nomadseason

Monthly climate in Nanhai, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Nanhai features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 29 °C (84 °F) through the year, but rarely can drop to -4 °C (24 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1276 mm (50.2 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually. Nanhai enjoys an average of 2909 hours of sunshine throughout the year, and daylight varies from 10 hours 13 minutes to 14 hours 2 minutes per day.

Monthly average temperatures in Nanhai, China

The warmest months in Nanhai are June, July and August, with daily mean temperatures ranging from 26 to 29 °C (79 - 84 °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 - 46 °F) throughout the day. On average each year, Nanhai experiences 129 days above 25 °C (77.0 °F) and 10 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Nanhai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum20°C
(68°F)		27°C
(81°F)		29°C
(85°F)		33°C
(91°F)		36°C
(97°F)		36°C
(97°F)		38°C
(101°F)		38°C
(101°F)		36°C
(97°F)		36°C
(97°F)		27°C
(81°F)		19°C
(67°F)
Mean maximum15°C
(60°F)		21°C
(69°F)		27°C
(80°F)		31°C
(89°F)		34°C
(94°F)		34°C
(93°F)		36°C
(97°F)		37°C
(99°F)		34°C
(94°F)		31°C
(89°F)		25°C
(77°F)		17°C
(63°F)
Average high8°C
(47°F)		11°C
(53°F)		17°C
(63°F)		22°C
(72°F)		26°C
(80°F)		30°C
(85°F)		32°C
(90°F)		33°C
(91°F)		28°C
(84°F)		22°C
(71°F)		17°C
(64°F)		11°C
(52°F)
Daily mean5°C
(41°F)		7°C
(46°F)		13°C
(56°F)		18°C
(64°F)		22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		29°C
(84°F)		25°C
(77°F)		18°C
(65°F)		13°C
(56°F)		7°C
(45°F)
Average low2°C
(37°F)		4°C
(39°F)		9°C
(49°F)		14°C
(57°F)		18°C
(65°F)		23°C
(73°F)		25°C
(78°F)		26°C
(79°F)		21°C
(71°F)		15°C
(59°F)		10°C
(51°F)		4°C
(40°F)
Mean minimum-2°C
(29°F)		-0°C
(32°F)		4°C
(40°F)		8°C
(47°F)		14°C
(57°F)		19°C
(66°F)		22°C
(72°F)		22°C
(71°F)		18°C
(64°F)		11°C
(52°F)		5°C
(41°F)		-1°C
(30°F)
Minimum-4°C
(24°F)		-4°C
(25°F)		3°C
(37°F)		6°C
(43°F)		12°C
(54°F)		17°C
(62°F)		21°C
(70°F)		19°C
(67°F)		16°C
(61°F)		10°C
(50°F)		3°C
(38°F)		-3°C
(28°F)

Compare climate in Nanhai with other places

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

Monthly average precipitation in Nanhai, China

Nanhai usually has the most precipitation in May, June and July, with an average of 14 rainy days and 191 mm (7.5 inches) of precipitation per month. The driest months in Nanhai are January, February and December. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Nanhai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.6)43 (1.7)91 (3.6)120 (4.7)176 (6.9)215 (8.5)182 (7.2)166 (6.5)100 (3.9)71 (2.8)45 (1.8)25 (1.0)
Average precipitation days (≥ 1 mm)6912121314161611986

Monthly sunshine hours in Nanhai, China

The sunniest months in Nanhai are June, July and August, when the sun shines an average of 9 hours 33 minutes a day. Least sunny months in Nanhai: January, October and November receive an average of 6 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Nanhai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours167221234242267272300306249213212221
Mean daily daylight hours10h 25m11h 6m11h 59m12h 54m13h 39m14h 2m13h 51m13h 11m12h 19m11h 24m10h 37m10h 13m

Solar UV radiation in Nanhai, China

Nanhai experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, 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 Nanhai UV Index data.

Average daily maximum UV levels by month for Nanhai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)568101011121110964