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Monthly climate in Aitape, Papua New Guinea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Aitape features a tropical rainforest climate (Af). Temperatures typically range between 26 °C (79 °F) and 27 °C (81 °F) through the year, but rarely can drop to 22 °C (72 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 3368 mm (132.6 inches) and receives 327 rainy days on the 1 mm (0.04 inches) threshold annually. Aitape enjoys an average of 3159 hours of sunshine throughout the year, and daylight varies from 11 hours 56 minutes to 12 hours 17 minutes per day.

Monthly average temperatures in Aitape, Papua New Guinea

The warmest months in Aitape are January, October and December, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 26 to 26 °C (79 - 80 °F) throughout the day. On average each year, Aitape experiences 329 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 Aitape. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		33°C
(92°F)		33°C
(92°F)		33°C
(91°F)		33°C
(92°F)		32°C
(91°F)		32°C
(90°F)		32°C
(91°F)		32°C
(90°F)		33°C
(92°F)		33°C
(92°F)		34°C
(93°F)
Mean maximum33°C
(91°F)		33°C
(91°F)		33°C
(91°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		32°C
(91°F)		33°C
(91°F)		33°C
(92°F)
Average high31°C
(88°F)		30°C
(87°F)		30°C
(87°F)		30°C
(87°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		31°C
(87°F)		31°C
(88°F)
Daily mean27°C
(81°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		26°C
(80°F)		27°C
(80°F)		27°C
(80°F)		27°C
(81°F)
Average low24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		23°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)
Mean minimum23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)
Minimum23°C
(74°F)		22°C
(73°F)		23°C
(73°F)		22°C
(72°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)

Compare climate in Aitape with other places

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

Monthly average precipitation in Aitape, Papua New Guinea

Aitape usually has the most precipitation in May, July and November, with an average of 27 rainy days and 315 mm (12.4 inches) of precipitation per month. The driest months in Aitape are January, February and December. On average, 234 mm (9.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Aitape. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)187 (7.4)255 (10.0)292 (11.5)290 (11.4)303 (11.9)275 (10.8)337 (13.3)301 (11.8)264 (10.4)299 (11.8)304 (12.0)260 (10.3)
Average precipitation days (≥ 1 mm)222529282929272827272729

Monthly sunshine hours in Aitape, Papua New Guinea

The sunniest months in Aitape are August, September and October, when the sun shines an average of 9 hours 19 minutes a day. Least sunny months in Aitape: January, February and November receive an average of 7 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Aitape. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours230238259250275263265289279288250268
Mean daily daylight hours12h 15m12h 11m12h 6m12h 1m11h 57m11h 56m11h 56m11h 59m12h 4m12h 9m12h 14m12h 17m

Solar UV radiation in Aitape, Papua New Guinea

Aitape experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 17, which corresponds to the Extreme category of sun exposure. June, July and August are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Aitape UV Index data.

Average daily maximum UV levels by month for Aitape. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151717161412121315151414