nomadseason

Monthly climate in Ciyun, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ciyun features a humid subtropical climate (Cfa). Temperatures typically range between 8 °C (47 °F) and 29 °C (84 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1235 mm (48.6 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually. Ciyun enjoys an average of 2426 hours of sunshine throughout the year, and daylight varies from 10 hours 19 minutes to 13 hours 56 minutes per day.

Monthly average temperatures in Ciyun, China

The warmest months in Ciyun are June, July and August, with daily mean temperatures ranging from 25 to 29 °C (76 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 10 °C (47 - 50 °F) throughout the day. On average each year, Ciyun experiences 122 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ciyun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(62°F)		27°C
(81°F)		33°C
(91°F)		36°C
(97°F)		37°C
(99°F)		36°C
(97°F)		40°C
(104°F)		40°C
(104°F)		37°C
(99°F)		36°C
(97°F)		26°C
(79°F)		18°C
(65°F)
Mean maximum15°C
(60°F)		21°C
(71°F)		28°C
(83°F)		32°C
(90°F)		34°C
(94°F)		34°C
(94°F)		38°C
(101°F)		38°C
(101°F)		34°C
(94°F)		29°C
(85°F)		24°C
(75°F)		16°C
(61°F)
Average high10°C
(51°F)		13°C
(56°F)		19°C
(66°F)		23°C
(74°F)		26°C
(79°F)		28°C
(83°F)		32°C
(90°F)		33°C
(92°F)		27°C
(81°F)		20°C
(69°F)		16°C
(61°F)		11°C
(53°F)
Daily mean8°C
(47°F)		10°C
(50°F)		15°C
(60°F)		19°C
(66°F)		22°C
(72°F)		25°C
(76°F)		28°C
(83°F)		29°C
(84°F)		24°C
(75°F)		18°C
(64°F)		13°C
(56°F)		9°C
(49°F)
Average low6°C
(43°F)		7°C
(45°F)		12°C
(54°F)		15°C
(60°F)		18°C
(65°F)		22°C
(71°F)		25°C
(77°F)		25°C
(77°F)		21°C
(70°F)		16°C
(61°F)		11°C
(52°F)		7°C
(45°F)
Mean minimum1°C
(34°F)		3°C
(38°F)		7°C
(45°F)		11°C
(52°F)		14°C
(58°F)		18°C
(65°F)		22°C
(71°F)		21°C
(70°F)		17°C
(64°F)		12°C
(53°F)		6°C
(44°F)		2°C
(36°F)
Minimum-2°C
(29°F)		1°C
(33°F)		6°C
(44°F)		8°C
(47°F)		12°C
(53°F)		16°C
(61°F)		20°C
(68°F)		19°C
(66°F)		17°C
(63°F)		10°C
(49°F)		5°C
(42°F)		0°C
(32°F)

Compare climate in Ciyun with other places

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

Monthly average precipitation in Ciyun, China

Ciyun usually has the most precipitation in June, July and August, with an average of 16 rainy days and 176 mm (6.9 inches) of precipitation per month. The driest months in Ciyun are January, February and December. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ciyun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)35 (1.4)35 (1.4)62 (2.5)95 (3.7)134 (5.3)154 (6.1)172 (6.8)200 (7.9)153 (6.0)107 (4.2)48 (1.9)38 (1.5)
Average precipitation days (≥ 1 mm)9914151818171517171011

Monthly sunshine hours in Ciyun, China

The sunniest months in Ciyun are June, July and August, when the sun shines an average of 9 hours 34 minutes a day. Least sunny months in Ciyun: January, October and December receive an average of 3 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ciyun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours100153186214251260306313225140150122
Mean daily daylight hours10h 30m11h 9m11h 59m12h 51m13h 35m13h 56m13h 45m13h 7m12h 18m11h 26m10h 42m10h 19m

Solar UV radiation in Ciyun, China

Ciyun experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 12, 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 6. For more detailed information, check out our hourly Ciyun UV Index data.

Average daily maximum UV levels by month for Ciyun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)56810111112129964