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Monthly climate in Tanwan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tanwan features a humid subtropical climate (Cfa). Temperatures typically range between 6 °C (42 °F) and 29 °C (84 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 1661 mm (65.4 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually. Tanwan enjoys an average of 2646 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 52 minutes per day.

Monthly average temperatures in Tanwan, China

The warmest months in Tanwan are June, July and August, with daily mean temperatures ranging from 25 to 29 °C (78 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (42 - 46 °F) throughout the day. On average each year, Tanwan experiences 129 days above 25 °C (77.0 °F) and 9 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tanwan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(67°F)		27°C
(80°F)		30°C
(87°F)		33°C
(92°F)		34°C
(94°F)		35°C
(95°F)		41°C
(106°F)		39°C
(103°F)		37°C
(98°F)		37°C
(99°F)		29°C
(85°F)		20°C
(68°F)
Mean maximum16°C
(60°F)		22°C
(72°F)		28°C
(83°F)		31°C
(88°F)		33°C
(92°F)		33°C
(92°F)		37°C
(99°F)		38°C
(101°F)		35°C
(96°F)		32°C
(89°F)		26°C
(79°F)		18°C
(64°F)
Average high8°C
(47°F)		11°C
(52°F)		17°C
(62°F)		22°C
(71°F)		26°C
(79°F)		29°C
(85°F)		33°C
(91°F)		33°C
(92°F)		29°C
(84°F)		22°C
(71°F)		17°C
(63°F)		11°C
(52°F)
Daily mean6°C
(42°F)		8°C
(46°F)		13°C
(56°F)		17°C
(63°F)		22°C
(71°F)		25°C
(78°F)		28°C
(84°F)		29°C
(84°F)		25°C
(77°F)		18°C
(65°F)		13°C
(56°F)		8°C
(46°F)
Average low3°C
(38°F)		5°C
(40°F)		10°C
(50°F)		13°C
(56°F)		18°C
(65°F)		22°C
(72°F)		25°C
(77°F)		25°C
(78°F)		22°C
(71°F)		15°C
(59°F)		10°C
(50°F)		5°C
(41°F)
Mean minimum-2°C
(29°F)		0°C
(33°F)		5°C
(41°F)		8°C
(46°F)		14°C
(57°F)		19°C
(66°F)		22°C
(72°F)		22°C
(72°F)		18°C
(64°F)		10°C
(50°F)		5°C
(40°F)		-1°C
(30°F)
Minimum-5°C
(24°F)		-4°C
(26°F)		3°C
(38°F)		7°C
(44°F)		12°C
(53°F)		16°C
(62°F)		19°C
(67°F)		20°C
(69°F)		16°C
(60°F)		7°C
(45°F)		4°C
(39°F)		-4°C
(25°F)

Compare climate in Tanwan with other places

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

Monthly average precipitation in Tanwan, China

Tanwan usually has the most precipitation in March, May and June, with an average of 18 rainy days and 234 mm (9.2 inches) of precipitation per month. The driest months in Tanwan are January, November and December. On average, 68 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tanwan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)75 (2.9)97 (3.8)203 (8.0)165 (6.5)269 (10.6)229 (9.0)183 (7.2)118 (4.7)104 (4.1)89 (3.5)74 (2.9)55 (2.2)
Average precipitation days (≥ 1 mm)101520171718151312111210

Monthly sunshine hours in Tanwan, China

The sunniest months in Tanwan are May, July and August, when the sun shines an average of 9 hours 25 minutes a day. Least sunny months in Tanwan: January, February and December 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 Tanwan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours130179185207264259299313241194185185
Mean daily daylight hours10h 34m11h 11m11h 59m12h 49m13h 31m13h 52m13h 41m13h 5m12h 17m11h 28m10h 45m10h 23m

Solar UV radiation in Tanwan, China

Tanwan 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 Tanwan UV Index data.

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