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Monthly climate in Guangzhou, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Guangzhou features a humid subtropical climate (Cwa). Temperatures typically range between 16 °C (61 °F) and 30 °C (86 °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 1746 mm (68.7 inches) and receives 166 rainy days on the 1 mm (0.04 inches) threshold annually. Guangzhou enjoys an average of 2967 hours of sunshine throughout the year, and daylight varies from 10 hours 44 minutes to 13 hours 30 minutes per day.

Monthly average temperatures in Guangzhou, China

The warmest months in Guangzhou are June, July and August, with daily mean temperatures ranging from 29 to 30 °C (85 - 86 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 17 °C (61 - 63 °F) throughout the day. On average each year, Guangzhou experiences 220 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 Guangzhou. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(83°F)		30°C
(86°F)		32°C
(90°F)		34°C
(93°F)		36°C
(97°F)		36°C
(98°F)		38°C
(100°F)		38°C
(101°F)		36°C
(97°F)		35°C
(95°F)		31°C
(88°F)		29°C
(85°F)
Mean maximum26°C
(79°F)		28°C
(82°F)		30°C
(87°F)		32°C
(90°F)		35°C
(95°F)		35°C
(95°F)		37°C
(99°F)		36°C
(97°F)		35°C
(96°F)		34°C
(93°F)		30°C
(87°F)		27°C
(81°F)
Average high20°C
(69°F)		21°C
(69°F)		25°C
(76°F)		27°C
(80°F)		30°C
(87°F)		32°C
(90°F)		33°C
(93°F)		33°C
(92°F)		33°C
(91°F)		29°C
(84°F)		26°C
(78°F)		21°C
(70°F)
Daily mean16°C
(61°F)		17°C
(62°F)		21°C
(70°F)		23°C
(74°F)		27°C
(81°F)		29°C
(85°F)		30°C
(86°F)		29°C
(85°F)		29°C
(84°F)		25°C
(78°F)		22°C
(71°F)		17°C
(63°F)
Average low13°C
(55°F)		13°C
(56°F)		18°C
(65°F)		20°C
(69°F)		24°C
(76°F)		27°C
(80°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		22°C
(73°F)		18°C
(66°F)		14°C
(57°F)
Mean minimum7°C
(44°F)		8°C
(47°F)		12°C
(54°F)		15°C
(59°F)		19°C
(67°F)		25°C
(77°F)		26°C
(78°F)		25°C
(77°F)		24°C
(75°F)		18°C
(65°F)		14°C
(57°F)		8°C
(46°F)
Minimum4°C
(39°F)		5°C
(41°F)		9°C
(49°F)		12°C
(54°F)		15°C
(60°F)		23°C
(74°F)		25°C
(77°F)		25°C
(77°F)		21°C
(70°F)		17°C
(63°F)		12°C
(53°F)		7°C
(45°F)

Compare climate in Guangzhou with other places

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

Monthly average precipitation in Guangzhou, China

Guangzhou usually has the most precipitation in May, June and August, with an average of 22 rainy days and 291 mm (11.5 inches) of precipitation per month. The driest months in Guangzhou are January, November and December. On average, 22 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Guangzhou. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)26 (1.0)62 (2.4)110 (4.3)148 (5.8)222 (8.7)361 (14.2)188 (7.4)292 (11.5)199 (7.8)97 (3.8)21 (0.8)19 (0.7)
Average precipitation days (≥ 1 mm)3814142023222421953

Monthly sunshine hours in Guangzhou, China

The sunniest months in Guangzhou are May, July and August, when the sun shines an average of 9 hours 8 minutes a day. Least sunny months in Guangzhou: January, March and April receive an average of 6 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guangzhou. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours194215206212274255301273271267242252
Mean daily daylight hours10h 53m11h 22m12h 1m12h 40m13h 13m13h 30m13h 22m12h 53m12h 15m11h 35m11h 1m10h 44m

Solar UV radiation in Guangzhou, China

Guangzhou experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 13 - 13, 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 Guangzhou UV Index data.

Average daily maximum UV levels by month for Guangzhou. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)79111213131312111097