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Monthly climate in Baiyun, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Baiyun features a humid subtropical climate (Cfa). Temperatures typically range between 9 °C (49 °F) and 30 °C (86 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1540 mm (60.6 inches) and receives 148 rainy days on the 1 mm (0.04 inches) threshold annually. Baiyun enjoys an average of 2879 hours of sunshine throughout the year, and daylight varies from 10 hours 20 minutes to 13 hours 55 minutes per day.

Monthly average temperatures in Baiyun, China

The warmest months in Baiyun are July, August and September, with daily mean temperatures ranging from 27 to 30 °C (81 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 11 °C (49 - 52 °F) throughout the day. On average each year, Baiyun experiences 137 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 Baiyun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(74°F)		27°C
(81°F)		29°C
(85°F)		33°C
(91°F)		34°C
(94°F)		37°C
(99°F)		39°C
(102°F)		39°C
(102°F)		38°C
(100°F)		35°C
(96°F)		30°C
(85°F)		24°C
(75°F)
Mean maximum21°C
(70°F)		22°C
(72°F)		25°C
(77°F)		30°C
(86°F)		32°C
(90°F)		33°C
(92°F)		37°C
(98°F)		36°C
(98°F)		35°C
(96°F)		32°C
(89°F)		26°C
(79°F)		20°C
(69°F)
Average high12°C
(54°F)		13°C
(55°F)		17°C
(64°F)		22°C
(72°F)		26°C
(79°F)		29°C
(84°F)		33°C
(91°F)		33°C
(92°F)		30°C
(86°F)		25°C
(77°F)		20°C
(68°F)		14°C
(58°F)
Daily mean9°C
(49°F)		10°C
(50°F)		14°C
(57°F)		18°C
(65°F)		23°C
(73°F)		26°C
(78°F)		29°C
(85°F)		30°C
(86°F)		27°C
(81°F)		22°C
(71°F)		17°C
(62°F)		11°C
(52°F)
Average low7°C
(44°F)		7°C
(45°F)		11°C
(53°F)		15°C
(60°F)		20°C
(68°F)		23°C
(74°F)		27°C
(81°F)		27°C
(81°F)		24°C
(76°F)		19°C
(67°F)		14°C
(58°F)		8°C
(47°F)
Mean minimum-0°C
(32°F)		3°C
(37°F)		7°C
(44°F)		9°C
(49°F)		16°C
(61°F)		20°C
(68°F)		25°C
(77°F)		25°C
(78°F)		21°C
(70°F)		13°C
(56°F)		9°C
(49°F)		2°C
(35°F)
Minimum-3°C
(27°F)		-1°C
(31°F)		5°C
(41°F)		8°C
(47°F)		13°C
(56°F)		19°C
(66°F)		23°C
(74°F)		24°C
(75°F)		19°C
(67°F)		12°C
(55°F)		6°C
(44°F)		-1°C
(31°F)

Compare climate in Baiyun with other places

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

Monthly average precipitation in Baiyun, China

Baiyun usually has the most precipitation in June, July and August, with an average of 18 rainy days and 222 mm (8.7 inches) of precipitation per month. The driest months in Baiyun are January, February and December. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Baiyun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)51 (2.0)54 (2.1)110 (4.3)94 (3.7)182 (7.2)248 (9.8)227 (8.9)190 (7.5)144 (5.7)124 (4.9)71 (2.8)45 (1.8)
Average precipitation days (≥ 1 mm)7815121319162014798

Monthly sunshine hours in Baiyun, China

The sunniest months in Baiyun are May, July and August, when the sun shines an average of 9 hours 20 minutes a day. Least sunny months in Baiyun: January, February and December receive an average of 6 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Baiyun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours165200232258271228287309263239213208
Mean daily daylight hours10h 31m11h 9m11h 59m12h 51m13h 34m13h 55m13h 44m13h 7m12h 18m11h 27m10h 42m10h 20m

Solar UV radiation in Baiyun, China

Baiyun experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 12 - 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 7. For more detailed information, check out our hourly Baiyun UV Index data.

Average daily maximum UV levels by month for Baiyun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)679101212121211975