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Monthly climate in Tongchang, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tongchang features a subtropical climate (Cwb). Temperatures typically range between 11 °C (53 °F) and 23 °C (74 °F) through the year, but rarely can drop to -2 °C (28 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 1011 mm (39.8 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually. Tongchang enjoys an average of 3453 hours of sunshine throughout the year, and daylight varies from 10 hours 37 minutes to 13 hours 37 minutes per day.

Monthly average temperatures in Tongchang, China

The warmest months in Tongchang are May, June and July, with daily mean temperatures ranging from 22 to 23 °C (72 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 11 to 13 °C (53 - 56 °F) throughout the day. On average each year, Tongchang experiences 142 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 Tongchang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(73°F)		26°C
(79°F)		31°C
(87°F)		33°C
(92°F)		35°C
(96°F)		34°C
(93°F)		31°C
(87°F)		31°C
(89°F)		29°C
(85°F)		28°C
(83°F)		26°C
(78°F)		23°C
(73°F)
Mean maximum22°C
(71°F)		25°C
(77°F)		29°C
(84°F)		31°C
(89°F)		32°C
(90°F)		31°C
(88°F)		30°C
(86°F)		30°C
(86°F)		29°C
(84°F)		27°C
(81°F)		24°C
(76°F)		22°C
(71°F)
Average high18°C
(64°F)		20°C
(68°F)		24°C
(76°F)		26°C
(79°F)		28°C
(82°F)		28°C
(83°F)		26°C
(79°F)		26°C
(80°F)		25°C
(78°F)		23°C
(73°F)		21°C
(71°F)		18°C
(65°F)
Daily mean11°C
(53°F)		13°C
(56°F)		18°C
(65°F)		20°C
(68°F)		22°C
(73°F)		23°C
(74°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		18°C
(65°F)		15°C
(59°F)		12°C
(53°F)
Average low6°C
(43°F)		7°C
(46°F)		11°C
(53°F)		14°C
(58°F)		17°C
(64°F)		20°C
(68°F)		19°C
(66°F)		19°C
(66°F)		18°C
(64°F)		15°C
(59°F)		10°C
(51°F)		7°C
(44°F)
Mean minimum2°C
(36°F)		2°C
(36°F)		7°C
(45°F)		9°C
(48°F)		13°C
(56°F)		16°C
(62°F)		17°C
(62°F)		17°C
(62°F)		15°C
(59°F)		10°C
(51°F)		6°C
(43°F)		1°C
(34°F)
Minimum1°C
(34°F)		1°C
(35°F)		6°C
(43°F)		5°C
(42°F)		10°C
(50°F)		15°C
(60°F)		14°C
(57°F)		16°C
(61°F)		12°C
(53°F)		9°C
(48°F)		4°C
(40°F)		-2°C
(28°F)

Compare climate in Tongchang with other places

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

Monthly average precipitation in Tongchang, China

Tongchang usually has the most precipitation in June, July and August, with an average of 22 rainy days and 204 mm (8.1 inches) of precipitation per month. The driest months in Tongchang are February, March and December. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tongchang. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)36 (1.4)15 (0.6)15 (0.6)48 (1.9)46 (1.8)140 (5.5)254 (10.0)219 (8.6)123 (4.9)72 (2.8)25 (1.0)17 (0.7)
Average precipitation days (≥ 1 mm)33367182525231553

Monthly sunshine hours in Tongchang, China

The sunniest months in Tongchang are March, April and May, when the sun shines an average of 10 hours 28 minutes a day. Least sunny months in Tongchang: January, February and October receive an average of 8 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tongchang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours230273326304333299277298288259280280
Mean daily daylight hours10h 46m11h 18m12h 0m12h 43m13h 20m13h 37m13h 28m12h 57m12h 16m11h 33m10h 56m10h 37m

Solar UV radiation in Tongchang, China

Tongchang experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 14 - 16, which corresponds to the Extreme category of sun exposure. January, February and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Tongchang UV Index data.

Average daily maximum UV levels by month for Tongchang. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)89121314141614131297