nomadseason

Monthly climate in Barus, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Barus features a tropical rainforest climate (Af). Temperatures typically range between 25 °C (76 °F) and 26 °C (78 °F) through the year, but rarely can drop to 21 °C (71 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 4269 mm (168.1 inches) and receives 297 rainy days on the 1 mm (0.04 inches) threshold annually. Barus enjoys an average of 3367 hours of sunshine throughout the year, and daylight varies from 12 hours 0 minutes to 12 hours 13 minutes per day.

Monthly average temperatures in Barus, Indonesia

The warmest months in Barus are April, May and June, with daily mean temperatures ranging from 25 to 26 °C (78 - 78 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 25 to 25 °C (76 - 77 °F) throughout the day. On average each year, Barus experiences 322 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 Barus. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)		31°C
(88°F)		30°C
(87°F)		30°C
(87°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)
Mean maximum29°C
(85°F)		30°C
(86°F)		30°C
(86°F)		30°C
(85°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)
Average high28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)
Daily mean25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(76°F)		25°C
(77°F)
Average low23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°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
(74°F)
Mean minimum22°C
(72°F)		22°C
(72°F)		22°C
(73°F)		22°C
(73°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)
Minimum22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)		21°C
(71°F)		22°C
(71°F)		22°C
(72°F)		22°C
(71°F)

Compare climate in Barus with other places

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

Monthly average precipitation in Barus, Indonesia

Barus usually has the most precipitation in March, November and December, with an average of 28 rainy days and 520 mm (20.5 inches) of precipitation per month. The driest months in Barus are June, July and August. On average, 218 mm (8.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Barus. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)279 (11.0)299 (11.8)495 (19.5)397 (15.6)335 (13.2)158 (6.2)251 (9.9)244 (9.6)365 (14.4)379 (14.9)613 (24.1)453 (17.8)
Average precipitation days (≥ 1 mm)212730282618202225242828

Monthly sunshine hours in Barus, Indonesia

The sunniest months in Barus are March, July and August, when the sun shines an average of 9 hours 51 minutes a day. Least sunny months in Barus: January, October and November receive an average of 8 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Barus. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours240291305282286299305306278263233275
Mean daily daylight hours12h 0m12h 2m12h 5m12h 8m12h 11m12h 13m12h 12m12h 9m12h 6m12h 3m12h 0m12h 0m

Solar UV radiation in Barus, Indonesia

Barus 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 Barus UV Index data.

Average daily maximum UV levels by month for Barus. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141516161513131415151413