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Monthly climate in Belawan, North Sumatra, Indonesia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Belawan features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (81 °F) and 28 °C (83 °F) through the year, but rarely can drop to 22 °C (72 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 3021 mm (118.9 inches) and receives 304 rainy days on the 1 mm (0.04 inches) threshold annually. Belawan enjoys an average of 3553 hours of sunshine throughout the year, and daylight varies from 11 hours 54 minutes to 12 hours 18 minutes per day.

Monthly average temperatures in Belawan, North Sumatra, Indonesia §

The warmest months in Belawan are April, May and June, with daily mean temperatures ranging from 28 to 28 °C (83 - 83 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 27 to 27 °C (81 - 81 °F) throughout the day. On average each year, Belawan 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 Belawan, North Sumatra, Indonesia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 33°C
(91°F)		 33°C
(92°F)		 35°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 35°C
(94°F)		 34°C
(93°F)		 34°C
(93°F)		 33°C
(92°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(91°F)
Mean maximum 32°C
(90°F)		 33°C
(91°F)		 34°C
(93°F)		 34°C
(94°F)		 34°C
(93°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(92°F)		 33°C
(92°F)		 33°C
(92°F)		 33°C
(91°F)		 32°C
(90°F)
Average high 31°C
(87°F)		 31°C
(89°F)		 32°C
(90°F)		 32°C
(91°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(89°F)		 31°C
(88°F)		 31°C
(87°F)		 30°C
(87°F)
Daily mean 27°C
(81°F)		 27°C
(82°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)
Average low 24°C
(76°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(76°F)		 24°C
(76°F)
Mean minimum 23°C
(73°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°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)		 23°C
(74°F)
Minimum 22°C
(72°F)		 22°C
(72°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)

Compare climate in Belawan with other places

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

Monthly average precipitation in Belawan, North Sumatra, Indonesia §

Belawan usually has the most precipitation in September, November and December, with an average of 28 rainy days and 346 mm (13.6 inches) of precipitation per month. The driest months in Belawan are January, February and March. On average, 154 mm (6.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Belawan, North Sumatra, Indonesia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 193 (7.6) 116 (4.6) 152 (6.0) 242 (9.5) 315 (12.4) 196 (7.7) 195 (7.7) 254 (10.0) 332 (13.1) 319 (12.6) 379 (14.9) 328 (12.9)
Average precipitation days (≥ 1 mm) 21 20 25 26 29 24 22 25 27 27 29 29

Monthly sunshine hours in Belawan, North Sumatra, Indonesia §

The sunniest months in Belawan are March, July and August, when the sun shines an average of 10 hours 19 minutes a day. Least sunny months in Belawan: January, November and December receive an average of 8 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Belawan, North Sumatra, Indonesia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 246 301 322 297 298 307 320 316 298 298 255 289
Mean daily daylight hours 11h 55m 11h 59m 12h 4m 12h 11m 12h 16m 12h 18m 12h 17m 12h 12m 12h 7m 12h 1m 11h 56m 11h 54m

Solar UV radiation in Belawan, North Sumatra, Indonesia §

Belawan experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 15, 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 12. For more detailed information, check out our hourly Belawan UV Index data.

Average daily maximum UV levels by month for Belawan, North Sumatra, Indonesia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 13 15 15 15 14 12 12 13 14 14 13 12

Detailed Monthly Weather Insights for Belawan, North Sumatra, Indonesia

Discover in-depth weather details for every month in Belawan. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Belawan's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.