nomadseason

Monthly climate in Dainan, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Dainan features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 29 °C (85 °F) through the year, but rarely can drop to -9 °C (17 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 1334 mm (52.5 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually. Dainan enjoys an average of 2887 hours of sunshine throughout the year, and daylight varies from 10 hours 8 minutes to 14 hours 8 minutes per day.

Monthly average temperatures in Dainan, China

The warmest months in Dainan are June, July and August, with daily mean temperatures ranging from 26 to 29 °C (79 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (41 - 44 °F) throughout the day. On average each year, Dainan experiences 139 days above 25 °C (77.0 °F) and 19 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Dainan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(66°F)		26°C
(80°F)		30°C
(86°F)		33°C
(91°F)		36°C
(97°F)		37°C
(99°F)		39°C
(103°F)		37°C
(99°F)		37°C
(98°F)		38°C
(100°F)		29°C
(84°F)		22°C
(71°F)
Mean maximum16°C
(61°F)		21°C
(71°F)		27°C
(81°F)		31°C
(88°F)		35°C
(94°F)		34°C
(94°F)		37°C
(100°F)		36°C
(98°F)		34°C
(93°F)		32°C
(90°F)		25°C
(77°F)		18°C
(65°F)
Average high8°C
(47°F)		11°C
(52°F)		17°C
(63°F)		22°C
(72°F)		27°C
(81°F)		30°C
(86°F)		32°C
(90°F)		33°C
(91°F)		29°C
(84°F)		23°C
(74°F)		18°C
(65°F)		11°C
(52°F)
Daily mean5°C
(41°F)		7°C
(44°F)		13°C
(55°F)		17°C
(64°F)		23°C
(73°F)		26°C
(79°F)		29°C
(84°F)		29°C
(85°F)		25°C
(77°F)		19°C
(66°F)		13°C
(56°F)		7°C
(44°F)
Average low2°C
(36°F)		3°C
(38°F)		8°C
(47°F)		13°C
(55°F)		18°C
(65°F)		22°C
(72°F)		26°C
(78°F)		26°C
(79°F)		22°C
(71°F)		15°C
(59°F)		9°C
(49°F)		3°C
(38°F)
Mean minimum-6°C
(22°F)		-2°C
(28°F)		3°C
(38°F)		7°C
(44°F)		13°C
(56°F)		18°C
(66°F)		23°C
(73°F)		22°C
(73°F)		17°C
(62°F)		8°C
(47°F)		3°C
(37°F)		-4°C
(25°F)
Minimum-9°C
(17°F)		-8°C
(18°F)		2°C
(35°F)		6°C
(43°F)		12°C
(53°F)		17°C
(62°F)		20°C
(69°F)		20°C
(69°F)		16°C
(60°F)		7°C
(46°F)		1°C
(34°F)		-6°C
(22°F)

Compare climate in Dainan with other places

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

Monthly average precipitation in Dainan, China

Dainan usually has the most precipitation in June, July and August, with an average of 13 rainy days and 219 mm (8.6 inches) of precipitation per month. The driest months in Dainan are October, November and December. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dainan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)63 (2.5)69 (2.7)97 (3.8)79 (3.1)136 (5.3)233 (9.2)269 (10.6)155 (6.1)95 (3.8)53 (2.1)42 (1.7)44 (1.7)
Average precipitation days (≥ 1 mm)89129111315139677

Monthly sunshine hours in Dainan, China

The sunniest months in Dainan are May, July and August, when the sun shines an average of 9 hours 19 minutes a day. Least sunny months in Dainan: January, February and December receive an average of 6 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dainan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours150202227247281269291293256231222213
Mean daily daylight hours10h 20m11h 3m11h 59m12h 56m13h 44m14h 8m13h 56m13h 14m12h 19m11h 22m10h 33m10h 8m

Solar UV radiation in Dainan, China

Dainan experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, 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 Dainan UV Index data.

Average daily maximum UV levels by month for Dainan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)568101111111110864