Last updated: August 31, 2025
January in Mount Hagen, Papua New Guinea, presents a vibrant tapestry of weather characterized by its mild temperatures and considerable rainfall. With a maximum temperature reaching 27°C (80°F) and an average of 18°C (65°F), the climate offers a moderate warmth that is refreshing, while nighttime lows can dip to 10°C (51°F), perfect for cozy evenings. The month is marked by abundant precipitation, totaling 485 mm (19.1 in) over approximately 23 days, contributing to the area's lush landscapes. With humidity levels soaring at 89%, visitors can expect a distinctly tropical atmosphere throughout their stay, making January a unique experience in this beautiful highland region.
In January, Mount Hagen, Papua New Guinea, experiences a pleasant climate characterized by a minimum temperature of 10°C (51°F) and a comfortable average of 18°C (65°F), peaking at a warm 27°C (80°F). This month sets the tone for the year, with temperatures gradually rising towards February before seeing a slight decrease in March through May. While the average temperature remains stable at 18°C (65°F) from January through April, the maximum temperatures begin to drop slightly after January, varying between 25°C (77°F) and 26°C (79°F) in the subsequent months. Notably, the evenings maintain a cool ambiance, with minimum temperatures not straying far from the mid-teens, offering a refreshing respite from the daytime warmth. As the year progresses, temperatures dip gradually, with the coolest months arriving in June and July, where maxima hover around 24°C (75°F), exemplifying Mount Hagen's mild and inviting tropical highland climate.
In January, Mount Hagen experiences significant rainfall, with an impressive 485 mm (or 19.1 inches) of precipitation over the month. This deluge occurs across 23 days, setting the tone for a wet season as precipitation gradually increases into February and March, peaking at 548 mm (21.6 inches) in March. Notably, despite the heavy rains at the start of the year, there’s a marked decline in precipitation by May, where totals drop to 287 mm (11.3 inches) over 25 days. This trend of diminishing rainfall continues through the following months, reaching a low of 197 mm (7.8 inches) in June, before gradually rebounding in the latter part of the year. The fluctuations not only highlight the region's varied climatic patterns but also illustrate how the early months serve as a precursor to a relatively drier mid-year, ultimately setting the stage for a more balanced distribution of rainfall as the year progresses.
In January, Mount Hagen, Papua New Guinea, experiences a notably high humidity level of 89%, a trend that remarkably continues through February and March. This persistent moisture sets the tone for the early months of the year before a gradual decline begins in April, where humidity slightly dips to 88%. The atmosphere remains relatively humid through May and June, maintaining levels around 88%. As the year progresses, the humidity experiences a more pronounced decrease, with July and August recording 86%, followed by a slightly lower 85% in September. However, the humidity levels rise again in November, hitting 90%, before tapering off to 88% in December. Overall, January marks the start of a predominantly humid period that transitions toward a drier climate as the year unfolds.
In January, Mount Hagen experiences an intense UV Index of 16, categorizing it as extreme with a quick burn time of just 10 minutes. This month kicks off a series of high UV levels that peak in March with an index of 18, maintaining an extreme exposure level throughout the first quarter of the year. Following a slight decrease in May to an index of 14, the UV levels remain consistently demanding, hovering around 14 to 16 until the end of the year. As such, it’s crucial for residents and visitors alike to take precautions against sun exposure during these months. For more detailed information, check out the Mount Hagen UV Index.
UV Risk Categories
In January, Mount Hagen, Papua New Guinea, welcomes the year with a promising 177 hours of sunshine, laying the foundation for a gradual increase in brightness as the months progress. February sees a slight uptick to 181 hours, followed by a steady rise to 183 hours in March. As April approaches, the region basks in a notable 195 hours, hinting at the onset of a sunnier season. The sunshine peaks dramatically through the middle of the year, hitting 252 hours in July before reaching its zenith at 259 hours in August. This delightful trend maintains a high note until September, which still enjoys a robust 238 hours. As the year winds down, sunshine eases back to 212 hours in November and 221 hours in December, offering a warm farewell to the year. Overall, Mount Hagen's weather beautifully illustrates the vibrant ebb and flow of sunlight throughout the year, with its warmest months shining brightly in the heart of winter.
In Mount Hagen, Papua New Guinea, January presents a modest 4% chance of sunny weather, which is consistent with the generally overcast start to the year. Following this trend, February sees an even lower likelihood of sun at 2%, hinting at a typically wet season. As the months progress into April and May, the chances begin to rise, reaching 7% and 8% respectively, suggesting a gradual shift toward clearer skies. The weather becomes decidedly more favorable in the mid-year months, particularly June, which boasts a 26% chance of sunshine—the highest in the year. Overall, while January may not be the sunniest time in Mount Hagen, the upward trend leading into the heart of the year promises brighter days ahead.
In Mount Hagen, Papua New Guinea, January offers a consistent 12 hours of daylight, a pattern that continues through February and March. This steady duration hints at the region's relatively stable climate throughout the early part of the year. As April rolls in, daylight begins to shorten slightly to 11 hours, a trend that persists until August. Interestingly, as the year transitions into September, daylight reverts back to 12 hours, suggesting a harmonious cyclical rhythm in this equatorial locale. Overall, the daylight hours in Mount Hagen reflect a balance between extended periods of brightness and subtle seasonal shifts, ensuring a lively atmosphere year-round.
In January, Mount Hagen, Papua New Guinea, experiences a gentle breeze with an average wind speed of 1.2 m/s (3 mph), a trend that continues through the transitional month of April. This stability in wind patterns is notably tranquil, as the wind speeds remain consistent across subsequent months, fluctuating only slightly between 1.0 m/s (2 mph) and 1.2 m/s (3 mph). The lack of significant variability not only highlights the region's serene atmosphere but also suggests a comforting predictability to the climate, which could be ideal for both locals and visitors alike seeking to enjoy the lush landscapes undisturbed by harsh winds. As the year progresses into the drier months, December closes the year with a slight dip in wind speed, yielding the same calmness that characterizes the start of the year.
Weather in Mount Hagen varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mount Hagen, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit similar temperature ranges, with January showing a minimum of 10°C (51°F), an average of 18°C (65°F), and a maximum of 27°C (80°F), while February presents slightly higher minimums at 11°C (53°F) and a similar average of 18°C (65°F) and a maximum of 26°C (79°F). However, February experiences more precipitation with 528 mm (20.8 in) over 27 days compared to January's 485 mm (19.1 in) over 23 days, maintaining a consistent humidity of 89% throughout both months. This consistent pattern of wet weather highlights the need for preparation when exploring the region. For additional insights, check out Mount Hagen weather in February.
In January, temperatures in Mount Hagen range from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), with an average temperature of 18°C (65°F). The month experiences significant rainfall, totaling 485 mm (19.1 in) over 23 days, all while humidity remains high at 89%.
In March, the weather is slightly warmer, with a minimum temperature of 11°C (52°F) and a maximum of 25°C (77°F), maintaining an average of 18°C (64°F). However, precipitation increases to 548 mm (21.6 in) across 30 days, keeping humidity consistent at 89%. For a more detailed look, check out Mount Hagen weather in March.
In January, temperatures range from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). The month sees substantial rainfall, totaling 485 mm (19.1 in) across 23 days, while humidity remains consistently high at 89%. In comparison, April experiences slightly warmer temperatures, with a minimum of 11°C (53°F) and a maximum of 25°C (78°F), while maintaining a similar average of 18°C (64°F). Rainfall increases to 515 mm (20.3 in) over 28 days, with humidity still at 89%. For more detailed information, check out Mount Hagen weather in April.
In January, the weather is characterized by warmer temperatures, with a minimum of 10°C (51°F) and a maximum reaching 27°C (80°F). The month sees significant rainfall, accumulating 485 mm (19.1 in) over 23 days, and the humidity is relatively high at 89%. In contrast, May presents slightly cooler conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 25°C (78°F). While precipitation is also frequent, it totals 287 mm (11.3 in) over 25 days, accompanied by a slightly lower humidity level at 88%. For more specific information about the weather conditions in May, you can check Mount Hagen weather in May.
In January, the weather exhibits warmer temperatures with a minimum of 10°C (51°F), an average of 18°C (65°F), and a maximum of 27°C (80°F). It is also marked by significant rainfall, totaling 485 mm (19.1 in) over 23 days, contributing to high humidity levels of 89%. In contrast, June experiences 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). The precipitation decreases significantly to 197 mm (7.8 in) over 25 days, resulting in a marginally lower humidity of 88%. For a more detailed overview of June weather, please refer to Mount Hagen weather in June.
January and July present contrasting weather patterns. In January, temperatures range from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). This month is characterized by significant rainfall, accumulating 485 mm (19.1 in) over 23 days, coupled with high humidity at 89%. In contrast, July 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 (76°F). Rainfall in July is notably lower at 213 mm (8.4 in) across 26 days, and humidity remains relatively high at 86%. For a detailed view of July's weather, you can visit Mount Hagen weather in July.
In January, temperatures range from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). The month is quite wet, receiving 485 mm (19.1 in) of precipitation over 23 days, and humidity levels are high at 89%. In comparison, 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 drops significantly to 200 mm (7.9 in) over 26 days, accompanied by a marginally lower humidity of 86%. This comparison highlights the distinct shift in weather patterns between the two months, showcasing August's cooler and drier climate. For more details on the weather during this month, check out Mount Hagen weather in August.
January and September exhibit distinct weather patterns, marked by differences in temperature and precipitation. In January, temperatures range from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). This month also experiences considerable rainfall, totaling 485 mm (19.1 in) over 23 days and high humidity at 89%. Conversely, September sees slightly cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 25°C (77°F), and an average of 17°C (63°F). Precipitation decreases significantly to 256 mm (10.1 in) across 24 days, accompanied by a lower humidity of 85%. For more detailed information, you can check Mount Hagen weather in September.
January and October in Mount Hagen exhibit notable differences in weather patterns. In January, temperatures range from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), averaging around 18°C (65°F). This month is characterized by significant rainfall, totaling 485 mm (19.1 in) over 23 days, accompanied by high humidity levels of 89%. In contrast, October experiences slightly milder temperatures, with a minimum of 11°C (52°F) and a maximum of 25°C (77°F), averaging 17°C (64°F). The precipitation in October is less, at 340 mm (13.4 in), spread over 27 days, with humidity remaining relatively high at 86%. For a more detailed perspective on October weather, you can visit Mount Hagen weather in October.
In January, the weather features a temperature range from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). The month sees a significant amount of rainfall, totaling 485 mm (19.1 in) over 23 days, and humidity levels hovering around 89%. In contrast, November's temperatures are slightly lower, with a minimum of 10°C (50°F), an average of 18°C (64°F), and a maximum of 26°C (79°F). While November experiences less precipitation at 388 mm (15.3 in), it experiences rainfall over a slightly longer period, spanning 27 days. Overall, both months have similar temperature averages, but January tends to be wetter than November. For more details on the climate, you can check Mount Hagen weather in November.
January and December share similar average temperatures, both hovering around 18°C (65°F), but January typically experiences slightly warmer minimum and maximum temperatures, ranging from 10°C (51°F) to 27°C (80°F), compared to December's 12°C (53°F) to 26°C (80°F). Despite these minor temperature variations, rainfall is more prevalent in January, with 485 mm (19.1 in) of precipitation over 23 days, slightly exceeding December's 468 mm (18.4 in) over 29 days. Both months exhibit high humidity levels, but January holds a marginally higher average at 89%, compared to December's 88%. For a more detailed look at December's weather, you can check Mount Hagen weather in December.
In January, Mount Hagen experiences a distinct transition compared to other months, characterized by higher humidity levels and significant rainfall. With an average temperature of around 18°C and frequent precipitation over three weeks, the lush landscape thrives during this time. The cooler evenings and consistently wet days contribute to a unique atmosphere that sets January apart, inviting travelers to witness the vibrant beauty of the region. If you're curious about the broader patterns and climate variations throughout the year, check out Mount Hagen Climate for more insights!