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Monthly climate in Beihai, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Beihai features a humid subtropical climate (Cwa). Temperatures typically range between 17 °C (62 °F) and 29 °C (85 °F) through the year, but rarely can drop to 7 °C (45 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 2180 mm (85.8 inches) and receives 175 rainy days on the 1 mm (0.04 inches) threshold annually. Beihai enjoys an average of 3219 hours of sunshine throughout the year, and daylight varies from 10 hours 50 minutes to 13 hours 24 minutes per day.

Monthly average temperatures in Beihai, China

The warmest months in Beihai are June, July and August, with daily mean temperatures ranging from 29 to 29 °C (84 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 17 to 17 °C (62 - 64 °F) throughout the day. On average each year, Beihai experiences 183 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Beihai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum24°C
(75°F)		26°C
(79°F)		27°C
(82°F)		30°C
(86°F)		32°C
(89°F)		32°C
(89°F)		33°C
(91°F)		33°C
(92°F)		32°C
(91°F)		32°C
(89°F)		27°C
(81°F)		25°C
(78°F)
Mean maximum22°C
(72°F)		23°C
(73°F)		26°C
(79°F)		29°C
(84°F)		30°C
(87°F)		31°C
(88°F)		32°C
(90°F)		32°C
(90°F)		32°C
(90°F)		30°C
(87°F)		27°C
(81°F)		23°C
(74°F)
Average high19°C
(66°F)		19°C
(67°F)		23°C
(73°F)		25°C
(77°F)		28°C
(83°F)		30°C
(86°F)		30°C
(87°F)		30°C
(86°F)		30°C
(86°F)		27°C
(81°F)		24°C
(75°F)		20°C
(67°F)
Daily mean17°C
(62°F)		17°C
(64°F)		21°C
(70°F)		24°C
(75°F)		27°C
(81°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		25°C
(78°F)		22°C
(72°F)		17°C
(64°F)
Average low15°C
(59°F)		16°C
(61°F)		20°C
(68°F)		22°C
(73°F)		26°C
(79°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)		24°C
(75°F)		20°C
(68°F)		16°C
(60°F)
Mean minimum9°C
(48°F)		11°C
(51°F)		15°C
(59°F)		17°C
(64°F)		22°C
(73°F)		26°C
(78°F)		26°C
(80°F)		26°C
(79°F)		25°C
(77°F)		20°C
(67°F)		15°C
(59°F)		10°C
(50°F)
Minimum7°C
(45°F)		8°C
(46°F)		14°C
(57°F)		16°C
(60°F)		19°C
(66°F)		24°C
(75°F)		25°C
(78°F)		26°C
(79°F)		23°C
(74°F)		18°C
(65°F)		13°C
(56°F)		7°C
(45°F)

Compare climate in Beihai with other places

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

Monthly average precipitation in Beihai, China

Beihai usually has the most precipitation in June, July and August, with an average of 23 rainy days and 386 mm (15.2 inches) of precipitation per month. The driest months in Beihai are January, November and December. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Beihai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)34 (1.4)54 (2.1)59 (2.3)141 (5.6)195 (7.7)280 (11.0)367 (14.5)510 (20.1)278 (11.0)187 (7.4)34 (1.3)39 (1.5)
Average precipitation days (≥ 1 mm)67121218212326231467

Monthly sunshine hours in Beihai, China

The sunniest months in Beihai are May, June and July, when the sun shines an average of 10 hours 3 minutes a day. Least sunny months in Beihai: January, February and December receive an average of 7 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Beihai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours183246248271313301309281295273254240
Mean daily daylight hours10h 58m11h 25m12h 1m12h 38m13h 9m13h 24m13h 16m12h 49m12h 14m11h 37m11h 6m10h 50m

Solar UV radiation in Beihai, China

Beihai experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Beihai UV Index data.

Average daily maximum UV levels by month for Beihai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)810121213131314121187