Month
Item
|
Jan
|
Feb
|
Mar
|
Apr
|
May
|
Jun
|
Jul
|
Aug
|
Sep
|
Oct
|
Nov
|
Dec
|
average temperature
(℃) |
-2.8
|
0.7
|
4.5
|
7.9
|
12.2
|
15.2
|
16.0
|
15.3
|
12.8
|
8.2
|
2.8
|
-2.0
|
Rainfall (mm)
|
1.2
|
4.0
|
9.6
|
23.0
|
39.2
|
85.2
|
100.2
|
96.8
|
76.1
|
31.3
|
5.5
|
2.4
|
Days of rainfall
|
2.2
|
3.1
|
5.7
|
10.9
|
13.2
|
17.9
|
19.7
|
18.1
|
17.8
|
9.6
|
3.2
|
1.7
|