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Monthly climate in Sihaidian, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sihaidian features a humid continental climate (Dwb). Temperatures typically range between -21 °C (-5 °F) and 23 °C (73 °F) through the year, but rarely can drop to -40 °C (-40 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 865 mm (34.1 inches) and receives 96 rainy days on the 1 mm (0.04 inches) threshold annually. Sihaidian enjoys an average of 3156 hours of sunshine throughout the year, and daylight varies from 8 hours 30 minutes to 15 hours 52 minutes per day.

Monthly average temperatures in Sihaidian, China

The warmest months in Sihaidian are June, July and August, with daily mean temperatures ranging from 18 to 23 °C (65 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -21 to -16 °C (-5 - 4 °F) throughout the day. On average each year, Sihaidian experiences 44 days above 25 °C (77.0 °F) and 168 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sihaidian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-4°C
(24°F)		7°C
(45°F)		16°C
(61°F)		25°C
(77°F)		31°C
(89°F)		34°C
(94°F)		34°C
(93°F)		30°C
(86°F)		28°C
(83°F)		25°C
(78°F)		12°C
(54°F)		5°C
(41°F)
Mean maximum-7°C
(19°F)		0°C
(33°F)		12°C
(54°F)		22°C
(73°F)		29°C
(84°F)		28°C
(83°F)		32°C
(90°F)		29°C
(84°F)		26°C
(79°F)		21°C
(69°F)		9°C
(48°F)		-3°C
(26°F)
Average high-15°C
(6°F)		-9°C
(15°F)		2°C
(35°F)		12°C
(53°F)		19°C
(67°F)		23°C
(73°F)		27°C
(81°F)		24°C
(75°F)		20°C
(68°F)		11°C
(52°F)		-2°C
(28°F)		-13°C
(8°F)
Daily mean-21°C
(-5°F)		-16°C
(4°F)		-4°C
(25°F)		6°C
(43°F)		14°C
(57°F)		18°C
(65°F)		23°C
(73°F)		20°C
(68°F)		14°C
(58°F)		5°C
(42°F)		-7°C
(20°F)		-18°C
(-1°F)
Average low-26°C
(-14°F)		-22°C
(-7°F)		-10°C
(14°F)		-0°C
(32°F)		7°C
(46°F)		14°C
(57°F)		19°C
(66°F)		16°C
(61°F)		9°C
(49°F)		-0°C
(32°F)		-11°C
(12°F)		-23°C
(-9°F)
Mean minimum-33°C
(-28°F)		-31°C
(-23°F)		-22°C
(-8°F)		-6°C
(21°F)		1°C
(35°F)		8°C
(47°F)		14°C
(57°F)		9°C
(49°F)		2°C
(35°F)		-6°C
(21°F)		-22°C
(-8°F)		-30°C
(-22°F)
Minimum-40°C
(-40°F)		-34°C
(-30°F)		-31°C
(-23°F)		-10°C
(14°F)		0°C
(32°F)		5°C
(42°F)		13°C
(55°F)		5°C
(42°F)		-0°C
(31°F)		-9°C
(16°F)		-26°C
(-15°F)		-40°C
(-39°F)

Compare climate in Sihaidian with other places

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

Monthly average precipitation in Sihaidian, China

Sihaidian usually has the most precipitation in June, July and August, with an average of 17 rainy days and 179 mm (7.0 inches) of precipitation per month. The driest months in Sihaidian are January, February and December. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sihaidian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)6 (0.2)7 (0.3)15 (0.6)35 (1.4)82 (3.2)148 (5.8)196 (7.7)192 (7.6)119 (4.7)30 (1.2)25 (1.0)10 (0.4)
Average precipitation days (≥ 1 mm)12451116171810552

Monthly sunshine hours in Sihaidian, China

The sunniest months in Sihaidian are May, June and July, when the sun shines an average of 10 hours 23 minutes a day. Least sunny months in Sihaidian: January, November and December receive an average of 6 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sihaidian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours180236277292318312324267275247204219
Mean daily daylight hours8h 54m10h 14m11h 54m13h 38m15h 6m15h 52m15h 29m14h 11m12h 32m10h 49m9h 18m8h 30m

Solar UV radiation in Sihaidian, China

Sihaidian experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 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 Sihaidian UV Index data.

Average daily maximum UV levels by month for Sihaidian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234678986421