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Monthly climate in Ialibu, Papua New Guinea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ialibu 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 8 °C (47 °F) or can rise to as high as 26 °C (79 °F). The average annual precipitation amounts to about 6239 mm (245.6 inches) and receives 344 rainy days on the 1 mm (0.04 inches) threshold annually. Ialibu enjoys an average of 2572 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 28 minutes per day.

Monthly average temperatures in Ialibu, Papua New Guinea

The warmest months in Ialibu are January, May and December, with daily mean temperatures ranging from 17 to 17 °C (62 - 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 - 61 °F) throughout the day. On average each year, Ialibu experiences 0 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 Ialibu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(78°F)		25°C
(77°F)		26°C
(79°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		24°C
(76°F)		25°C
(77°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)		22°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
(68°F)		20°C
(69°F)		21°C
(71°F)		22°C
(72°F)		22°C
(72°F)
Daily mean17°C
(63°F)		17°C
(62°F)		17°C
(62°F)		17°C
(62°F)		17°C
(62°F)		16°C
(61°F)		16°C
(61°F)		16°C
(61°F)		16°C
(61°F)		16°C
(62°F)		17°C
(62°F)		17°C
(62°F)
Average low13°C
(56°F)		13°C
(56°F)		13°C
(56°F)		13°C
(56°F)		14°C
(57°F)		13°C
(56°F)		13°C
(56°F)		13°C
(55°F)		13°C
(56°F)		13°C
(56°F)		13°C
(56°F)		13°C
(56°F)
Mean minimum11°C
(53°F)		11°C
(52°F)		11°C
(53°F)		11°C
(52°F)		11°C
(53°F)		11°C
(52°F)		10°C
(51°F)		11°C
(51°F)		10°C
(51°F)		10°C
(51°F)		10°C
(51°F)		11°C
(52°F)
Minimum11°C
(51°F)		10°C
(51°F)		10°C
(50°F)		10°C
(50°F)		10°C
(51°F)		9°C
(49°F)		9°C
(49°F)		10°C
(50°F)		9°C
(49°F)		10°C
(50°F)		8°C
(47°F)		10°C
(49°F)

Compare climate in Ialibu with other places

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

Monthly average precipitation in Ialibu, Papua New Guinea

Ialibu usually has the most precipitation in March, April and May, with an average of 30 rainy days and 667 mm (26.3 inches) of precipitation per month. The driest months in Ialibu are June, July and August. On average, 384 mm (15.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ialibu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)589 (23.2)456 (17.9)674 (26.5)680 (26.8)648 (25.5)419 (16.5)323 (12.7)409 (16.1)476 (18.7)621 (24.5)436 (17.2)508 (20.0)
Average precipitation days (≥ 1 mm)252730293129293029292729

Monthly sunshine hours in Ialibu, Papua New Guinea

The sunniest months in Ialibu are July, August and October, when the sun shines an average of 7 hours 22 minutes a day. Least sunny months in Ialibu: January, February and March receive an average of 6 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ialibu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours185199199200225224228228209229213227
Mean daily daylight hours12h 25m12h 17m12h 7m11h 56m11h 48m11h 45m11h 46m11h 53m12h 3m12h 13m12h 23m12h 28m

Solar UV radiation in Ialibu, Papua New Guinea

Ialibu 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 Ialibu UV Index data.

Average daily maximum UV levels by month for Ialibu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161818171412131516161616