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Monthly climate in Siabu, North Sumatra, Indonesia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Siabu features a tropical rainforest climate (Af). Temperatures typically range between 23 °C (74 °F) and 24 °C (76 °F) through the year, but rarely can drop to 16 °C (62 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 3020 mm (118.9 inches) and receives 283 rainy days on the 1 mm (0.04 inches) threshold annually. Siabu enjoys an average of 3311 hours of sunshine throughout the year, and daylight varies from 12 hours 3 minutes to 12 hours 10 minutes per day.

Monthly average temperatures in Siabu, North Sumatra, Indonesia §

The warmest months in Siabu are April, May and June, with daily mean temperatures ranging from 24 to 24 °C (76 - 76 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 23 to 24 °C (74 - 75 °F) throughout the day. On average each year, Siabu 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 Siabu, 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 31°C
(88°F)		 31°C
(89°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 31°C
(88°F)
Mean maximum 31°C
(87°F)		 31°C
(88°F)		 31°C
(89°F)		 31°C
(89°F)		 31°C
(89°F)		 31°C
(87°F)		 31°C
(87°F)		 31°C
(88°F)		 31°C
(87°F)		 31°C
(88°F)		 30°C
(87°F)		 30°C
(87°F)
Average high 28°C
(83°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 28°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)
Daily mean 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°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)		 23°C
(74°F)		 24°C
(75°F)
Average low 20°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(71°F)		 21°C
(69°F)		 20°C
(69°F)		 20°C
(69°F)		 20°C
(69°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)
Mean minimum 18°C
(65°F)		 19°C
(67°F)		 19°C
(67°F)		 20°C
(68°F)		 20°C
(69°F)		 19°C
(66°F)		 19°C
(66°F)		 19°C
(66°F)		 19°C
(66°F)		 19°C
(67°F)		 20°C
(68°F)		 19°C
(67°F)
Minimum 16°C
(62°F)		 19°C
(66°F)		 17°C
(62°F)		 19°C
(66°F)		 19°C
(66°F)		 18°C
(65°F)		 18°C
(65°F)		 18°C
(64°F)		 17°C
(63°F)		 19°C
(66°F)		 19°C
(67°F)		 18°C
(64°F)

Compare climate in Siabu with other places

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

Monthly average precipitation in Siabu, North Sumatra, Indonesia §

Siabu usually has the most precipitation in October, November and December, with an average of 25 rainy days and 333 mm (13.1 inches) of precipitation per month. The driest months in Siabu are January, February and June. On average, 171 mm (6.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siabu, 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) 168 (6.6) 166 (6.5) 251 (9.9) 303 (11.9) 270 (10.6) 179 (7.1) 191 (7.5) 214 (8.4) 280 (11.0) 315 (12.4) 368 (14.5) 315 (12.4)
Average precipitation days (≥ 1 mm) 19 20 25 28 26 18 21 22 27 23 27 27

Monthly sunshine hours in Siabu, North Sumatra, Indonesia §

The sunniest months in Siabu are March, July and August, when the sun shines an average of 9 hours 45 minutes a day. Least sunny months in Siabu: January, April and November receive an average of 7 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siabu, 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 227 279 296 263 286 294 303 307 279 271 235 266
Mean daily daylight hours 12h 3m 12h 4m 12h 5m 12h 7m 12h 9m 12h 10m 12h 9m 12h 7m 12h 6m 12h 4m 12h 3m 12h 3m

Solar UV radiation in Siabu, North Sumatra, Indonesia §

Siabu 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 Siabu UV Index data.

Average daily maximum UV levels by month for Siabu, 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) 15 15 16 16 15 13 13 14 15 15 14 13

Detailed Monthly Weather Insights for Siabu, North Sumatra, Indonesia

Discover in-depth weather details for every month in Siabu. 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 Siabu'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.