Located in the joint of the middle and north semitropical area, Hangzhou has a warm and humid climate with distinct four seasons, sufficient sunshine and plenty of rainfall. The annual mean temperature is 16.2℃, 28.6℃ in summer and 3.8℃ in winter. The frost-free period lasts 230 to 260 days. The annual mean precipitation is 1,435 mm and the annual mean relative humidity is 76%.
Annual Climate of Hangzhou City
Month |
Jan. |
Feb. |
Mar. |
Apr. |
May |
June |
July |
Auq. |
Sept. |
Oct. |
Nov. |
Dec. |
Average (℃) |
3.8 |
5.1 |
9.3 |
15.4 |
20.2 |
24.3 |
28.6 |
28.0 |
23.3 |
17.7 |
12.1 |
6.3 |
Average Highest(℃) |
8.0 |
9.3 |
13.7 |
20.2 |
24.7 |
28.6 |
33.3 |
32.7 |
27.6 |
22.5 |
16.9 |
10.8 |
Average Lowest (℃) |
0.7 |
1.9 |
5.9 |
11.6 |
16.6 |
21.0 |
25.0 |
24.6 |
20.3 |
14.0 |
8.4 |
8.9 |
Precipitation (mm) |
62.2 |
88.7 |
114.1 |
130.4 |
179.9 |
196.2 |
126.5 |
136.5 |
177.6 |
77.9 |
54.7 |
54.0 |