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Monthly climate in Bolaang, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bolaang features a tropical rainforest climate (Af). Temperatures typically range between 25 °C (78 °F) and 26 °C (80 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 2750 mm (108.3 inches) and receives 284 rainy days on the 1 mm (0.04 inches) threshold annually. Bolaang enjoys an average of 3413 hours of sunshine throughout the year, and daylight varies from 12 hours 3 minutes to 12 hours 9 minutes per day.

Monthly average temperatures in Bolaang, Indonesia

The warmest months in Bolaang are May, August and October, with daily mean temperatures ranging from 26 to 26 °C (79 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 25 to 25 °C (78 - 78 °F) throughout the day. On average each year, Bolaang 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 Bolaang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		31°C
(88°F)		31°C
(88°F)		31°C
(89°F)		32°C
(89°F)		32°C
(91°F)		34°C
(93°F)		32°C
(89°F)		31°C
(88°F)		31°C
(87°F)
Mean maximum29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		30°C
(87°F)		31°C
(87°F)		31°C
(87°F)		31°C
(88°F)		32°C
(89°F)		32°C
(89°F)		31°C
(89°F)		30°C
(87°F)		30°C
(86°F)
Average high28°C
(82°F)		28°C
(82°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		28°C
(84°F)
Daily mean25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)
Average low23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)
Mean minimum23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(73°F)		23°C
(73°F)		23°C
(73°F)
Minimum22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		21°C
(70°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)

Compare climate in Bolaang with other places

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

Monthly average precipitation in Bolaang, Indonesia

Bolaang usually has the most precipitation in June, July and December, with an average of 25 rainy days and 269 mm (10.6 inches) of precipitation per month. The driest months in Bolaang are April, August and October. On average, 189 mm (7.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bolaang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)243 (9.6)221 (8.7)228 (9.0)207 (8.1)233 (9.2)313 (12.3)250 (9.8)148 (5.8)220 (8.7)214 (8.4)231 (9.1)243 (9.6)
Average precipitation days (≥ 1 mm)232526242724221518232730

Monthly sunshine hours in Bolaang, Indonesia

The sunniest months in Bolaang are March, August and October, when the sun shines an average of 9 hours 43 minutes a day. Least sunny months in Bolaang: January, February and June receive an average of 8 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bolaang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours231271297283291279287302292304290282
Mean daily daylight hours12h 3m12h 4m12h 5m12h 7m12h 8m12h 9m12h 9m12h 7m12h 6m12h 4m12h 3m12h 3m

Solar UV radiation in Bolaang, Indonesia

Bolaang experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 17, 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 14. For more detailed information, check out our hourly Bolaang UV Index data.

Average daily maximum UV levels by month for Bolaang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151617161513131415151414