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Monthly climate in Yanchiwan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Yanchiwan features a ice cap climate ET). Temperatures typically range between -19 °C (-1 °F) and 9 °C (49 °F) through the year, but rarely can drop to -38 °C (-37 °F) or can rise to as high as 22 °C (72 °F). The average annual precipitation amounts to about 282 mm (11.1 inches) and receives 66 rainy days on the 1 mm (0.04 inches) threshold annually. Yanchiwan enjoys an average of 3888 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Yanchiwan, China

The warmest months in Yanchiwan are June, July and August, with daily mean temperatures ranging from 6 to 9 °C (43 - 49 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -19 to -16 °C (-1 - 4 °F) throughout the day. On average each year, Yanchiwan experiences 0 days above 25 °C (77.0 °F) and 248 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yanchiwan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-1°C
(30°F)		3°C
(38°F)		9°C
(49°F)		15°C
(59°F)		20°C
(68°F)		18°C
(65°F)		22°C
(72°F)		22°C
(72°F)		19°C
(66°F)		14°C
(57°F)		7°C
(44°F)		1°C
(34°F)
Mean maximum-5°C
(23°F)		-1°C
(30°F)		6°C
(44°F)		11°C
(53°F)		16°C
(62°F)		16°C
(62°F)		20°C
(68°F)		21°C
(69°F)		16°C
(62°F)		11°C
(52°F)		4°C
(39°F)		-3°C
(27°F)
Average high-10°C
(15°F)		-7°C
(20°F)		-1°C
(31°F)		4°C
(40°F)		8°C
(47°F)		11°C
(53°F)		15°C
(59°F)		15°C
(60°F)		12°C
(53°F)		5°C
(41°F)		-3°C
(27°F)		-9°C
(16°F)
Daily mean-19°C
(-1°F)		-16°C
(4°F)		-8°C
(17°F)		-3°C
(28°F)		2°C
(37°F)		6°C
(43°F)		9°C
(49°F)		9°C
(49°F)		5°C
(41°F)		-2°C
(28°F)		-10°C
(14°F)		-17°C
(1°F)
Average low-26°C
(-15°F)		-24°C
(-11°F)		-17°C
(2°F)		-9°C
(16°F)		-4°C
(26°F)		1°C
(34°F)		4°C
(40°F)		4°C
(40°F)		-1°C
(30°F)		-9°C
(16°F)		-17°C
(2°F)		-24°C
(-10°F)
Mean minimum-33°C
(-28°F)		-32°C
(-26°F)		-25°C
(-13°F)		-19°C
(-2°F)		-12°C
(11°F)		-4°C
(25°F)		0°C
(32°F)		-1°C
(31°F)		-6°C
(21°F)		-15°C
(5°F)		-25°C
(-13°F)		-29°C
(-20°F)
Minimum-38°C
(-36°F)		-38°C
(-37°F)		-30°C
(-22°F)		-22°C
(-8°F)		-17°C
(1°F)		-9°C
(16°F)		-1°C
(30°F)		-3°C
(27°F)		-8°C
(18°F)		-18°C
(0°F)		-29°C
(-20°F)		-32°C
(-24°F)

Compare climate in Yanchiwan with other places

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

Monthly average precipitation in Yanchiwan, China

Yanchiwan usually has the most precipitation in June, July and August, with an average of 12 rainy days and 59 mm (2.3 inches) of precipitation per month. The driest months in Yanchiwan are January, November and December. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yanchiwan. 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)8 (0.3)21 (0.8)33 (1.3)71 (2.8)70 (2.7)37 (1.4)14 (0.6)6 (0.2)5 (0.2)6 (0.2)
Average precipitation days (≥ 1 mm)21269151394212

Monthly sunshine hours in Yanchiwan, China

The sunniest months in Yanchiwan are May, July and August, when the sun shines an average of 11 hours 53 minutes a day. Least sunny months in Yanchiwan: January, February and December receive an average of 8 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yanchiwan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours230284341340362352377365336324288282
Mean daily daylight hours9h 45m10h 43m11h 57m13h 13m14h 18m14h 50m14h 34m13h 37m12h 24m11h 8m10h 2m9h 28m

Solar UV radiation in Yanchiwan, China

Yanchiwan experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Yanchiwan UV Index data.

Average daily maximum UV levels by month for Yanchiwan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3610121514141311853