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Monthly climate in Sibolga, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sibolga 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 22 °C (72 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 4233 mm (166.7 inches) and receives 285 rainy days on the 1 mm (0.04 inches) threshold annually. Sibolga enjoys an average of 3231 hours of sunshine throughout the year, and daylight varies from 12 hours 1 minutes to 12 hours 12 minutes per day.

Monthly average temperatures in Sibolga, Indonesia

The warmest months in Sibolga are February, May and June, with daily mean temperatures ranging from 26 to 26 °C (79 - 80 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 25 to 25 °C (78 - 78 °F) throughout the day. On average each year, Sibolga experiences 327 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 Sibolga. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(87°F)		32°C
(90°F)		33°C
(91°F)		31°C
(88°F)		31°C
(88°F)		31°C
(88°F)		30°C
(86°F)		31°C
(88°F)		30°C
(86°F)		30°C
(87°F)		30°C
(87°F)		30°C
(87°F)
Mean maximum30°C
(86°F)		31°C
(88°F)		31°C
(88°F)		30°C
(87°F)		30°C
(87°F)		30°C
(86°F)		30°C
(85°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(85°F)		30°C
(86°F)
Average high28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)
Daily mean26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		26°C
(80°F)		26°C
(79°F)		26°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(78°F)
Average low24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°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)
Mean minimum23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)
Minimum22°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		22°C
(73°F)

Compare climate in Sibolga with other places

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

Monthly average precipitation in Sibolga, Indonesia

Sibolga usually has the most precipitation in March, November and December, with an average of 27 rainy days and 507 mm (20.0 inches) of precipitation per month. The driest months in Sibolga are June, July and August. On average, 220 mm (8.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sibolga. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)280 (11.0)278 (10.9)469 (18.5)418 (16.5)324 (12.8)174 (6.8)250 (9.8)236 (9.3)362 (14.3)389 (15.3)585 (23.0)467 (18.4)
Average precipitation days (≥ 1 mm)202528282517192125232727

Monthly sunshine hours in Sibolga, Indonesia

The sunniest months in Sibolga are March, July and August, when the sun shines an average of 9 hours 32 minutes a day. Least sunny months in Sibolga: January, October and November receive an average of 7 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sibolga. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours231285294264276293294298269246219256
Mean daily daylight hours12h 1m12h 2m12h 5m12h 8m12h 11m12h 12m12h 11m12h 9m12h 6m12h 3m12h 1m12h 1m

Solar UV radiation in Sibolga, Indonesia

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

Average daily maximum UV levels by month for Sibolga. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141516161512121415151413