| Record high, °C |
30 |
26 |
23 |
15 |
14 |
18 |
23 |
26 |
29 |
33 |
35 |
35 |
35 |
| Average high, °C |
18 |
13 |
6 |
2 |
1 |
4 |
8 |
13 |
18 |
21 |
23 |
23 |
13 |
| Average temperature, °C |
12 |
7 |
1 |
-2 |
-3 |
-2 |
2 |
7 |
12 |
15 |
17 |
16 |
7 |
| Average low, °C |
7 |
3 |
-2 |
-5 |
-6 |
-6 |
-2 |
1 |
6 |
9 |
11 |
11 |
2 |
| Record low, °C |
-2 |
-9 |
-18 |
-25 |
-28 |
-25 |
-26 |
-7 |
-5 |
-1 |
3 |
1 |
-28 |
| Rain, days |
11 |
12 |
12 |
9 |
8 |
7 |
11 |
13 |
14 |
15 |
14 |
12 |
138 |
| Snow, days |
0 |
0 |
6 |
10 |
12 |
10 |
7 |
4 |
0 |
0 |
0 |
0 |
49 |
| Fog, days |
20 |
22 |
20 |
19 |
20 |
21 |
19 |
19 |
18 |
16 |
16 |
20 |
230 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
4 |
5 |
6 |
5 |
23 |
| Snowfall, cm. |
0 |
0 |
15 |
26 |
26 |
25 |
16 |
5 |
0 |
0 |
0 |
0 |
113 |
| Average precipitation, mm. |
55 |
41 |
47 |
47 |
40 |
35 |
44 |
42 |
65 |
92 |
106 |
86 |
700 |
| Relative humidity morning, % |
92 |
92 |
91 |
90 |
89 |
89 |
89 |
86 |
80 |
82 |
83 |
87 |
88 |
| Relative humidity evening, % |
58 |
62 |
74 |
78 |
75 |
66 |
59 |
54 |
51 |
55 |
54 |
53 |
62 |
| Wind speed, km/h |
5 |
6 |
6 |
6 |
7 |
7 |
7 |
8 |
8 |
8 |
7 |
6 |
7 |
| Monthly sunshine, часов |
169 |
126 |
65 |
59 |
69 |
96 |
115 |
163 |
223 |
209 |
221 |
227 |
1740 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
9 |
5 |
0 |
-2 |
-3 |
-3 |
0 |
2 |
7 |
10 |
12 |
12 |
49 |
| Growing degree-day, °C |
83 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
68 |
150 |
214 |
208 |
722 |
| Solar radiation, global, Mj/m2 |
11 |
7 |
4 |
3 |
4 |
7 |
10 |
14 |
18 |
18 |
18 |
16 |
11 |