nomadseason

Monthly climate in Kaiyun, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kaiyun features a humid subtropical climate (Cfa). Temperatures typically range between 7 °C (44 °F) and 30 °C (87 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1649 mm (64.9 inches) and receives 157 rainy days on the 1 mm (0.04 inches) threshold annually. Kaiyun enjoys an average of 2673 hours of sunshine throughout the year, and daylight varies from 10 hours 26 minutes to 13 hours 48 minutes per day.

Monthly average temperatures in Kaiyun, China

The warmest months in Kaiyun are July, August and September, with daily mean temperatures ranging from 27 to 30 °C (81 - 87 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (44 - 48 °F) throughout the day. On average each year, Kaiyun experiences 145 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kaiyun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°C
(70°F)		26°C
(80°F)		31°C
(88°F)		33°C
(92°F)		35°C
(96°F)		36°C
(97°F)		39°C
(103°F)		40°C
(104°F)		39°C
(103°F)		38°C
(101°F)		30°C
(86°F)		23°C
(74°F)
Mean maximum18°C
(65°F)		24°C
(76°F)		29°C
(84°F)		31°C
(88°F)		33°C
(92°F)		33°C
(92°F)		38°C
(100°F)		38°C
(101°F)		37°C
(100°F)		34°C
(93°F)		27°C
(81°F)		20°C
(68°F)
Average high9°C
(49°F)		12°C
(54°F)		18°C
(64°F)		23°C
(73°F)		27°C
(81°F)		30°C
(87°F)		34°C
(93°F)		35°C
(95°F)		31°C
(88°F)		23°C
(74°F)		18°C
(66°F)		12°C
(54°F)
Daily mean7°C
(44°F)		9°C
(48°F)		14°C
(58°F)		19°C
(66°F)		23°C
(74°F)		27°C
(80°F)		30°C
(86°F)		30°C
(87°F)		27°C
(81°F)		19°C
(67°F)		15°C
(59°F)		9°C
(48°F)
Average low4°C
(40°F)		6°C
(43°F)		11°C
(52°F)		15°C
(59°F)		20°C
(68°F)		24°C
(75°F)		27°C
(81°F)		27°C
(81°F)		23°C
(74°F)		17°C
(62°F)		11°C
(53°F)		6°C
(43°F)
Mean minimum-2°C
(29°F)		1°C
(34°F)		6°C
(43°F)		9°C
(48°F)		15°C
(60°F)		20°C
(68°F)		23°C
(74°F)		24°C
(75°F)		19°C
(66°F)		11°C
(53°F)		6°C
(42°F)		-1°C
(31°F)
Minimum-5°C
(23°F)		-3°C
(26°F)		4°C
(40°F)		7°C
(44°F)		11°C
(53°F)		18°C
(65°F)		21°C
(70°F)		23°C
(73°F)		17°C
(63°F)		10°C
(51°F)		5°C
(41°F)		-2°C
(28°F)

Compare climate in Kaiyun with other places

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

Monthly average precipitation in Kaiyun, China

Kaiyun usually has the most precipitation in May, June and July, with an average of 16 rainy days and 267 mm (10.5 inches) of precipitation per month. The driest months in Kaiyun are January, October and December. On average, 52 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kaiyun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)51 (2.0)90 (3.6)190 (7.5)167 (6.6)258 (10.2)327 (12.9)216 (8.5)90 (3.5)76 (3.0)57 (2.2)79 (3.1)48 (1.9)
Average precipitation days (≥ 1 mm)8122017181812121110109

Monthly sunshine hours in Kaiyun, China

The sunniest months in Kaiyun are May, July and August, when the sun shines an average of 9 hours 37 minutes a day. Least sunny months in Kaiyun: January, February and March receive an average of 5 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kaiyun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours138174182204267257304323257187191184
Mean daily daylight hours10h 37m11h 13m12h 0m12h 48m13h 28m13h 48m13h 38m13h 3m12h 17m11h 29m10h 47m10h 26m

Solar UV radiation in Kaiyun, China

Kaiyun experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Kaiyun UV Index data.

Average daily maximum UV levels by month for Kaiyun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)679101112131210975