| Record high, °C |
32 |
27 |
18 |
22 |
17 |
18 |
24 |
26 |
32 |
32 |
34 |
34 |
34 |
| Average high, °C |
20 |
13 |
6 |
3 |
1 |
3 |
10 |
13 |
19 |
22 |
24 |
23 |
13 |
| Average temperature, °C |
16 |
10 |
4 |
1 |
0 |
1 |
6 |
10 |
16 |
18 |
20 |
20 |
10 |
| Average low, °C |
12 |
7 |
2 |
0 |
-2 |
-1 |
2 |
6 |
12 |
15 |
16 |
15 |
7 |
| Record low, °C |
-2 |
-6 |
-18 |
-18 |
-23 |
-18 |
-17 |
-2 |
-1 |
1 |
0 |
1 |
-23 |
| Rain, days |
8 |
8 |
6 |
6 |
4 |
4 |
5 |
6 |
7 |
8 |
8 |
9 |
79 |
| Snow, days |
0 |
0 |
3 |
5 |
7 |
7 |
4 |
1 |
0 |
0 |
0 |
0 |
27 |
| Fog, days |
18 |
19 |
19 |
21 |
22 |
19 |
16 |
10 |
8 |
7 |
11 |
15 |
185 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
3 |
3 |
4 |
2 |
14 |
| Snowfall, cm. |
0 |
0 |
10 |
17 |
18 |
17 |
6 |
2 |
0 |
0 |
0 |
0 |
70 |
| Average precipitation, mm. |
70 |
70 |
80 |
50 |
40 |
40 |
40 |
70 |
90 |
90 |
100 |
90 |
830 |
| Relative humidity, % |
69 |
77 |
76 |
86 |
82 |
78 |
72 |
62 |
67 |
70 |
64 |
64 |
72 |
| Relative humidity morning, % |
92 |
92 |
91 |
89 |
88 |
89 |
86 |
82 |
79 |
79 |
81 |
88 |
86 |
| Relative humidity evening, % |
63 |
69 |
77 |
81 |
78 |
70 |
58 |
57 |
55 |
56 |
53 |
54 |
64 |
| Wind speed, km/h |
9 |
9 |
12 |
9 |
9 |
9 |
9 |
16 |
9 |
8 |
9 |
8 |
10 |
| Monthly sunshine, часов |
169 |
122 |
67 |
61 |
81 |
144 |
154 |
186 |
237 |
227 |
249 |
235 |
1930 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
16 |
16 |
15 |
13 |
| Dew point, °C |
11 |
7 |
1 |
-1 |
-2 |
-1 |
1 |
3 |
8 |
12 |
13 |
13 |
65 |
| Growing degree-day, °C |
183 |
17 |
0 |
0 |
0 |
0 |
0 |
0 |
181 |
267 |
327 |
301 |
1277 |
| Solar radiation, global, Mj/m2 |
13 |
8 |
5 |
4 |
5 |
8 |
12 |
15 |
19 |
20 |
21 |
18 |
12 |