Last updated: April 14, 2025
The climate of the Solomon Islands is characterized by a tropical maritime climate, featuring warm temperatures and high humidity year-round. In Guadalcanal, temperatures range from a comfortable minimum of 21°C (71°F) in August to a maximum of 32°C (89°F) in January. The islands experience significant rainfall, with Honiara recording a minimum of 212 mm (8.4 in) in June and Guadalcanal witnessing peak precipitation of 705 mm (27.7 in) in March. Humidity levels are notably high, averaging a minimum of 75% in May and reaching up to 85% in August in Choiseul. This unique climatic profile influences the diverse ecosystems and lifestyles of the Solomon Islands, making it a fascinating region for both study and exploration.
The Solomon Islands exhibit a tropical rainforest climate across all regions, classified as Af in the Köppen-Geiger climate system. From the lush landscapes of the Central Province to the vibrant ecosystems in Choiseul and Guadalcanal, the islands are characterized by consistent high temperatures and abundant rainfall year-round. Key cities like Honiara and regions such as Isabel and Makira enjoy a rich variety of flora and fauna fostered by this humid, lively climate. Similarly, the remote islands of Malaita, Temotu, and the scenic Western Province benefit from this delightful weather pattern, making the Solomon Islands a true paradise for nature enthusiasts.
| Climate Zone | Description |
|---|---|
| Af | Tropical rainforest climate with no dry season and high temperatures year-round. |
The Solomon Islands enjoys a warm tropical climate, with temperatures showing a consistent pattern throughout the year. In January, the mercury starts off at a mild 22°C (73°F), peaking at 32°C (89°F) in Guadalcanal. As the months progress into February and March, the temperatures remain fairly stable, with minimal fluctuations in both minimums and maximums, mostly oscillating between 22°C (72°F) and 31°C (89°F). By the mid-year mark of June and August, a slight dip is noticed as the maximum temperatures hover around 30°C (87°F). Notably, from September through December, the temperatures maintain this comfortable range, with minimums consistently around 22°C (72°F) and maximums peaking again at 31°C (89°F), emphasizing the island’s reliably warm allure. Overall, the temperature throughout the year offers an inviting climate for visitors and residents alike, accentuating the Solomon Islands as a tropical paradise.
The Solomon Islands experience notable variations in precipitation patterns throughout the year. Rainfall is heaviest during March, particularly in Guadalcanal, where it can reach a staggering 705 mm (27.7 in), marking it as the wettest month across the archipelago. Conversely, June sees the lowest precipitation, with Honiara receiving just 212 mm (8.4 in), highlighting a significant seasonal shift. Additionally, the number of rainy days fluctuates throughout the year; for instance, January records the fewest with only 22 days of rain in Central Province, while March stands out with a full 30 rainy days in Makira. These trends reflect the tropical climate's influence on the region, underscoring the importance of understanding local weather patterns for agriculture and daily life in the Solomon Islands.
In the Solomon Islands, notably in Choiseul, humidity levels exhibit a distinct pattern throughout the year. They start relatively low at a minimum of 75% in May, gradually climbing to a peak of 85% in August. This significant increase during the mid-year months underscores the tropical climate's influence, where warm air can hold more moisture, creating a humid environment. The consistent high humidity not only shapes the local ecosystem but also impacts daily life, as residents and visitors alike navigate the lush, tropical atmosphere.
In February, both Guadalcanal and Western Province in the Solomon Islands experience a strikingly high average daily maximum UV Index of 16. This consistency across the regions highlights a trend of intense UV radiation during this period, suggesting that locals and visitors alike should take precautions to protect themselves from harmful sun exposure. The elevated UV levels call for increased awareness and proactive measures, particularly as summer approaches and outdoor activities become more prevalent.
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The sunshine duration in the Solomon Islands exhibits fascinating variations across different months and locations. January shines brightly in Temotu, boasting 230 hours of sunshine, while Guadalcanal enjoys a more modest 201 hours in February. However, October emerges as the sunniest month, with Temotu leading the way at an impressive 299 hours, closely followed by Honiara, which records 279 hours. This trend highlights the increased sunshine in the latter part of the year, inviting both locals and visitors to bask in the radiant glow of the Samoan sun.
When examining the likelihood of sunny weather in the Solomon Islands, notable trends emerge across different regions and months. For instance, Malaita experiences a mere 3% chance of sunny conditions in February, highlighting that this period is predominantly wet. In contrast, Temotu sees a significant uptick in sunny days, boasting a 49% likelihood in September. This contrast suggests that while some areas are inundated with rain early in the year, others enjoy clearer skies as the seasons shift, making September a favorable time to seek sunshine in the archipelago.
In the Solomon Islands, daylight hours showcase a gradual shift throughout the year, particularly in Temotu. In June, residents enjoy about 11 hours of daylight, providing ample time for outdoor activities and community gatherings. As the year progresses into December, this increases to 12 hours of sunlight, heralding the festive season with a little extra light for celebration. This steady increase in daylight not only enriches the natural beauty of the islands but also enhances the cultural experiences, making each season uniquely vibrant. Whether it's the shorter days of mid-year or the longer days of summer, the ever-present sun remains a cherished aspect of life in Temotu.
Experience the tropical allure of Central Province, Solomon Islands, where temperatures maintain a warm embrace throughout the year, averaging between 27°C (81°F) and 28°C (82°F). While January and December see their share of rain with over 300 mm of precipitation, the months from June to August feature a drier spell, allowing for pleasant outdoor adventures. Expect humidity levels to hover around 76% to 84%, bringing a refreshing yet sticky warmth to the air. For those seeking an immersive experience in this lush paradise, understanding the local climate is essential—discover more about it at Central Province climate.
Nestled in the heart of the Solomon Islands, Choiseul boasts a tropical climate characterized by warm temperatures year-round, with averages lingering around 27°C (81°F) and highs reaching 30°C (86°F) in the summer months. While the humidity remains notably high, peaking in the cooler months of July and August at 83% to 85%, the lush landscapes thrive in this moisture-rich environment. Expect significant rainfall, especially from April to September, where monthly precipitation often exceeds 400 mm (15.7 in), making it the wettest period. Despite the rain, this vibrant region offers an enchanting climate that nurtures its stunning biodiversity. For more details, visit Choiseul climate.
Guadalcanal's climate is characterized by warm temperatures year-round, with averages hovering around 26°C (79°F) and maximums reaching up to 32°C (89°F). The region experiences a notable wet season, particularly from January to April, peaking in March with a staggering 705 mm (27.7 in) of rainfall, creating lush landscapes. Humidity levels tend to climb, especially in the latter half of the year, often exceeding 80% in July through October. Despite the moisture, the warm breezes maintain a tropical allure, making Guadalcanal a captivating destination for explorers. For more detailed insights, visit Guadalcanal climate.
Nestled in the breathtaking Solomon Islands, Honiara boasts a tropical climate characterized by warm temperatures year-round, typically hovering between 23°C to 29°C (73°F to 84°F). The town experiences significant rainfall, with the wettest months occurring from January to April, where precipitation can exceed 400mm (15.7in). Humidity levels are high, particularly from June to October, reaching up to 84%. Despite the lush greenery that thrives here, the warmth and rainfall create an inviting atmosphere ideal for exploring the beauty of Honiara. For a detailed look at the weather patterns, visit Honiara climate.
Isabel, located in the Solomon Islands, enjoys a tropical climate characterized by warm temperatures throughout the year. With average temperatures hovering around 27°C (81°F) and maximums reaching up to 32°C (89°F), the warmth is complemented by high humidity levels, particularly from June to October, where they peak at 83%. While the wet season from December to March sees significant rainfall—especially in December with 495 mm (19.5 in)—the rest of the year experiences lighter showers, making it an intriguing mix for nature lovers. For those interested in the intricate weather patterns of this beautiful island, more details can be found at Isabel climate.
Situated in the heart of the Pacific, Makira, Solomon Islands experiences a tropical climate characterized by warm temperatures and abundant rainfall throughout the year. With average temperatures hovering around 26°C (79°F), residents and visitors can expect highs of 31°C (88°F) in the peak months of January through March, while the rainfall peaks in December with 530 mm (20.9 in). Humidity is fairly consistent, often reaching up to 84% during the wetter months, adding to the lush, vibrant landscapes of the island. For those looking to explore, the climate in Makira offers a unique blend of warmth and verdancy, perfect for a tropical getaway. Discover more about the unique weather patterns in the region at Makira climate.
Nestled in the tropical embrace of the Solomon Islands, Malaita experiences a warm and humid climate throughout the year. Temperatures typically range from a pleasant 24°C (75°F) at night to a balmy 31°C (89°F) during the day, offering a consistent tropical feel. However, the rainy season from January to April can bring substantial precipitation, peaking in February with over 525 mm (20.7 in), while the humidity lingers around 76%-84%, contributing to the island's lush landscapes. As the year progresses, conditions tend to dry slightly, but the beauty of Malaita remains vibrant. For more insights, explore the complete Malaita climate.
Nestled in the enchanting Solomon Islands, Temotu boasts a tropical climate that offers warm temperatures year-round, with averages hovering around 27°C (81°F). Visitors can expect temperatures to range between a comfortable 25°C (78°F) and a balmy 30°C (86°F), making it perfect for beach enthusiasts. However, be prepared for high humidity—ranging from 76% to 84%—and consistent rainfall, particularly from February to April, when precipitation can reach upwards of 461 mm (18.2 in). With its lush landscapes and vibrant culture, Temotu remains a hidden gem waiting to be explored, despite its wet weather. For more details, check out Temotu climate.
The climate in Western Province, Solomon Islands is characterized by warm temperatures year-round, with average highs lingering around 27°C (81°F) and peaks of 30°C (85°F) during the hotter months. While humidity hovers between 76% and 84%, the lush surroundings thrive with a significant amount of rainfall; January and February are particularly wet, receiving over 400 mm (15.7 in) each month. The dry season arrives in October, offering slightly lower rainfall, yet the region maintains its tropical charm. To explore more about this region's climate, visit Western Province climate.
The climate of the Solomon Islands reveals a vibrant tapestry of tropical weather, characterized by warm temperatures and substantial rainfall throughout the year. In Guadalcanal, temperatures vary from a minimum of 21°C (71°F) in August to a balmy 32°C (89°F) in January, showcasing the islands' tropical allure. Precipitation patterns highlight a significant peak in March, with 705 mm (27.7 in) of rain, while June brings a relative respite with just 212 mm (8.4 in) in Honiara. Coupled with humidity levels ranging from 75% in May to a high of 85% in August in Choiseul, the islands experience a rich, humid environment that can sometimes be stifling. Overall, this climate supports lush biodiversity and vibrant ecosystems, underscoring the unique natural beauty and dynamic weather patterns that define the Solomon Islands.