Guangzhou Weather

Despite being located just south of the Tropic of Cancer, Guangzhou has a humid subtropical climate influenced by the East Asian monsoon. Summers are wet with high temperatures, high humidity, and a high heat index. Winters are mild and comparatively dry. Guangzhou has a lengthy monsoon season, spanning from April through September. Monthly averages range from 13.9 °C (57.0 °F) in January to 28.9 °C (84.0 °F) in July, while the annual mean is 22.6 °C (72.7 °F). Autumn, from October to December, is very moderate, cool and windy, and is the best travel time. The relative humidity is approximately 68 percent, whereas annual rainfall in the metropolitan area is over 1,700 mm (67 in). With monthly percent possible sunshine ranging from 17 percent in March and April to 52 percent in November, the city receives 1,628 hours of bright sunshine annually, considerably less than nearby Shenzhen and Hong Kong. Extreme temperatures have ranged from 0 °C (32 °F) to 39.1 °C (102.4 °F). The last recorded snowfall in the city was on 24 January 2016, 87 years after the second last recorded snowfall.

Average Temperature
Jan
70 °F
21 °C
Feb
74 °F
24 °C
Mar
75 °F
24 °C
Apr
82 °F
28 °C
May
82 °F
28 °C
Jun
90 °F
32 °C
Jul
91 °F
33 °C
Aug
93 °F
34 °C
Sep
90 °F
32 °C
Oct
86 °F
30 °C
Nov
81 °F
27 °C
Dec
72 °F
22 °C
Humidity
Jan
68%
Feb
77%
Mar
80%
Apr
82%
May
82%
Jun
82%
Jul
78%
Aug
75%
Sep
72%
Oct
62%
Nov
54%
Dec
60%
Rain
Jan
4mm
Feb
77mm
Mar
71mm
Apr
109mm
May
152mm
Jun
163mm
Jul
131mm
Aug
268mm
Sep
97mm
Oct
26mm
Nov
1mm
Dec
3mm
Clouds
Jan
54%
Feb
74%
Mar
81%
Apr
75%
May
91%
Jun
92%
Jul
93%
Aug
67%
Sep
27%
Oct
39%
Nov
29%
Dec
45%
Air quality US AQI
Jan
126
Feb
106
Mar
108
Apr
95
May
80
Jun
63
Jul
62
Aug
71
Sep
84
Oct
95
Nov
112
Dec
112
Sun
Jan
6UVI
Feb
6UVI
Mar
6UVI
Apr
6UVI
May
6UVI
Jun
6UVI
Jul
5UVI
Aug
9UVI
Sep
10UVI
Oct
8UVI
Nov
7UVI
Dec
5UVI