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Monthly climate in Siwei, Hebei, China

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Siwei features a humid continental climate (Dwa).Temperatures typically range between -2 °C (28 °F) and 26 °C (80 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 645 mm (25.4 inches) and receives 65 rainy days on the 1 mm (0.04 inches) threshold annually.Siwei enjoys an average of 3342 hours of sunshine throughout the year, and daylight varies from 9 hours 33 minutes to 14 hours 45 minutes per day.

Monthly average temperatures in Siwei, Hebei, China §

The warmest months in Siwei are June, July and August, with daily mean temperatures ranging from 25 to 26 °C (78 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (28 - 34 °F) throughout the day. On average each year, Siwei experiences 117 days above 25 °C (77.0 °F) and 97 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Siwei, Hebei, 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 14°C
(57°F)		 25°C
(77°F)		 31°C
(88°F)		 33°C
(91°F)		 39°C
(102°F)		 39°C
(102°F)		 38°C
(100°F)		 35°C
(96°F)		 34°C
(94°F)		 32°C
(90°F)		 25°C
(76°F)		 16°C
(60°F)
Mean maximum 11°C
(52°F)		 17°C
(62°F)		 25°C
(77°F)		 31°C
(88°F)		 35°C
(95°F)		 37°C
(98°F)		 36°C
(97°F)		 34°C
(94°F)		 32°C
(91°F)		 26°C
(80°F)		 21°C
(70°F)		 12°C
(53°F)
Average high 3°C
(37°F)		 7°C
(45°F)		 15°C
(59°F)		 21°C
(70°F)		 27°C
(81°F)		 31°C
(88°F)		 31°C
(88°F)		 29°C
(85°F)		 26°C
(80°F)		 19°C
(66°F)		 12°C
(54°F)		 5°C
(41°F)
Daily mean -2°C
(28°F)		 1°C
(34°F)		 9°C
(48°F)		 15°C
(59°F)		 21°C
(70°F)		 26°C
(78°F)		 26°C
(80°F)		 25°C
(78°F)		 21°C
(70°F)		 13°C
(56°F)		 6°C
(44°F)		 -1°C
(31°F)
Average low -7°C
(20°F)		 -4°C
(25°F)		 3°C
(38°F)		 9°C
(48°F)		 15°C
(59°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(71°F)		 16°C
(61°F)		 8°C
(47°F)		 2°C
(35°F)		 -5°C
(23°F)
Mean minimum -12°C
(10°F)		 -9°C
(17°F)		 -3°C
(27°F)		 2°C
(36°F)		 9°C
(48°F)		 15°C
(59°F)		 18°C
(66°F)		 17°C
(63°F)		 12°C
(54°F)		 2°C
(35°F)		 -5°C
(23°F)		 -11°C
(12°F)
Minimum -16°C
(3°F)		 -11°C
(13°F)		 -5°C
(24°F)		 -1°C
(30°F)		 6°C
(44°F)		 13°C
(55°F)		 18°C
(64°F)		 15°C
(60°F)		 9°C
(49°F)		 1°C
(34°F)		 -8°C
(18°F)		 -14°C
(8°F)

Compare climate in Siwei with other places

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

Monthly average precipitation in Siwei, Hebei, China §

Siwei usually has the most precipitation in July, August and September, with an average of 12 rainy days and 131 mm (5.2 inches) of precipitation per month.The driest months in Siwei are January, February and December. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siwei, Hebei, 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) 3 (0.1) 7 (0.3) 16 (0.6) 47 (1.8) 45 (1.8) 54 (2.1) 176 (6.9) 155 (6.1) 63 (2.5) 60 (2.4) 15 (0.6) 4 (0.1)
Average precipitation days (≥ 1 mm) 1 2 3 4 5 6 17 14 5 5 2 1

Monthly sunshine hours in Siwei, Hebei, China §

The sunniest months in Siwei are May, June and July, when the sun shines an average of 10 hours 20 minutes a day.Least sunny months in Siwei: January, October and November receive an average of 7 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siwei, Hebei, 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 208 257 298 294 330 314 305 303 272 253 245 258
Mean daily daylight hours 9h 50m 10h 46m 11h 57m 13h 11m 14h 13m 14h 45m 14h 29m 13h 34m 12h 24m 11h 10m 10h 6m 9h 33m

Solar UV radiation in Siwei, Hebei, China §

Siwei experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Siwei UV Index data.

Average daily maximum UV levels by month for Siwei, Hebei, 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 4 6 8 9 10 10 10 8 7 4 2