nomadseason

Monthly climate in Sintang, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sintang 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 21 °C (70 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 3060 mm (120.5 inches) and receives 286 rainy days on the 1 mm (0.04 inches) threshold annually. Sintang enjoys an average of 3181 hours of sunshine throughout the year, and daylight varies from 12 hours 6 minutes to 12 hours 7 minutes per day.

Monthly average temperatures in Sintang, Indonesia

The warmest months in Sintang are April, May and June, with daily mean temperatures ranging from 27 to 28 °C (81 - 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 - 81 °F) throughout the day. On average each year, Sintang 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 Sintang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(94°F)		35°C
(95°F)		36°C
(96°F)		35°C
(96°F)		35°C
(96°F)		34°C
(94°F)		35°C
(95°F)		35°C
(95°F)		35°C
(95°F)		36°C
(97°F)		34°C
(94°F)		34°C
(94°F)
Mean maximum33°C
(93°F)		34°C
(94°F)		35°C
(95°F)		35°C
(95°F)		35°C
(95°F)		34°C
(93°F)		34°C
(93°F)		34°C
(94°F)		35°C
(95°F)		35°C
(95°F)		34°C
(94°F)		34°C
(93°F)
Average high31°C
(89°F)		31°C
(89°F)		32°C
(90°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
(89°F)		32°C
(89°F)
Daily mean27°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		28°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)
Average low24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		25°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)
Mean minimum23°C
(74°F)		22°C
(72°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(75°F)		22°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)
Minimum23°C
(74°F)		21°C
(70°F)		22°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		21°C
(70°F)		21°C
(71°F)		22°C
(71°F)		23°C
(73°F)		23°C
(74°F)		22°C
(72°F)

Compare climate in Sintang with other places

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

Monthly average precipitation in Sintang, Indonesia

Sintang usually has the most precipitation in March, October and November, with an average of 28 rainy days and 332 mm (13.1 inches) of precipitation per month. The driest months in Sintang are January, July and August. On average, 191 mm (7.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sintang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)198 (7.8)242 (9.5)287 (11.3)257 (10.1)248 (9.8)240 (9.5)170 (6.7)204 (8.0)248 (9.8)344 (13.5)365 (14.4)256 (10.1)
Average precipitation days (≥ 1 mm)232128252522181822282828

Monthly sunshine hours in Sintang, Indonesia

The sunniest months in Sintang are May, July and August, when the sun shines an average of 9 hours 22 minutes a day. Least sunny months in Sintang: January, February and November receive an average of 7 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sintang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours210240272267283283296291260262247265
Mean daily daylight hours12h 6m12h 6m12h 6m12h 6m12h 6m12h 7m12h 6m12h 6m12h 6m12h 6m12h 6m12h 6m

Solar UV radiation in Sintang, Indonesia

Sintang 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 Sintang UV Index data.

Average daily maximum UV levels by month for Sintang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141616151412121415151413