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Monthly climate in Sumbul, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sumbul features a tropical rainforest climate (Af). Temperatures typically range between 20 °C (68 °F) and 21 °C (70 °F) through the year, but rarely can drop to 15 °C (58 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 2809 mm (110.6 inches) and receives 281 rainy days on the 1 mm (0.04 inches) threshold annually. Sumbul enjoys an average of 3206 hours of sunshine throughout the year, and daylight varies from 11 hours 57 minutes to 12 hours 15 minutes per day.

Monthly average temperatures in Sumbul, Indonesia

The warmest months in Sumbul are April, May and June, with daily mean temperatures ranging from 21 to 21 °C (69 - 70 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 20 to 20 °C (68 - 68 °F) throughout the day. On average each year, Sumbul experiences 156 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 Sumbul. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)		28°C
(82°F)		27°C
(81°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)
Mean maximum27°C
(80°F)		27°C
(81°F)		28°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
(81°F)		27°C
(81°F)		26°C
(80°F)		26°C
(80°F)
Average high24°C
(76°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(76°F)		25°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(76°F)
Daily mean20°C
(68°F)		20°C
(69°F)		21°C
(69°F)		21°C
(69°F)		21°C
(70°F)		21°C
(69°F)		20°C
(69°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)
Average low17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		18°C
(64°F)		18°C
(64°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)
Mean minimum15°C
(60°F)		16°C
(60°F)		16°C
(61°F)		16°C
(62°F)		16°C
(62°F)		16°C
(61°F)		15°C
(60°F)		16°C
(60°F)		15°C
(60°F)		16°C
(60°F)		16°C
(62°F)		16°C
(61°F)
Minimum15°C
(59°F)		15°C
(59°F)		15°C
(60°F)		16°C
(61°F)		16°C
(61°F)		15°C
(60°F)		15°C
(59°F)		15°C
(59°F)		15°C
(58°F)		15°C
(59°F)		16°C
(61°F)		16°C
(61°F)

Compare climate in Sumbul with other places

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

Monthly average precipitation in Sumbul, Indonesia

Sumbul usually has the most precipitation in October, November and December, with an average of 27 rainy days and 331 mm (13.0 inches) of precipitation per month. The driest months in Sumbul are February, June and July. On average, 157 mm (6.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sumbul. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)199 (7.8)155 (6.1)212 (8.3)238 (9.4)243 (9.6)149 (5.9)166 (6.5)199 (7.8)256 (10.1)266 (10.5)416 (16.4)311 (12.2)
Average precipitation days (≥ 1 mm)202023282718182125252828

Monthly sunshine hours in Sumbul, Indonesia

The sunniest months in Sumbul are March, July and August, when the sun shines an average of 9 hours 38 minutes a day. Least sunny months in Sumbul: January, November and December receive an average of 7 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sumbul. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours225278295261265287302297267257210256
Mean daily daylight hours11h 58m12h 1m12h 5m12h 9m12h 13m12h 15m12h 14m12h 11m12h 6m12h 2m11h 58m11h 57m

Solar UV radiation in Sumbul, Indonesia

Sumbul experiences the highest level of ultraviolet (UV) radiation in March, April and May, 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 Sumbul UV Index data.

Average daily maximum UV levels by month for Sumbul. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151617161613131515151413