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Monthly climate in Menghai, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Menghai features a humid subtropical climate (Cwa). Temperatures typically range between 15 °C (59 °F) and 24 °C (76 °F) through the year, but rarely can drop to 4 °C (39 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1658 mm (65.3 inches) and receives 181 rainy days on the 1 mm (0.04 inches) threshold annually. Menghai enjoys an average of 3404 hours of sunshine throughout the year, and daylight varies from 10 hours 48 minutes to 13 hours 26 minutes per day.

Monthly average temperatures in Menghai, China

The warmest months in Menghai are May, June and July, with daily mean temperatures ranging from 24 to 24 °C (75 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 15 to 16 °C (59 - 62 °F) throughout the day. On average each year, Menghai experiences 240 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 Menghai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(82°F)		30°C
(86°F)		35°C
(94°F)		35°C
(96°F)		38°C
(101°F)		33°C
(91°F)		32°C
(90°F)		33°C
(91°F)		32°C
(90°F)		30°C
(86°F)		29°C
(85°F)		27°C
(81°F)
Mean maximum27°C
(80°F)		29°C
(84°F)		32°C
(91°F)		34°C
(94°F)		34°C
(94°F)		30°C
(87°F)		31°C
(89°F)		31°C
(89°F)		31°C
(89°F)		30°C
(86°F)		28°C
(83°F)		26°C
(80°F)
Average high23°C
(73°F)		25°C
(77°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)		29°C
(84°F)		28°C
(83°F)		28°C
(82°F)		28°C
(83°F)		26°C
(79°F)		25°C
(77°F)		22°C
(72°F)
Daily mean15°C
(60°F)		16°C
(62°F)		20°C
(68°F)		22°C
(71°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		21°C
(70°F)		19°C
(66°F)		15°C
(59°F)
Average low10°C
(51°F)		10°C
(50°F)		13°C
(56°F)		16°C
(61°F)		19°C
(67°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		18°C
(65°F)		15°C
(58°F)		11°C
(52°F)
Mean minimum6°C
(43°F)		7°C
(44°F)		9°C
(48°F)		12°C
(55°F)		16°C
(61°F)		20°C
(68°F)		20°C
(68°F)		19°C
(67°F)		18°C
(65°F)		15°C
(59°F)		11°C
(51°F)		6°C
(43°F)
Minimum4°C
(40°F)		5°C
(42°F)		8°C
(47°F)		11°C
(51°F)		14°C
(58°F)		19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		16°C
(60°F)		14°C
(58°F)		10°C
(50°F)		4°C
(39°F)

Compare climate in Menghai with other places

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

Monthly average precipitation in Menghai, China

Menghai usually has the most precipitation in June, July and August, with an average of 27 rainy days and 278 mm (11.0 inches) of precipitation per month. The driest months in Menghai are February, March and December. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Menghai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)27 (1.1)32 (1.2)106 (4.2)141 (5.5)243 (9.6)291 (11.5)301 (11.8)200 (7.9)174 (6.8)61 (2.4)40 (1.6)
Average precipitation days (≥ 1 mm)63411132629282321116

Monthly sunshine hours in Menghai, China

The sunniest months in Menghai are March, April and May, when the sun shines an average of 10 hours 33 minutes a day. Least sunny months in Menghai: January, July and August receive an average of 7 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Menghai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours231287329306335280254253274275282294
Mean daily daylight hours10h 56m11h 24m12h 1m12h 39m13h 10m13h 26m13h 18m12h 50m12h 14m11h 37m11h 4m10h 48m

Solar UV radiation in Menghai, China

Menghai experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. January, February and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Menghai UV Index data.

Average daily maximum UV levels by month for Menghai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)9101313151515141412108