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Monthly climate in Decheng, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Decheng features a humid subtropical climate (Cfa). Temperatures typically range between 14 °C (58 °F) and 29 °C (84 °F) through the year, but rarely can drop to 1 °C (33 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1611 mm (63.4 inches) and receives 180 rainy days on the 1 mm (0.04 inches) threshold annually. Decheng enjoys an average of 2913 hours of sunshine throughout the year, and daylight varies from 10 hours 43 minutes to 13 hours 31 minutes per day.

Monthly average temperatures in Decheng, China

The warmest months in Decheng are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (82 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 15 °C (58 - 59 °F) throughout the day. On average each year, Decheng experiences 187 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 Decheng. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(80°F)		28°C
(82°F)		30°C
(87°F)		32°C
(89°F)		35°C
(96°F)		35°C
(95°F)		38°C
(101°F)		36°C
(97°F)		35°C
(96°F)		34°C
(93°F)		30°C
(86°F)		28°C
(82°F)
Mean maximum25°C
(77°F)		26°C
(80°F)		29°C
(84°F)		31°C
(88°F)		34°C
(93°F)		34°C
(93°F)		36°C
(96°F)		35°C
(95°F)		34°C
(94°F)		32°C
(90°F)		29°C
(84°F)		25°C
(78°F)
Average high18°C
(65°F)		19°C
(66°F)		22°C
(73°F)		25°C
(78°F)		29°C
(85°F)		31°C
(88°F)		33°C
(91°F)		32°C
(90°F)		31°C
(88°F)		27°C
(81°F)		24°C
(75°F)		19°C
(66°F)
Daily mean14°C
(58°F)		15°C
(59°F)		19°C
(67°F)		22°C
(71°F)		26°C
(79°F)		28°C
(82°F)		29°C
(84°F)		28°C
(83°F)		27°C
(81°F)		23°C
(74°F)		20°C
(68°F)		15°C
(59°F)
Average low11°C
(52°F)		12°C
(54°F)		16°C
(62°F)		19°C
(66°F)		23°C
(74°F)		25°C
(77°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)		20°C
(69°F)		16°C
(62°F)		11°C
(53°F)
Mean minimum4°C
(40°F)		7°C
(44°F)		11°C
(51°F)		13°C
(56°F)		18°C
(66°F)		23°C
(74°F)		24°C
(76°F)		24°C
(75°F)		22°C
(71°F)		16°C
(60°F)		11°C
(53°F)		5°C
(42°F)
Minimum1°C
(33°F)		2°C
(36°F)		7°C
(45°F)		11°C
(53°F)		15°C
(59°F)		22°C
(71°F)		23°C
(75°F)		23°C
(74°F)		20°C
(68°F)		14°C
(57°F)		11°C
(51°F)		4°C
(39°F)

Compare climate in Decheng with other places

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

Monthly average precipitation in Decheng, China

Decheng usually has the most precipitation in May, June and August, with an average of 22 rainy days and 234 mm (9.2 inches) of precipitation per month. The driest months in Decheng are January, November and December. On average, 31 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Decheng. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)40 (1.6)79 (3.1)141 (5.6)177 (7.0)179 (7.1)279 (11.0)169 (6.6)243 (9.6)166 (6.5)85 (3.3)28 (1.1)24 (1.0)
Average precipitation days (≥ 1 mm)61019192022222420954

Monthly sunshine hours in Decheng, China

The sunniest months in Decheng are July, August and September, when the sun shines an average of 9 hours 23 minutes a day. Least sunny months in Decheng: January, February and March receive an average of 6 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Decheng. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours175203191206273269300284279255233239
Mean daily daylight hours10h 51m11h 21m12h 0m12h 41m13h 15m13h 31m13h 23m12h 53m12h 15m11h 35m11h 0m10h 43m

Solar UV radiation in Decheng, China

Decheng experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Decheng UV Index data.

Average daily maximum UV levels by month for Decheng. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79121213121313111087