about 24°C (75°F), while lows can dip to 7°C (45°F) in June. This region is also known for its significant precipitation, particularly from March to October, with September often experiencing the heaviest rainfall at 481 mm (18.9 in). The humidity remains notably high, typically around 89%, contributing to the lush landscapes that define Hela's natural beauty. For a deeper dive into the weather patterns, check the detailed Hela climate.
Jiwaka, Papua New Guinea, boasts a mild climate characterized by consistently cool temperatures year-round. With average highs around 25°C (77°F) in the warmest months and lows dipping to 8°C (46°F) during the cooler season, the region offers a refreshing escape. However, be prepared for significant precipitation, particularly from March to November, when rainfall can exceed 700 mm monthly, often paired with high humidity levels around 90%. This lush environment is perfect for thriving vegetation, making Jiwaka not just a place to visit, but an experience to immerse yourself in. For more details, check the Jiwaka climate.
Madang, Papua New Guinea, boasts a tropical climate characterized by warm temperatures and high humidity year-round. With average highs around 32°C (90°F) and lush, green landscapes nourished by significant rainfall, the region experiences its wettest months from February to April, when precipitation can exceed 500 mm (19.7 in). The humidity stays consistently high, typically hovering around 82%, adding to the intimate embrace of the tropical atmosphere. Visitors can expect a vibrant environment with temperatures remaining pleasantly warm, making it ideal for exploring the rich natural beauty of the area. For a detailed look at the yearly weather patterns, visit Madang climate.
Nestled in the tropical embrace of Papua New Guinea, Manus experiences a warm and humid climate year-round. Average temperatures hover between 27°C (81°F) and 30°C (86°F), creating an inviting atmosphere for visitors. However, prepare for significant rainfall, particularly peaking in July with 426 mm (16.8 in) of precipitation, as the island is known for its lush greenery. Humidity levels typically range from 74% to 82%, contributing to the area’s vibrant ecosystem. To learn more about the region's climate, visit Manus climate.
Nestled in the tropical heart of Papua New Guinea, Milne Bay boasts a warm and humid climate year-round, with temperatures generally ranging from a comfortable 21°C to 34°C (70°F to 94°F). This region experiences a pronounced wet season from January to March, peaking in March with an impressive 319 mm (12.6 in) of rain, while humidity levels hover around 80-85%. The drier months, particularly July and August, provide a slight reprieve with cooler temperatures and less precipitation, yet the lush environment remains inviting. For those seeking an exotic getaway, Milne Bay’s climate is as vibrant as its stunning landscapes. Discover more about the region's weather patterns at Milne Bay climate.
Nestled in the heart of Papua New Guinea, Morobe boasts a tropical climate characterized by mild temperatures and significant rainfall throughout the year. With average highs reaching up to 32°C (89°F) in the warmer months of January and February, the region is sure to delight those who love warmth. However, it also experiences heavy rain, particularly in March, when precipitation can reach 617 mm (24.3 in), contributing to a lush, verdant landscape. Humidity hovers around a steamy 87-90%, making every day feel like a tropical adventure. For a deeper dive into this captivating climate, check out Morobe climate.
In the National Capital of Papua New Guinea, temperatures remain warm throughout the year, with averages hovering around 27°C (81°F) and maximums reaching up to 33°C (91°F) in the hottest months of January, February, and November. This tropical climate is accompanied by a notably high humidity level, peaking at 88% from May to July. Rainfall varies significantly, with the wettest months being March and January, where precipitation can exceed 300 mm (12.1 in). As the year progresses, drier months emerge, particularly from June to August, making it a great time to explore outdoor adventures. To learn more about the region's climate, visit National Capital climate.
New Ireland boasts a tropical climate characterized by warm temperatures and significant rainfall throughout the year. With average temperatures hovering around 28°C (82°F), the island enjoys a consistently pleasant atmosphere, although the wettest months typically arrive between March and July, where rainfall can reach up to 456 mm (17.9 in) in July alone. Humidity levels are generally high, peaking in August and September at around 81%, creating a lush, tropical environment perfect for diverse flora and fauna. As you explore this beautiful region, understanding its climate can enhance your experience, helping you prepare for those refreshing tropical showers. For more details about the weather patterns, visit New Ireland climate.
The climate in Northern Province, Papua New Guinea, is characterized by warm temperatures and high humidity throughout the year. January and February see the highest temperatures, often reaching up to 32°C (90°F), while cooler months like July and August average around 22°C (72°F). Precipitation is abundant, peaking in March with nearly 556 mm (21.9 in) of rainfall, creating a lush, verdant landscape. Expect generally high humidity levels, ranging from 81% to 88%, contributing to a tropical atmosphere. For a more detailed look into the weather patterns, visit Northern Province climate.
Nestled in the stunning landscapes of Papua New Guinea, Sandaun boasts a tropical climate characterized by warm temperatures year-round. With average temperatures hovering around 27°C (81°F), the region sees monthly highs between 32°C (90°F) and 34°C (93°F), creating an inviting environment for outdoor adventures. However, travelers should be prepared for considerable rainfall, particularly between February and April, where precipitation can reach up to 350 mm (13.8 in). The humidity tends to stay high, around 84-86%, adding to the lush, vibrant atmosphere that defines Sandaun. Discover more about this captivating climate by checking out Sandaun climate.
Nestled in the heart of Papua New Guinea, the Southern Highlands boast a cool, temperate climate that is characterized by moderate temperatures and significant rainfall throughout the year. With average monthly temperatures ranging from a comfortable 16°C to 17°C (61°F to 63°F), the region experiences its coolest months in July and August, where temperatures can dip to 9°C (49°F). On the precipitation front, the area is abundant in moisture, particularly from March to May, when rainfall often exceeds 600 mm (23.6 in) monthly, creating a lush, vibrant landscape. The consistent high humidity, typically around 90%, enhances the richness of the local flora and provides a unique experience for visitors. For more detailed information on the climate specifics, check out the full overview of Southern Highlands climate.
Nestled in the heart of Papua New Guinea, West New Britain boasts a tropical climate characterized by consistently warm temperatures and significant rainfall throughout the year. With average temperatures hovering around 27°C (81°F) and maximums reaching 32°C (89°F) in October, the region is perfect for those who love warmth. However, expect the humidity to rise, peaking at 87% in July and August, which, combined with monthly precipitation often exceeding 400 mm, results in a lush, vibrant landscape. This tropical paradise experiences its heaviest rains during the middle of the year, making it an ideal destination for adventurers who admire rainforests and rich biodiversity. For more details on the climatic conditions, visit West New Britain climate.
The Western Highlands of Papua New Guinea boasts a temperate climate characterized by mild temperatures and abundant rainfall. From January to April, the region experiences warm days peaking at around 27°C (80°F), with significant rainfall, particularly in March, where averages reach 548 mm (21.6 in). As the year progresses into the cooler months of June and July, temperatures dip to a refreshing 9°C (49°F) at night, providing a crisp backdrop to the lush greenery. Humidity remains consistently high, often reaching 89%, enveloping the highlands in a lush, vibrant atmosphere throughout the year. To learn more about the intricate climate patterns in this stunning region, explore the detailed Western Highlands climate.
The climate in Western Province, Papua New Guinea, offers a warm tropical experience year-round, with average temperatures hovering around 27°C (81°F). From January to April, conditions are notably humid, peaking in March with humidity levels reaching 86% and heightened rainfall, particularly in March and April, which see over 390 mm of precipitation. As the year progresses, temperatures remain steady while humidity slightly decreases, providing a more comfortable atmosphere in the cooler months of June and July. Despite the lush environment fueled by frequent rains, the region also enjoys dry spells in August and September, making it a unique destination for nature lovers. Discover more about the region's unique weather patterns at Western Province climate.
The climate of Papua New Guinea is characterized by considerable variability, showcasing both extremes and a rich tapestry of weather patterns. Temperature ranges significantly, with a chilly minimum of 3°C (38°F) recorded in November in Enga, escalating to a sweltering maximum of 38°C (101°F) in December in Western Province. When it comes to precipitation, monthly totals fluctuate dramatically, as seen with a low of 45 mm (1.8 in) in July in National Capital, contrasted by a peak of 772 mm (30.4 in) in March in Jiwaka. Humidity further compounds these dynamics, with averages ranging from 73% in May in New Ireland to an impressive 91% in June in Southern Highlands. These trends reveal a complex climate system, heavily influenced by geographic diversity, which greatly impacts both local ecosystems and human activities across this vibrant nation.