| Record high, °C |
34 |
27 |
24 |
16 |
17 |
21 |
25 |
28 |
32 |
37 |
36 |
37 |
37 |
| Average high, °C |
20 |
15 |
8 |
4 |
3 |
5 |
10 |
15 |
21 |
23 |
26 |
26 |
15 |
| Average temperature, °C |
14 |
9 |
4 |
1 |
-1 |
1 |
5 |
9 |
15 |
18 |
20 |
19 |
9 |
| Average low, °C |
10 |
5 |
1 |
-2 |
-3 |
-3 |
1 |
5 |
9 |
12 |
14 |
13 |
5 |
| Record low, °C |
1 |
-8 |
-16 |
-23 |
-23 |
-20 |
-18 |
-5 |
0 |
1 |
6 |
5 |
-23 |
| Rain, days |
4 |
2 |
4 |
2 |
4 |
3 |
2 |
3 |
5 |
6 |
7 |
5 |
47 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
4 |
5 |
5 |
5 |
22 |
| Snowfall, cm. |
0 |
0 |
4 |
7 |
8 |
8 |
6 |
0 |
0 |
0 |
0 |
0 |
33 |
| Average precipitation, mm. |
46 |
28 |
34 |
25 |
17 |
21 |
27 |
38 |
58 |
80 |
80 |
62 |
516 |
| Relative humidity, % |
77 |
82 |
87 |
88 |
85 |
82 |
75 |
70 |
73 |
72 |
73 |
75 |
78 |
| Relative humidity morning, % |
86 |
87 |
86 |
83 |
84 |
82 |
81 |
77 |
76 |
75 |
75 |
80 |
81 |
| Relative humidity evening, % |
53 |
58 |
69 |
73 |
70 |
62 |
52 |
48 |
49 |
50 |
49 |
48 |
57 |
| Wind speed, km/h |
9 |
9 |
9 |
10 |
10 |
10 |
11 |
11 |
11 |
11 |
10 |
9 |
10 |
| Monthly sunshine, часов |
157 |
121 |
54 |
42 |
55 |
89 |
127 |
172 |
220 |
214 |
239 |
235 |
1724 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
11 |
5 |
2 |
-1 |
-3 |
-2 |
0 |
4 |
9 |
12 |
13 |
13 |
63 |
| Growing degree-day, °C |
152 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
149 |
229 |
303 |
293 |
1126 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
7 |
11 |
15 |
19 |
19 |
19 |
17 |
12 |