Last updated: August 31, 2025
In May, Mount Hagen, Papua New Guinea experiences mild temperatures with a maximum of 25°C (78°F) and an average of 18°C (64°F), while nighttime dips to a minimum of 11°C (52°F). This month is characterized by significant rainfall, accumulating 287 mm (11.3 in) over 25 days, resulting in a lush, vibrant landscape. With humidity levels averaging 88%, visitors can expect a slightly damp but refreshing atmosphere, making it an ideal time for exploring the region's stunning natural beauty and rich cultural heritage.
In May, Mount Hagen, Papua New Guinea experiences mild and consistent temperatures that reflect the region's tropical highland climate. The minimum temperature hovers around 11°C (52°F), providing a comfortably cool start to the day, while the average temperature remains steady at 18°C (64°F), ideal for exploring the lush landscapes. Daytime highs reach up to 25°C (78°F), making it pleasantly warm without becoming oppressively hot. This trend of stable, moderate temperatures continues from April, emphasizing a transitional period before the cooler months of June and July. With such pleasant conditions, May is a fantastic time to visit, allowing for both adventure and relaxation in this enchanting region.
In May, Mount Hagen experiences a notable dip in precipitation, with 287 mm (11.3 in) of rain spread over 25 days. This decrease marks a significant reduction from the preceding months, where rainfall consistently exceeded 500 mm, peaking at 548 mm (21.6 in) in March. This trend suggests a transition towards the drier months ahead, as June further reduces rainfall to just 197 mm (7.8 in). Despite the drop, May still offers a lush, green landscape characteristic of Papua New Guinea’s highlands, supported by its persistent rainy reputation. As the region shifts into the subsequent months, the patterns hint at a seasonal rhythm that shapes the vibrant ecology and agriculture of the area.
In May, Mount Hagen experiences a slight dip in humidity, with levels at 88%, just a notch below the consistent 89% seen in the previous four months. This minor decrease signals the beginning of a gradual transition as the wet season approaches its peak later in the year. Following May, humidity continues to stabilize around 88% into June before descending to 86% in the colder months of July and August. Interestingly, as the year draws to a close, humidity levels rise again, reaching a notable 90% in November, which highlights the cyclical nature of Mount Hagen's humid climate. This consistent pattern underscores both the high moisture content in the air and the lush, vibrant landscapes that characterize this unique region of Papua New Guinea.
In May, Mount Hagen, Papua New Guinea, continues to experience an extreme UV Index of 14, with a burn time of just 10 minutes. This marks a slight decrease from the highs of January through April, where readings reached as much as 18. Despite this dip, the ongoing extreme exposure category underscores the necessity for sun safety measures. Notably, the UV Index in Mount Hagen maintains consistently high levels throughout the year, with only minor fluctuations, indicating that residents and visitors alike should remain vigilant against harmful sun exposure. For further details, check the Mount Hagen UV Index.
UV Risk Categories
As May unfolds in Mount Hagen, Papua New Guinea, residents and visitors alike revel in the radiant sunshine, basking in an impressive 236 hours of sunlight— one of the year's brightest months. This increase follows a steady rise from the earlier months, showcasing a trend of longer days that peaks in the subsequent months of June and July, which each register over 240 hours. With each passing month from January's comparatively shy 177 hours, the burgeoning daylight offers a warm invitation to explore the vibrant landscapes and rich culture unique to this region. As the sun shines brighter, it not only brings warmth but also a renewed energy to the lively community and the breathtaking surroundings of Mount Hagen.
As spring transitions to early summer in Mount Hagen, Papua New Guinea, May brings a slight increase in the likelihood of sunny weather, with a 8% chance of sunshine. This marks a notable rise compared to the preceding months, which are characterized by their low percentages; for instance, January and February see a mere 4% and 2% chance of sunny days, respectively. April hints at the forthcoming shift with a 7% likelihood, paving the way for a more radiant May. Following the month of May, the chance of sunshine spikes significantly, reaching 26% in June, showcasing a clear upward trend as the region moves into the wetter months. Hence, while May may not offer a guaranteed sun-soaked escape, it signals the start of brighter days ahead.
In Mount Hagen, Papua New Guinea, the rhythm of daylight reflects a gentle ebb and flow throughout the year. From January to April, residents enjoy a consistent 12 hours of daylight, providing ample opportunities for outdoor activities and community gatherings. As May arrives, daylight begins to taper off, settling at 11 hours and maintaining this shorter duration through August. However, as the year progresses into September, daylight returns to the balanced 12 hours, ushering in the warmer months and marking a seasonal shift. This cyclical pattern highlights the region's stability in daylight duration, offering a comforting predictability amid the vibrant changes of nature.
In May, Mount Hagen experiences a gentle breeze with an average wind speed of 1.0 m/s (2 mph), mirroring the calm that characterizes the early months of the year. This slight dip in wind speed compared to April's 1.2 m/s underscores a broader trend of mild air currents prevalent from January to June, where the wind remains consistently soft and unintrusive. As the year progresses, a gradual increase in wind speeds is noted from July to November, where conditions become slightly breezier, particularly during the latter months, reaching 1.2 m/s (3 mph). This seasonal transition not only highlights Mount Hagen's temperate climate but also offers a serene backdrop to its lush landscapes, ideal for both relaxation and exploration.
Weather in Mount Hagen varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mount Hagen, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, both months exhibit similar average temperatures, with May showing a minimum of 11°C (52°F), an average of 18°C (64°F), and a maximum of 25°C (78°F), while January has slightly lower minimums at 10°C (51°F) and a higher maximum at 27°C (80°F). However, January experiences significantly higher precipitation, totaling 485 mm (19.1 in) over 23 days, in contrast to May's 287 mm (11.3 in) over 25 days, making January a notably wetter month. Additionally, humidity levels remain quite high in both months, with May at 88% and January just slightly higher at 89%. For more detailed information on January weather, you can refer to Mount Hagen weather in January.
When comparing the weather in May and February, both months have similar minimum and average temperatures, with May slightly cooler as the max temperature averages at 25°C (78°F) compared to 26°C (79°F) in February. However, February sees significantly higher precipitation levels, with a total of 528 mm (20.8 in) over 27 days, compared to May's 287 mm (11.3 in) over 25 days. Humidity levels remain comparable, with May at 88% and February slightly higher at 89%. For more details, you can check Mount Hagen weather in February.
In comparing the weather of May and March, both months exhibit similar temperature ranges, with minimums around 11°C (52°F) and maximums peaking at 25°C (78°F). However, March tends to be wetter, receiving significantly more precipitation at 548 mm (21.6 in) across 30 days, compared to May's 287 mm (11.3 in) over 25 days. The humidity in both months remains high, with March slightly higher at 89% compared to May's 88%. For more detailed insights on March weather, you can check Mount Hagen weather in March.
In comparing the weather between April and May, both months feature similar low (11°C/52°F) and high (25°C/78°F) temperatures, with an average of 18°C (64°F). However, May experiences significantly less precipitation, with 287 mm (11.3 in) over 25 days, compared to April's 515 mm (20.3 in) over 28 days. Additionally, humidity remains relatively consistent, with May at 88% and April slightly higher at 89%. For more detailed information on April's weather, you can visit Mount Hagen weather in April.
May and June exhibit similar humidity levels at 88%, but their temperatures and precipitation vary noticeably. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 25°C (78°F), with an average of 18°C (64°F). In contrast, June sees slightly cooler temperatures, with a minimum of 9°C (49°F), an average of 17°C (63°F), and a maximum of 24°C (75°F). Additionally, May experiences significantly higher precipitation at 287 mm (11.3 in) over 25 days, compared to June's 197 mm (7.8 in) over the same number of days. For more specific details on June weather, you can check Mount Hagen weather in June.
In May, the weather is generally warmer with an average temperature of 18°C (64°F), peaking at 25°C (78°F), while July sees slightly cooler temperatures, averaging 17°C (63°F) with a maximum of 24°C (76°F). Both months experience significant rainfall, but May is rainier, collecting 287 mm (11.3 in) over 25 days compared to July's 213 mm (8.4 in) over 26 days. Humidity levels are also quite high in both months, with May at 88% and July slightly lower at 86%. For a detailed look at the weather conditions during July, you can refer to Mount Hagen weather in July.
May and August in Mount Hagen present a transition in weather patterns. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 25°C (78°F), with an average temperature of 18°C (64°F). The month is notably wetter, with 287 mm (11.3 in) of precipitation over 25 days and humidity levels reaching 88%. In contrast, August sees slightly cooler temperatures, with a minimum of 11°C (51°F), an average of 17°C (63°F), and a maximum of 24°C (76°F). Precipitation decreases to 200 mm (7.9 in) spread over 26 days, and humidity is slightly lower at 86%. For more details, you can check out Mount Hagen weather in August.
In comparing the weather between May and September, we can observe some similarities and differences. Both months experience a maximum temperature of around 25°C (77-78°F), but May tends to be slightly warmer overall, with an average temperature of 18°C (64°F) compared to September's 17°C (63°F). Precipitation levels are also noteworthy, as May sees more rainfall with 287 mm (11.3 in) across 25 days, while September has a bit less, with 256 mm (10.1 in) over 24 days. Additionally, humidity remains high in both months, with May at 88% and September slightly lower at 85%. Overall, while both months are quite similar in temperature and conditions, May is characterized by slightly wetter weather. For more detailed information about September weather, visit Mount Hagen weather in September.
May and October present similar temperature ranges, with both months experiencing minimum temperatures around 11°C (52°F) and maximums peaking at 25°C (78°F). However, the average temperature in May is slightly higher at 18°C (64°F) compared to October's 17°C (64°F). When it comes to precipitation, October sees an increase, with 340 mm (13.4 in) of rainfall over 27 days, compared to May's 287 mm (11.3 in) spread over 25 days. Humidity levels are quite comparable, with May at 88% and October slightly lower at 86%. For more detailed information, you can check Mount Hagen weather in October.
May and November exhibit similar average temperatures, both hovering around 18°C (64°F), but November is slightly cooler with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), compared to May's range of 11°C (52°F) to 25°C (78°F). Precipitation levels in November are notably higher, with 388 mm (15.3 in) of rain spread over 27 days, whereas May experiences 287 mm (11.3 in) across 25 days. Additionally, November's humidity peaks at 90%, slightly above May's 88%. For a detailed look at November weather in a specific location, refer to Mount Hagen weather in November.
In comparing the weather between May and December, we observe some notable similarities and differences. Both months exhibit a humid climate with humidity levels consistently around 88%. The temperatures are also comparable; May sees minimum temperatures around 11°C (52°F) and max temperatures reaching 25°C (78°F), while December has slightly warmer temperatures with a minimum of 12°C (53°F) and a maximum of 26°C (80°F). However, December experiences significantly more rainfall, with 468 mm (18.4 in) over 29 days compared to May's 287 mm (11.3 in) over 25 days. For a more detailed look at December conditions, you can check out Mount Hagen weather in December.
In May, Mount Hagen experiences a notable shift in weather compared to other months, marked by higher humidity levels that hover around 88%, contributing to a lush and vibrant atmosphere. With temperatures averaging a comfortable 18°C and maximums reaching up to 25°C, the warmth is balanced by cooler evenings that drop to 11°C. However, this month also brings significant precipitation, totaling 287 mm across approximately 25 days, making it one of the wetter times of the year. Visitors can expect a delightful blend of mild temperatures and frequent rain showers, creating an ideal setting for exploring the region’s stunning landscapes and rich biodiversity. For more detailed insights on the weather patterns in this unique location, visit Mount Hagen Climate.