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Monthly climate in Bintulu, Malaysia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bintulu features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (80 °F) and 28 °C (82 °F) through the year, but rarely can drop to 22 °C (72 °F) or can rise to as high as 35 °C (94 °F). The average annual precipitation amounts to about 2883 mm (113.5 inches) and receives 297 rainy days on the 1 mm (0.04 inches) threshold annually. Bintulu enjoys an average of 3280 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 Bintulu, Malaysia

The warmest months in Bintulu are May, June and August, with daily mean temperatures ranging from 28 to 28 °C (82 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 27 to 27 °C (80 - 80 °F) throughout the day. On average each year, Bintulu 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 Bintulu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)		31°C
(89°F)		32°C
(90°F)		33°C
(91°F)		33°C
(93°F)		33°C
(92°F)		35°C
(94°F)		35°C
(94°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		32°C
(90°F)
Mean maximum31°C
(89°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		33°C
(91°F)		33°C
(91°F)		33°C
(92°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		32°C
(89°F)		32°C
(89°F)
Average high30°C
(85°F)		29°C
(85°F)		30°C
(86°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		31°C
(87°F)		30°C
(87°F)		30°C
(87°F)		30°C
(86°F)
Daily mean27°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(82°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)
Average low25°C
(77°F)		25°C
(76°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)
Mean minimum24°C
(75°F)		23°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)
Minimum24°C
(75°F)		22°C
(72°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)

Compare climate in Bintulu with other places

Compare temperature, precipitation, sunshine, UV index in Bintulu, Malaysia with other places around the world.

Monthly average precipitation in Bintulu, Malaysia

Bintulu usually has the most precipitation in October, November and December, with an average of 28 rainy days and 308 mm (12.1 inches) of precipitation per month. The driest months in Bintulu are February, March and April. On average, 192 mm (7.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bintulu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)251 (9.9)198 (7.8)196 (7.7)183 (7.2)238 (9.4)210 (8.3)213 (8.4)217 (8.6)251 (9.9)260 (10.2)312 (12.3)353 (13.9)
Average precipitation days (≥ 1 mm)232426252522222223272830

Monthly sunshine hours in Bintulu, Malaysia

The sunniest months in Bintulu are April, May and July, when the sun shines an average of 9 hours 34 minutes a day. Least sunny months in Bintulu: January, February and September receive an average of 8 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bintulu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours216259284291292278297289262273265268
Mean daily daylight hours11h 56m12h 0m12h 5m12h 10m12h 14m12h 17m12h 16m12h 12m12h 6m12h 1m11h 57m11h 56m

Solar UV radiation in Bintulu, Malaysia

Bintulu experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. June, July and November 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 Bintulu UV Index data.

Average daily maximum UV levels by month for Bintulu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141516161413131414141313