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Monthly climate in Mount Hagen, Papua New Guinea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mount Hagen features a tropical rainforest climate (Af). Temperatures typically range between 17 °C (63 °F) and 18 °C (65 °F) through the year, but rarely can drop to 9 °C (49 °F) or can rise to as high as 27 °C (80 °F). The average annual precipitation amounts to about 4426 mm (174.3 inches) and receives 317 rainy days on the 1 mm (0.04 inches) threshold annually. Mount Hagen enjoys an average of 2636 hours of sunshine throughout the year, and daylight varies from 11 hours 47 minutes to 12 hours 26 minutes per day.

Monthly average temperatures in Mount Hagen, Papua New Guinea

The warmest months in Mount Hagen are January, February and December, with daily mean temperatures ranging from 18 to 18 °C (65 - 65 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 17 to 17 °C (63 - 63 °F) throughout the day. On average each year, Mount Hagen experiences 8 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mount Hagen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(80°F)		26°C
(79°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		26°C
(79°F)		26°C
(80°F)
Mean maximum25°C
(78°F)		25°C
(78°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		23°C
(73°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		25°C
(78°F)		26°C
(78°F)
Average high23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		22°C
(71°F)		22°C
(71°F)		22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)
Daily mean18°C
(65°F)		18°C
(65°F)		18°C
(64°F)		18°C
(64°F)		18°C
(64°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(64°F)		18°C
(64°F)		18°C
(65°F)
Average low15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		15°C
(58°F)		14°C
(58°F)		14°C
(57°F)		13°C
(56°F)		14°C
(57°F)		14°C
(57°F)		14°C
(57°F)		14°C
(58°F)		15°C
(59°F)
Mean minimum12°C
(54°F)		13°C
(55°F)		12°C
(54°F)		12°C
(55°F)		12°C
(53°F)		11°C
(53°F)		11°C
(51°F)		12°C
(53°F)		11°C
(52°F)		12°C
(53°F)		11°C
(53°F)		12°C
(54°F)
Minimum10°C
(51°F)		11°C
(53°F)		11°C
(52°F)		11°C
(53°F)		11°C
(52°F)		9°C
(49°F)		9°C
(49°F)		11°C
(51°F)		10°C
(51°F)		11°C
(52°F)		10°C
(50°F)		12°C
(53°F)

Compare climate in Mount Hagen with other places

Compare temperature, precipitation, sunshine, UV index in Mount Hagen, Papua New Guinea with other places around the world.

Monthly average precipitation in Mount Hagen, Papua New Guinea

Mount Hagen usually has the most precipitation in February, March and April, with an average of 28 rainy days and 530 mm (20.9 inches) of precipitation per month. The driest months in Mount Hagen are June, July and August. On average, 203 mm (8.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mount Hagen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)485 (19.1)528 (20.8)548 (21.6)515 (20.3)287 (11.3)197 (7.8)213 (8.4)200 (7.9)256 (10.1)340 (13.4)388 (15.3)468 (18.4)
Average precipitation days (≥ 1 mm)232730282525262624272729

Monthly sunshine hours in Mount Hagen, Papua New Guinea

The sunniest months in Mount Hagen are July, August and October, when the sun shines an average of 8 hours 5 minutes a day. Least sunny months in Mount Hagen: January, February and March receive an average of 5 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mount Hagen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours177181182195236239251258237242211220
Mean daily daylight hours12h 24m12h 16m12h 7m11h 57m11h 50m11h 47m11h 48m11h 54m12h 3m12h 13m12h 21m12h 26m

Solar UV radiation in Mount Hagen, Papua New Guinea

Mount Hagen experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 17 - 18, which corresponds to the Extreme category of sun exposure. May, June and July are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 14. For more detailed information, check out our hourly Mount Hagen UV Index data.

Average daily maximum UV levels by month for Mount Hagen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161718171412131416161516