Last updated: May 6, 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.
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).
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 temperature, precipitation, sunshine, UV index in Siabu, North Sumatra, Indonesia with other places around the world.
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.
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 |
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.
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 |
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.
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 |