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Monthly climate in Tutong, Brunei Darussalam

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tutong features a tropical rainforest climate (Af). Temperatures typically range between 26 °C (80 °F) and 28 °C (82 °F) through the year, but rarely can drop to 22 °C (73 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 2816 mm (110.9 inches) and receives 295 rainy days on the 1 mm (0.04 inches) threshold annually. Tutong enjoys an average of 3322 hours of sunshine throughout the year, and daylight varies from 11 hours 50 minutes to 12 hours 22 minutes per day.

Monthly average temperatures in Tutong, Brunei Darussalam

The warmest months in Tutong are May, June and August, with daily mean temperatures ranging from 27 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 26 to 27 °C (80 - 80 °F) throughout the day. On average each year, Tutong 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 Tutong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(89°F)		31°C
(88°F)		32°C
(89°F)		32°C
(90°F)		32°C
(91°F)		33°C
(91°F)		33°C
(92°F)		33°C
(91°F)		32°C
(91°F)		32°C
(90°F)		32°C
(90°F)		31°C
(89°F)
Mean maximum31°C
(88°F)		31°C
(87°F)		31°C
(88°F)		31°C
(89°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		32°C
(91°F)		32°C
(90°F)		32°C
(89°F)		31°C
(89°F)		31°C
(88°F)
Average high29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)		30°C
(87°F)		30°C
(87°F)		31°C
(87°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		30°C
(85°F)
Daily mean27°C
(80°F)		26°C
(80°F)		27°C
(80°F)		27°C
(81°F)		28°C
(82°F)		27°C
(82°F)		27°C
(82°F)		27°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)
Average low25°C
(76°F)		24°C
(76°F)		25°C
(76°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)
Mean minimum24°C
(75°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°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
(75°F)		24°C
(75°F)
Minimum23°C
(74°F)		22°C
(73°F)		23°C
(74°F)		23°C
(74°F)		24°C
(76°F)		24°C
(75°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)

Compare climate in Tutong with other places

Compare temperature, precipitation, sunshine, UV index in Tutong, Brunei Darussalam with other places around the world.

Monthly average precipitation in Tutong, Brunei Darussalam

Tutong usually has the most precipitation in October, November and December, with an average of 28 rainy days and 295 mm (11.6 inches) of precipitation per month. The driest months in Tutong are February, March and July. On average, 175 mm (6.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tutong. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)225 (8.9)139 (5.5)172 (6.8)220 (8.6)223 (8.8)251 (9.9)213 (8.4)227 (8.9)261 (10.3)292 (11.5)296 (11.7)297 (11.7)
Average precipitation days (≥ 1 mm)232124252623232223272830

Monthly sunshine hours in Tutong, Brunei Darussalam

The sunniest months in Tutong are March, May and July, when the sun shines an average of 9 hours 27 minutes a day. Least sunny months in Tutong: January, February and September receive an average of 8 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tutong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours222265292287290282296288270277274273
Mean daily daylight hours11h 51m11h 57m12h 4m12h 12m12h 19m12h 22m12h 21m12h 15m12h 7m11h 59m11h 53m11h 50m

Solar UV radiation in Tutong, Brunei Darussalam

Tutong 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 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 Tutong UV Index data.

Average daily maximum UV levels by month for Tutong. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)131516161413131414141312