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Monthly climate in Yunnanyi, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Yunnanyi features a subtropical climate (Cwb). Temperatures typically range between 10 °C (51 °F) and 23 °C (74 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 743 mm (29.3 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually. Yunnanyi enjoys an average of 3549 hours of sunshine throughout the year, and daylight varies from 10 hours 34 minutes to 13 hours 40 minutes per day.

Monthly average temperatures in Yunnanyi, China

The warmest months in Yunnanyi are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (51 - 54 °F) throughout the day. On average each year, Yunnanyi experiences 125 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Yunnanyi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum22°C
(72°F)		25°C
(77°F)		29°C
(85°F)		30°C
(87°F)		33°C
(92°F)		33°C
(92°F)		31°C
(88°F)		32°C
(89°F)		29°C
(84°F)		29°C
(85°F)		26°C
(79°F)		23°C
(74°F)
Mean maximum21°C
(70°F)		24°C
(75°F)		27°C
(81°F)		30°C
(86°F)		31°C
(88°F)		31°C
(89°F)		30°C
(86°F)		30°C
(87°F)		28°C
(83°F)		27°C
(82°F)		24°C
(76°F)		21°C
(70°F)
Average high17°C
(64°F)		19°C
(67°F)		23°C
(73°F)		24°C
(76°F)		27°C
(80°F)		28°C
(83°F)		26°C
(79°F)		26°C
(79°F)		25°C
(77°F)		23°C
(74°F)		22°C
(71°F)		18°C
(65°F)
Daily mean10°C
(51°F)		12°C
(54°F)		16°C
(61°F)		18°C
(65°F)		21°C
(70°F)		23°C
(74°F)		21°C
(71°F)		21°C
(70°F)		20°C
(69°F)		18°C
(65°F)		14°C
(58°F)		11°C
(51°F)
Average low4°C
(39°F)		5°C
(42°F)		9°C
(48°F)		12°C
(54°F)		16°C
(61°F)		19°C
(66°F)		18°C
(65°F)		18°C
(64°F)		17°C
(63°F)		14°C
(58°F)		8°C
(47°F)		4°C
(40°F)
Mean minimum0°C
(33°F)		1°C
(34°F)		5°C
(41°F)		8°C
(46°F)		11°C
(53°F)		16°C
(60°F)		16°C
(60°F)		16°C
(60°F)		14°C
(57°F)		10°C
(50°F)		4°C
(40°F)		-0°C
(32°F)
Minimum-1°C
(30°F)		0°C
(33°F)		3°C
(37°F)		5°C
(41°F)		8°C
(47°F)		14°C
(58°F)		14°C
(57°F)		14°C
(58°F)		12°C
(54°F)		7°C
(45°F)		3°C
(37°F)		-2°C
(29°F)

Compare climate in Yunnanyi with other places

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

Monthly average precipitation in Yunnanyi, China

Yunnanyi usually has the most precipitation in July, August and September, with an average of 21 rainy days and 155 mm (6.1 inches) of precipitation per month. The driest months in Yunnanyi are February, March and December. On average, 11 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yunnanyi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)17 (0.7)11 (0.4)14 (0.6)37 (1.4)36 (1.4)89 (3.5)193 (7.6)181 (7.1)91 (3.6)50 (2.0)14 (0.6)10 (0.4)
Average precipitation days (≥ 1 mm)23354122323181022

Monthly sunshine hours in Yunnanyi, China

The sunniest months in Yunnanyi are March, April and May, when the sun shines an average of 10 hours 43 minutes a day. Least sunny months in Yunnanyi: January, July and October receive an average of 8 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yunnanyi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours244287337311337303275299280276293300
Mean daily daylight hours10h 44m11h 17m12h 0m12h 45m13h 22m13h 40m13h 31m12h 58m12h 16m11h 32m10h 53m10h 34m

Solar UV radiation in Yunnanyi, China

Yunnanyi experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 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 Yunnanyi UV Index data.

Average daily maximum UV levels by month for Yunnanyi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)89121315141515141297