| Record high, °C |
38 |
32 |
30 |
20 |
17 |
20 |
30 |
33 |
37 |
40 |
43 |
42 |
43 |
| Average high, °C |
28 |
21 |
14 |
7 |
3 |
6 |
13 |
20 |
25 |
31 |
33 |
31 |
19 |
| Average temperature, °C |
21 |
14 |
8 |
3 |
0 |
1 |
8 |
15 |
20 |
25 |
27 |
25 |
14 |
| Average low, °C |
13 |
7 |
2 |
-1 |
-5 |
-2 |
3 |
10 |
13 |
18 |
20 |
17 |
8 |
| Record low, °C |
2 |
-6 |
-11 |
-15 |
-23 |
-22 |
-8 |
-7 |
2 |
7 |
2 |
0 |
-23 |
| Fog, days |
0 |
3 |
6 |
15 |
14 |
12 |
7 |
3 |
0 |
0 |
0 |
0 |
60 |
| Thunderstorms, days |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
2 |
0 |
0 |
0 |
3 |
| Average precipitation, mm. |
0 |
10 |
10 |
10 |
20 |
30 |
50 |
40 |
20 |
0 |
0 |
0 |
190 |
| Relative humidity, % |
37 |
50 |
56 |
63 |
66 |
67 |
65 |
59 |
50 |
37 |
33 |
33 |
51 |
| Relative humidity morning, % |
58 |
69 |
81 |
87 |
88 |
90 |
87 |
77 |
64 |
49 |
47 |
51 |
71 |
| Relative humidity evening, % |
20 |
32 |
41 |
59 |
63 |
61 |
49 |
40 |
30 |
19 |
18 |
19 |
38 |
| Wind speed, km/h |
12 |
12 |
12 |
9 |
14 |
14 |
14 |
14 |
14 |
16 |
17 |
17 |
14 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
3 |
1 |
0 |
-1 |
-5 |
-2 |
1 |
5 |
6 |
6 |
7 |
6 |
27 |
| Growing degree-day, °C |
325 |
138 |
0 |
0 |
0 |
0 |
0 |
150 |
301 |
450 |
525 |
456 |
2346 |
| Solar radiation, global, Mj/m2 |
19 |
14 |
10 |
8 |
9 |
11 |
14 |
18 |
22 |
25 |
25 |
23 |
16 |