| Record high, °C |
31 |
24 |
20 |
15 |
13 |
17 |
22 |
27 |
32 |
33 |
38 |
35 |
38 |
| Average high, °C |
18 |
12 |
6 |
2 |
1 |
3 |
8 |
13 |
18 |
21 |
22 |
22 |
12 |
| Average temperature, °C |
13 |
8 |
3 |
0 |
-1 |
0 |
3 |
7 |
12 |
15 |
17 |
16 |
8 |
| Average low, °C |
8 |
4 |
0 |
-2 |
-4 |
-3 |
-1 |
2 |
7 |
10 |
12 |
11 |
4 |
| Record low, °C |
-1 |
-7 |
-18 |
-21 |
-27 |
-25 |
-18 |
-10 |
-2 |
1 |
4 |
2 |
-27 |
| Rain, days |
6 |
5 |
5 |
5 |
5 |
4 |
5 |
6 |
6 |
8 |
8 |
7 |
70 |
| Fog, days |
19 |
21 |
17 |
17 |
17 |
17 |
14 |
12 |
12 |
13 |
13 |
17 |
189 |
| Thunderstorms, days |
3 |
1 |
0 |
0 |
0 |
0 |
1 |
2 |
7 |
7 |
6 |
7 |
34 |
| Snowfall, cm. |
0 |
3 |
5 |
20 |
23 |
23 |
6 |
4 |
0 |
0 |
0 |
0 |
84 |
| Average precipitation, mm. |
60 |
40 |
40 |
40 |
30 |
30 |
40 |
50 |
60 |
80 |
80 |
80 |
630 |
| Relative humidity, % |
79 |
83 |
86 |
85 |
83 |
80 |
77 |
72 |
71 |
72 |
73 |
75 |
78 |
| Relative humidity morning, % |
88 |
90 |
90 |
88 |
89 |
89 |
86 |
84 |
83 |
83 |
82 |
85 |
86 |
| Relative humidity evening, % |
57 |
67 |
74 |
79 |
78 |
70 |
59 |
55 |
54 |
55 |
53 |
53 |
63 |
| Wind speed, km/h |
9 |
12 |
14 |
16 |
16 |
9 |
16 |
12 |
9 |
9 |
9 |
9 |
12 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
10 |
5 |
1 |
-1 |
-3 |
-3 |
-1 |
2 |
6 |
10 |
12 |
11 |
49 |
| Growing degree-day, °C |
108 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
86 |
175 |
233 |
207 |
809 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
7 |
11 |
15 |
18 |
19 |
19 |
17 |
11 |