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Monthly climate in Siliwu, Heilongjiang, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Siliwu features a humid continental climate (Dwa).Temperatures typically range between -16 °C (4 °F) and 25 °C (77 °F) through the year, but rarely can drop to -30 °C (-22 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 561 mm (22.1 inches) and receives 57 rainy days on the 1 mm (0.04 inches) threshold annually.Siliwu enjoys an average of 3371 hours of sunshine throughout the year, and daylight varies from 8 hours 37 minutes to 15 hours 44 minutes per day.

Monthly average temperatures in Siliwu, Heilongjiang, China §

The warmest months in Siliwu are June, July and August, with daily mean temperatures ranging from 21 to 25 °C (70 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -16 to -11 °C (4 - 12 °F) throughout the day. On average each year, Siliwu experiences 66 days above 25 °C (77.0 °F) and 159 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Siliwu, Heilongjiang, China.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 1°C
(34°F)		 12°C
(53°F)		 23°C
(74°F)		 29°C
(84°F)		 38°C
(101°F)		 39°C
(103°F)		 37°C
(99°F)		 34°C
(94°F)		 31°C
(88°F)		 31°C
(89°F)		 15°C
(60°F)		 8°C
(47°F)
Mean maximum -3°C
(26°F)		 5°C
(41°F)		 17°C
(62°F)		 27°C
(80°F)		 33°C
(92°F)		 33°C
(92°F)		 34°C
(94°F)		 33°C
(91°F)		 27°C
(82°F)		 24°C
(75°F)		 13°C
(55°F)		 2°C
(36°F)
Average high -10°C
(14°F)		 -5°C
(23°F)		 5°C
(42°F)		 15°C
(59°F)		 22°C
(72°F)		 26°C
(79°F)		 29°C
(85°F)		 25°C
(78°F)		 21°C
(71°F)		 13°C
(56°F)		 1°C
(34°F)		 -9°C
(17°F)
Daily mean -16°C
(4°F)		 -11°C
(12°F)		 -1°C
(31°F)		 9°C
(48°F)		 16°C
(61°F)		 21°C
(70°F)		 25°C
(77°F)		 21°C
(71°F)		 16°C
(61°F)		 7°C
(45°F)		 -4°C
(25°F)		 -14°C
(7°F)
Average low -20°C
(-4°F)		 -16°C
(3°F)		 -6°C
(21°F)		 2°C
(35°F)		 10°C
(49°F)		 16°C
(60°F)		 20°C
(69°F)		 18°C
(64°F)		 11°C
(52°F)		 1°C
(35°F)		 -8°C
(18°F)		 -18°C
(-0°F)
Mean minimum -26°C
(-15°F)		 -24°C
(-11°F)		 -15°C
(6°F)		 -6°C
(22°F)		 1°C
(35°F)		 10°C
(51°F)		 15°C
(60°F)		 11°C
(52°F)		 4°C
(40°F)		 -6°C
(22°F)		 -16°C
(3°F)		 -25°C
(-12°F)
Minimum -30°C
(-22°F)		 -28°C
(-17°F)		 -18°C
(-1°F)		 -8°C
(18°F)		 -0°C
(32°F)		 9°C
(48°F)		 13°C
(56°F)		 8°C
(47°F)		 3°C
(37°F)		 -8°C
(17°F)		 -20°C
(-4°F)		 -28°C
(-18°F)

Compare climate in Siliwu with other places

Compare temperature, precipitation, sunshine, UV index in Siliwu, Heilongjiang, China with other places around the world.

Monthly average precipitation in Siliwu, Heilongjiang, China §

Siliwu usually has the most precipitation in June, July and August, with an average of 11 rainy days and 124 mm (4.9 inches) of precipitation per month.The driest months in Siliwu are January, February and December. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siliwu, Heilongjiang, China.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) 2 (0.1) 4 (0.1) 5 (0.2) 20 (0.8) 42 (1.7) 96 (3.8) 133 (5.2) 143 (5.6) 87 (3.4) 17 (0.7) 9 (0.4) 4 (0.2)
Average precipitation days (≥ 1 mm) 0 1 1 2 6 10 12 12 8 3 1 1

Monthly sunshine hours in Siliwu, Heilongjiang, China §

The sunniest months in Siliwu are May, June and July, when the sun shines an average of 11 hours 1 minutes a day.Least sunny months in Siliwu: January, November and December receive an average of 7 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siliwu, Heilongjiang, China.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 199 248 297 307 332 339 341 291 279 266 228 236
Mean daily daylight hours 9h 1m 10h 18m 11h 55m 13h 35m 15h 0m 15h 44m 15h 22m 14h 6m 12h 31m 10h 52m 9h 24m 8h 37m

Solar UV radiation in Siliwu, Heilongjiang, China §

Siliwu experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 9, which corresponds to the Very High category of sun exposure.January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Siliwu UV Index data.

Average daily maximum UV levels by month for Siliwu, Heilongjiang, China.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) 2 3 5 6 8 9 9 9 6 4 2 1