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Monthly climate in Onyar, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Onyar features a cold semi-arid climate (BSk). Temperatures typically range between -8 °C (18 °F) and 23 °C (74 °F) through the year, but rarely can drop to -24 °C (-10 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 458 mm (18.0 inches) and receives 78 rainy days on the 1 mm (0.04 inches) threshold annually. Onyar enjoys an average of 3809 hours of sunshine throughout the year, and daylight varies from 8 hours 58 minutes to 15 hours 21 minutes per day.

Monthly average temperatures in Onyar, China

The warmest months in Onyar are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -4 °C (18 - 25 °F) throughout the day. On average each year, Onyar experiences 90 days above 25 °C (77.0 °F) and 126 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Onyar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(54°F)		15°C
(59°F)		23°C
(73°F)		31°C
(88°F)		34°C
(94°F)		34°C
(94°F)		36°C
(97°F)		35°C
(95°F)		34°C
(93°F)		26°C
(80°F)		23°C
(74°F)		12°C
(54°F)
Mean maximum4°C
(40°F)		9°C
(48°F)		20°C
(69°F)		28°C
(83°F)		32°C
(90°F)		29°C
(85°F)		35°C
(95°F)		33°C
(92°F)		31°C
(88°F)		25°C
(77°F)		18°C
(65°F)		8°C
(46°F)
Average high-1°C
(30°F)		2°C
(36°F)		11°C
(52°F)		19°C
(67°F)		24°C
(75°F)		27°C
(80°F)		30°C
(86°F)		28°C
(83°F)		24°C
(76°F)		17°C
(62°F)		8°C
(47°F)		2°C
(36°F)
Daily mean-8°C
(18°F)		-4°C
(25°F)		5°C
(41°F)		13°C
(55°F)		18°C
(64°F)		21°C
(70°F)		23°C
(74°F)		22°C
(71°F)		17°C
(63°F)		9°C
(49°F)		1°C
(35°F)		-5°C
(24°F)
Average low-12°C
(10°F)		-9°C
(16°F)		-1°C
(31°F)		6°C
(44°F)		12°C
(53°F)		15°C
(60°F)		17°C
(63°F)		15°C
(60°F)		11°C
(52°F)		4°C
(39°F)		-3°C
(26°F)		-9°C
(17°F)
Mean minimum-18°C
(-1°F)		-15°C
(5°F)		-8°C
(18°F)		-0°C
(32°F)		7°C
(44°F)		10°C
(51°F)		14°C
(57°F)		11°C
(53°F)		6°C
(42°F)		-1°C
(30°F)		-11°C
(13°F)		-14°C
(7°F)
Minimum-24°C
(-10°F)		-18°C
(1°F)		-13°C
(10°F)		-2°C
(29°F)		4°C
(39°F)		8°C
(46°F)		10°C
(50°F)		10°C
(51°F)		4°C
(40°F)		-3°C
(27°F)		-15°C
(5°F)		-19°C
(-1°F)

Compare climate in Onyar with other places

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

Monthly average precipitation in Onyar, China

Onyar usually has the most precipitation in April, May and August, with an average of 7 rainy days and 54 mm (2.1 inches) of precipitation per month. The driest months in Onyar are January, July and December. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Onyar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)34 (1.3)44 (1.7)65 (2.6)50 (2.0)39 (1.5)26 (1.0)48 (1.9)39 (1.5)46 (1.8)32 (1.3)18 (0.7)
Average precipitation days (≥ 1 mm)5791087454865

Monthly sunshine hours in Onyar, China

The sunniest months in Onyar are May, July and August, when the sun shines an average of 12 hours 36 minutes a day. Least sunny months in Onyar: January, November and December receive an average of 7 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Onyar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours205260320333376365407389345302258242
Mean daily daylight hours9h 19m10h 28m11h 56m13h 26m14h 43m15h 21m15h 1m13h 54m12h 28m10h 58m9h 39m8h 58m

Solar UV radiation in Onyar, China

Onyar experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Onyar UV Index data.

Average daily maximum UV levels by month for Onyar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)24689101097532