| Record high, °C |
39 |
33 |
29 |
22 |
22 |
21 |
31 |
33 |
34 |
37 |
38 |
39 |
39 |
| Average high, °C |
24 |
17 |
11 |
5 |
2 |
4 |
8 |
15 |
21 |
26 |
29 |
28 |
16 |
| Average temperature, °C |
18 |
11 |
6 |
0 |
-3 |
-1 |
3 |
9 |
15 |
20 |
23 |
22 |
10 |
| Average low, °C |
12 |
5 |
1 |
-4 |
-8 |
-6 |
-2 |
3 |
8 |
14 |
17 |
16 |
5 |
| Record low, °C |
-4 |
-9 |
-18 |
-29 |
-29 |
-29 |
-21 |
-12 |
-4 |
0 |
4 |
-1 |
-29 |
| Rain, days |
9 |
9 |
11 |
12 |
11 |
11 |
12 |
11 |
11 |
11 |
9 |
10 |
127 |
| Snow, days |
0 |
0 |
1 |
5 |
7 |
5 |
4 |
1 |
0 |
0 |
0 |
0 |
22 |
| Fog, days |
11 |
12 |
11 |
10 |
10 |
9 |
11 |
11 |
13 |
12 |
12 |
13 |
135 |
| Thunderstorms, days |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
2 |
3 |
4 |
3 |
16 |
| Snowfall, cm. |
0 |
0 |
6 |
27 |
32 |
34 |
23 |
4 |
0 |
0 |
9 |
0 |
134 |
| Average precipitation, mm. |
97 |
112 |
112 |
112 |
97 |
94 |
117 |
107 |
94 |
109 |
102 |
112 |
1263 |
| Relative humidity, % |
72 |
69 |
66 |
63 |
62 |
59 |
63 |
63 |
67 |
70 |
69 |
71 |
66 |
| Relative humidity morning, % |
78 |
77 |
74 |
70 |
68 |
68 |
69 |
68 |
71 |
72 |
73 |
76 |
72 |
| Relative humidity evening, % |
61 |
59 |
61 |
60 |
58 |
56 |
57 |
56 |
58 |
58 |
57 |
60 |
58 |
| Wind speed, km/h |
17 |
19 |
20 |
20 |
21 |
21 |
21 |
20 |
19 |
17 |
17 |
16 |
19 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
13 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
13 |
6 |
1 |
-5 |
-8 |
-7 |
-4 |
2 |
7 |
13 |
16 |
16 |
51 |
| Growing degree-day, °C |
419 |
133 |
30 |
4 |
1 |
1 |
10 |
68 |
267 |
537 |
717 |
668 |
2855 |
| Solar radiation, global, Mj/m2 |
15 |
11 |
7 |
6 |
7 |
10 |
14 |
17 |
19 |
21 |
21 |
19 |
14 |