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Monthly climate in Nantianhu, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Nantianhu features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (38 °F) and 24 °C (76 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1867 mm (73.5 inches) and receives 199 rainy days on the 1 mm (0.04 inches) threshold annually. Nantianhu enjoys an average of 2260 hours of sunshine throughout the year, and daylight varies from 10 hours 15 minutes to 14 hours 0 minutes per day.

Monthly average temperatures in Nantianhu, China

The warmest months in Nantianhu are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (71 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (38 - 42 °F) throughout the day. On average each year, Nantianhu experiences 79 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 Nantianhu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(56°F)		22°C
(71°F)		26°C
(79°F)		30°C
(85°F)		31°C
(89°F)		31°C
(88°F)		33°C
(92°F)		35°C
(95°F)		31°C
(88°F)		29°C
(85°F)		20°C
(68°F)		15°C
(60°F)
Mean maximum11°C
(52°F)		16°C
(61°F)		23°C
(74°F)		27°C
(81°F)		29°C
(85°F)		29°C
(85°F)		33°C
(91°F)		33°C
(91°F)		29°C
(85°F)		24°C
(76°F)		19°C
(66°F)		12°C
(54°F)
Average high6°C
(43°F)		8°C
(47°F)		14°C
(58°F)		19°C
(66°F)		22°C
(71°F)		25°C
(77°F)		28°C
(83°F)		29°C
(84°F)		23°C
(74°F)		17°C
(63°F)		13°C
(55°F)		7°C
(45°F)
Daily mean3°C
(38°F)		5°C
(42°F)		10°C
(51°F)		15°C
(58°F)		18°C
(65°F)		21°C
(71°F)		24°C
(76°F)		24°C
(76°F)		20°C
(68°F)		15°C
(58°F)		10°C
(49°F)		5°C
(41°F)
Average low1°C
(34°F)		2°C
(37°F)		7°C
(45°F)		11°C
(52°F)		15°C
(59°F)		18°C
(66°F)		21°C
(70°F)		21°C
(70°F)		17°C
(64°F)		12°C
(54°F)		7°C
(45°F)		2°C
(37°F)
Mean minimum-3°C
(26°F)		-2°C
(29°F)		3°C
(37°F)		7°C
(44°F)		11°C
(52°F)		15°C
(60°F)		19°C
(66°F)		17°C
(64°F)		13°C
(56°F)		7°C
(46°F)		2°C
(36°F)		-3°C
(28°F)
Minimum-5°C
(23°F)		-4°C
(25°F)		1°C
(34°F)		5°C
(41°F)		9°C
(48°F)		14°C
(57°F)		17°C
(64°F)		15°C
(59°F)		12°C
(54°F)		6°C
(43°F)		2°C
(35°F)		-4°C
(25°F)

Compare climate in Nantianhu with other places

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

Monthly average precipitation in Nantianhu, China

Nantianhu usually has the most precipitation in May, June and July, with an average of 21 rainy days and 254 mm (10.0 inches) of precipitation per month. The driest months in Nantianhu are January, February and December. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Nantianhu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)51 (2.0)67 (2.6)136 (5.3)158 (6.2)257 (10.1)234 (9.2)270 (10.6)215 (8.5)204 (8.0)146 (5.8)87 (3.4)43 (1.7)
Average precipitation days (≥ 1 mm)101219182220221919161210

Monthly sunshine hours in Nantianhu, China

The sunniest months in Nantianhu are June, July and August, when the sun shines an average of 8 hours 48 minutes a day. Least sunny months in Nantianhu: January, October and December receive an average of 4 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Nantianhu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours102150167185214227284297204138145140
Mean daily daylight hours10h 27m11h 7m11h 59m12h 53m13h 38m14h 0m13h 49m13h 9m12h 18m11h 25m10h 39m10h 15m

Solar UV radiation in Nantianhu, China

Nantianhu experiences the highest level of ultraviolet (UV) radiation in May, 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 Nantianhu UV Index data.

Average daily maximum UV levels by month for Nantianhu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)6710111212131211975