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Monthly climate in Mendi, Papua New Guinea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mendi features a tropical rainforest climate (Af). Temperatures typically range between 16 °C (61 °F) and 17 °C (63 °F) through the year, but rarely can drop to 10 °C (50 °F) or can rise to as high as 26 °C (79 °F). The average annual precipitation amounts to about 6491 mm (255.6 inches) and receives 348 rainy days on the 1 mm (0.04 inches) threshold annually. Mendi enjoys an average of 2562 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Mendi, Papua New Guinea

The warmest months in Mendi are January, May and December, with daily mean temperatures ranging from 17 to 17 °C (63 - 63 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 16 to 16 °C (61 - 62 °F) throughout the day. On average each year, Mendi experiences 1 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 Mendi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(76°F)		24°C
(75°F)		23°C
(74°F)		24°C
(76°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		26°C
(79°F)
Mean maximum24°C
(76°F)		24°C
(76°F)		25°C
(76°F)		24°C
(75°F)		24°C
(75°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)
Average high22°C
(72°F)		22°C
(71°F)		22°C
(71°F)		22°C
(71°F)		22°C
(71°F)		20°C
(69°F)		20°C
(68°F)		20°C
(69°F)		21°C
(69°F)		21°C
(71°F)		22°C
(72°F)		22°C
(72°F)
Daily mean17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		16°C
(62°F)		16°C
(61°F)		16°C
(61°F)		16°C
(62°F)		17°C
(62°F)		17°C
(63°F)		17°C
(63°F)
Average low14°C
(57°F)		14°C
(57°F)		14°C
(57°F)		14°C
(57°F)		14°C
(57°F)		13°C
(57°F)		13°C
(56°F)		13°C
(56°F)		13°C
(57°F)		13°C
(56°F)		13°C
(56°F)		14°C
(57°F)
Mean minimum12°C
(53°F)		11°C
(52°F)		12°C
(53°F)		12°C
(53°F)		12°C
(53°F)		12°C
(53°F)		11°C
(52°F)		11°C
(53°F)		11°C
(51°F)		11°C
(53°F)		11°C
(52°F)		12°C
(53°F)
Minimum11°C
(52°F)		11°C
(52°F)		10°C
(51°F)		11°C
(51°F)		11°C
(52°F)		10°C
(50°F)		10°C
(50°F)		10°C
(51°F)		10°C
(50°F)		11°C
(52°F)		10°C
(50°F)		11°C
(52°F)

Compare climate in Mendi with other places

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

Monthly average precipitation in Mendi, Papua New Guinea

Mendi usually has the most precipitation in May, September and October, with an average of 30 rainy days and 671 mm (26.4 inches) of precipitation per month. The driest months in Mendi are February, July and December. On average, 408 mm (16.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mendi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)509 (20.1)345 (13.6)587 (23.1)634 (25.0)676 (26.6)505 (19.9)449 (17.7)538 (21.2)684 (26.9)654 (25.8)481 (18.9)429 (16.9)
Average precipitation days (≥ 1 mm)252730293130303029302829

Monthly sunshine hours in Mendi, Papua New Guinea

The sunniest months in Mendi are July, October and December, when the sun shines an average of 7 hours 19 minutes a day. Least sunny months in Mendi: January, March and April receive an average of 6 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mendi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours187208204202220219222220204223212234
Mean daily daylight hours12h 25m12h 17m12h 7m11h 57m11h 49m11h 45m11h 47m11h 54m12h 3m12h 13m12h 22m12h 27m

Solar UV radiation in Mendi, Papua New Guinea

Mendi 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 Mendi UV Index data.

Average daily maximum UV levels by month for Mendi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161818171412121416161616