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Monthly climate in Malinau, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Malinau 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 19 °C (67 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 3497 mm (137.7 inches) and receives 337 rainy days on the 1 mm (0.04 inches) threshold annually. Malinau enjoys an average of 3283 hours of sunshine throughout the year, and daylight varies from 11 hours 54 minutes to 12 hours 18 minutes per day.

Monthly average temperatures in Malinau, Indonesia

The warmest months in Malinau are April, May and October, with daily mean temperatures ranging from 27 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and July, when daily mean temperatures range from 26 to 26 °C (79 - 79 °F) throughout the day. On average each year, Malinau 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 Malinau. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		35°C
(95°F)		35°C
(96°F)		35°C
(95°F)		35°C
(95°F)		34°C
(94°F)		34°C
(94°F)		35°C
(94°F)		35°C
(95°F)		36°C
(97°F)		36°C
(96°F)		35°C
(95°F)
Mean maximum33°C
(92°F)		34°C
(94°F)		34°C
(94°F)		34°C
(94°F)		34°C
(94°F)		34°C
(93°F)		34°C
(93°F)		34°C
(94°F)		34°C
(93°F)		35°C
(95°F)		34°C
(94°F)		34°C
(93°F)
Average high31°C
(88°F)		31°C
(89°F)		32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		32°C
(89°F)		32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		31°C
(89°F)
Daily mean26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)		27°C
(81°F)		26°C
(80°F)		26°C
(79°F)		26°C
(80°F)		26°C
(80°F)		27°C
(80°F)		26°C
(80°F)		26°C
(80°F)
Average low23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)
Mean minimum21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		22°C
(71°F)		22°C
(71°F)
Minimum20°C
(68°F)		19°C
(67°F)		20°C
(68°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(71°F)		21°C
(70°F)

Compare climate in Malinau with other places

Compare temperature, precipitation, sunshine, UV index in Malinau, Indonesia with other places around the world.

Monthly average precipitation in Malinau, Indonesia

Malinau usually has the most precipitation in March, August and December, with an average of 29 rainy days and 332 mm (13.1 inches) of precipitation per month. The driest months in Malinau are January, February and October. On average, 240 mm (9.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Malinau. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)250 (9.9)213 (8.4)322 (12.7)311 (12.3)312 (12.3)300 (11.8)267 (10.5)315 (12.4)290 (11.4)257 (10.1)298 (11.7)359 (14.1)
Average precipitation days (≥ 1 mm)242529293029282927292929

Monthly sunshine hours in Malinau, Indonesia

The sunniest months in Malinau are March, July and August, when the sun shines an average of 9 hours 25 minutes a day. Least sunny months in Malinau: January, February and November receive an average of 8 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Malinau. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours223265297279285272290288269275266267
Mean daily daylight hours11h 55m11h 59m12h 4m12h 10m12h 16m12h 18m12h 17m12h 12m12h 7m12h 1m11h 56m11h 54m

Solar UV radiation in Malinau, Indonesia

Malinau 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 December 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 Malinau UV Index data.

Average daily maximum UV levels by month for Malinau. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141617161513131515151413