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Monthly climate in Sumber, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sumber features a tropical monsoon climate (Am). Temperatures typically range between 26 °C (79 °F) and 27 °C (81 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 2102 mm (82.7 inches) and receives 214 rainy days on the 1 mm (0.04 inches) threshold annually. Sumber enjoys an average of 3473 hours of sunshine throughout the year, and daylight varies from 11 hours 43 minutes to 12 hours 29 minutes per day.

Monthly average temperatures in Sumber, Indonesia

The warmest months in Sumber are May, October and November, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and August, when daily mean temperatures range from 26 to 26 °C (79 - 79 °F) throughout the day. On average each year, Sumber 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 Sumber. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(87°F)		30°C
(86°F)		31°C
(87°F)		31°C
(88°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		31°C
(89°F)		33°C
(91°F)		32°C
(91°F)		31°C
(88°F)
Mean maximum30°C
(87°F)		30°C
(86°F)		30°C
(87°F)		31°C
(87°F)		31°C
(88°F)		30°C
(87°F)		30°C
(87°F)		30°C
(87°F)		31°C
(88°F)		32°C
(89°F)		31°C
(89°F)		31°C
(87°F)
Average high29°C
(84°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		30°C
(87°F)		30°C
(86°F)		29°C
(85°F)
Daily mean26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		26°C
(79°F)		27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		26°C
(80°F)
Average low24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		25°C
(77°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)
Mean minimum24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)
Minimum24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)		21°C
(70°F)		21°C
(70°F)		22°C
(71°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)

Compare climate in Sumber with other places

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

Monthly average precipitation in Sumber, Indonesia

Sumber usually has the most precipitation in February, March and December, with an average of 29 rainy days and 351 mm (13.8 inches) of precipitation per month. The driest months in Sumber are July, August and September. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sumber. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)322 (12.7)359 (14.1)368 (14.5)227 (9.0)110 (4.3)47 (1.9)15 (0.6)9 (0.4)22 (0.8)64 (2.5)232 (9.1)328 (12.9)
Average precipitation days (≥ 1 mm)252830271711424132330

Monthly sunshine hours in Sumber, Indonesia

The sunniest months in Sumber are July, August and October, when the sun shines an average of 10 hours 14 minutes a day. Least sunny months in Sumber: January, February and December receive an average of 8 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sumber. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours217241294293309298318321309311281275
Mean daily daylight hours12h 26m12h 18m12h 7m11h 56m11h 47m11h 43m11h 45m11h 53m12h 3m12h 14m12h 24m12h 29m

Solar UV radiation in Sumber, Indonesia

Sumber experiences the highest level of ultraviolet (UV) radiation in February, March and October, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. May, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Sumber UV Index data.

Average daily maximum UV levels by month for Sumber. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141616141210111214151414