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Monthly climate in Ruidian, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ruidian features a subtropical climate (Cwb). Temperatures typically range between 6 °C (43 °F) and 18 °C (65 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 26 °C (80 °F). The average annual precipitation amounts to about 2461 mm (96.9 inches) and receives 219 rainy days on the 1 mm (0.04 inches) threshold annually. Ruidian enjoys an average of 3445 hours of sunshine throughout the year, and daylight varies from 10 hours 33 minutes to 13 hours 41 minutes per day.

Monthly average temperatures in Ruidian, China

The warmest months in Ruidian are June, July and August, with daily mean temperatures ranging from 18 to 18 °C (64 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (43 - 45 °F) throughout the day. On average each year, Ruidian experiences 4 days above 25 °C (77.0 °F) and 40 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ruidian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(65°F)		19°C
(67°F)		22°C
(72°F)		23°C
(74°F)		24°C
(76°F)		25°C
(78°F)		26°C
(79°F)		26°C
(80°F)		25°C
(77°F)		25°C
(77°F)		22°C
(71°F)		18°C
(65°F)
Mean maximum17°C
(62°F)		18°C
(64°F)		20°C
(69°F)		22°C
(72°F)		23°C
(74°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		25°C
(77°F)		24°C
(75°F)		20°C
(68°F)		17°C
(63°F)
Average high13°C
(56°F)		14°C
(57°F)		16°C
(61°F)		18°C
(64°F)		20°C
(68°F)		22°C
(71°F)		22°C
(71°F)		22°C
(73°F)		22°C
(72°F)		21°C
(69°F)		18°C
(64°F)		15°C
(59°F)
Daily mean6°C
(43°F)		7°C
(45°F)		10°C
(50°F)		12°C
(54°F)		15°C
(59°F)		18°C
(64°F)		18°C
(65°F)		18°C
(65°F)		17°C
(63°F)		15°C
(60°F)		10°C
(51°F)		7°C
(45°F)
Average low-0°C
(32°F)		1°C
(34°F)		4°C
(39°F)		7°C
(45°F)		11°C
(52°F)		15°C
(59°F)		16°C
(60°F)		16°C
(60°F)		14°C
(58°F)		11°C
(52°F)		5°C
(41°F)		1°C
(34°F)
Mean minimum-3°C
(26°F)		-4°C
(26°F)		-0°C
(32°F)		4°C
(39°F)		7°C
(45°F)		12°C
(54°F)		14°C
(58°F)		13°C
(56°F)		12°C
(54°F)		7°C
(45°F)		1°C
(34°F)		-3°C
(28°F)
Minimum-5°C
(24°F)		-7°C
(19°F)		-2°C
(29°F)		3°C
(37°F)		6°C
(43°F)		11°C
(52°F)		13°C
(56°F)		12°C
(54°F)		8°C
(47°F)		4°C
(39°F)		-0°C
(32°F)		-3°C
(26°F)

Compare climate in Ruidian with other places

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

Monthly average precipitation in Ruidian, China

Ruidian usually has the most precipitation in June, July and August, with an average of 29 rainy days and 412 mm (16.2 inches) of precipitation per month. The driest months in Ruidian are January, November and December. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ruidian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)90 (3.5)149 (5.9)192 (7.6)228 (9.0)363 (14.3)486 (19.1)386 (15.2)265 (10.4)186 (7.3)38 (1.5)31 (1.2)
Average precipitation days (≥ 1 mm)610151924283030281964

Monthly sunshine hours in Ruidian, China

The sunniest months in Ruidian are March, April and May, when the sun shines an average of 10 hours 50 minutes a day. Least sunny months in Ruidian: January, July and August receive an average of 7 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ruidian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours251293335321339257205256272299302309
Mean daily daylight hours10h 43m11h 17m12h 0m12h 45m13h 22m13h 41m13h 31m12h 59m12h 16m11h 31m10h 53m10h 33m

Solar UV radiation in Ruidian, China

Ruidian experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 15 - 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 Ruidian UV Index data.

Average daily maximum UV levels by month for Ruidian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79111314151615141297