Hefei Weather

Hefei features a humid subtropical climate with four distinct seasons. Hefei’s annual average temperature is 16.19 °C (61.1 °F). Its annual precipitation is just slightly over 1,000 millimetres (39 in), being heavier from May through August. Winters are damp and cold, with January lows dipping just below freezing and January averaging 2.8 °C (37.0 °F). The city sees irregular snowfalls that rarely turn significant. Springs are generally relatively pleasant if somewhat erratic. Summers here are oppressively hot and humid, with a July average of 28.3 °C (82.9 °F). In the months of June, July, August, and often September, daily temperatures can reach or surpass 37 °C (99 °F) with high humidity levels being the norm. Autumn in Hefei sees a gradual cooling and drying. With monthly percent possible sunshine ranging from 35 percent in March to 50 percent in August, the city receives 1,868 hours of bright sunshine annually. Extremes since 1951 have ranged from −20.6 °C (−5 °F) on 6 January 1955 to 41.1 °C (106 °F) on 27 July 2017.

Average Temperature
Jan
45 °F
7 °C
Feb
43 °F
6 °C
Mar
63 °F
17 °C
Apr
69 °F
21 °C
May
79 °F
26 °C
Jun
85 °F
30 °C
Jul
88 °F
31 °C
Aug
90 °F
32 °C
Sep
81 °F
27 °C
Oct
73 °F
23 °C
Nov
65 °F
19 °C
Dec
52 °F
11 °C
Humidity
Jan
69%
Feb
74%
Mar
62%
Apr
67%
May
51%
Jun
68%
Jul
81%
Aug
79%
Sep
70%
Oct
64%
Nov
60%
Dec
68%
Rain
Jan
22mm
Feb
41mm
Mar
17mm
Apr
34mm
May
26mm
Jun
57mm
Jul
38mm
Aug
38mm
Sep
8mm
Oct
6mm
Nov
15mm
Dec
16mm
Clouds
Jan
37%
Feb
84%
Mar
63%
Apr
69%
May
59%
Jun
74%
Jul
58%
Aug
41%
Sep
38%
Oct
56%
Nov
55%
Dec
62%
Air quality US AQI
Jan
160
Feb
157
Mar
137
Apr
124
May
112
Jun
108
Jul
88
Aug
77
Sep
91
Oct
112
Nov
127
Dec
148
Sun
Jan
4UVI
Feb
4UVI
Mar
5UVI
Apr
5UVI
May
7UVI
Jun
8UVI
Jul
8UVI
Aug
8UVI
Sep
8UVI
Oct
5UVI
Nov
4UVI
Dec
3UVI