| Record high, °C |
33 |
30 |
24 |
17 |
17 |
18 |
25 |
27 |
32 |
34 |
37 |
37 |
37 |
| Average high, °C |
27 |
20 |
14 |
8 |
6 |
8 |
12 |
17 |
22 |
27 |
31 |
31 |
19 |
| Average temperature, °C |
20 |
14 |
9 |
4 |
3 |
4 |
7 |
11 |
16 |
20 |
24 |
23 |
13 |
| Average low, °C |
12 |
8 |
4 |
1 |
0 |
0 |
2 |
6 |
10 |
13 |
16 |
16 |
7 |
| Record low, °C |
1 |
-2 |
-8 |
-11 |
0 |
-20 |
-17 |
-3 |
-1 |
5 |
5 |
7 |
-20 |
| Fog, days |
0 |
2 |
8 |
12 |
10 |
6 |
6 |
2 |
1 |
1 |
0 |
0 |
48 |
| Thunderstorms, days |
3 |
2 |
1 |
1 |
0 |
1 |
1 |
2 |
5 |
6 |
4 |
3 |
29 |
| Average precipitation, mm. |
15 |
34 |
36 |
58 |
57 |
46 |
41 |
41 |
38 |
25 |
9 |
6 |
406 |
| Relative humidity morning, % |
76 |
81 |
83 |
84 |
82 |
81 |
80 |
79 |
82 |
79 |
70 |
71 |
79 |
| Relative humidity evening, % |
32 |
41 |
53 |
65 |
64 |
59 |
50 |
46 |
43 |
37 |
33 |
32 |
46 |
| Wind speed, km/h |
4 |
4 |
4 |
4 |
4 |
6 |
6 |
16 |
6 |
6 |
6 |
4 |
6 |
| Day Length, часов |
13 |
12 |
11 |
10 |
10 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
7 |
4 |
1 |
-1 |
-3 |
-2 |
0 |
2 |
6 |
8 |
10 |
10 |
42 |
| Growing degree-day, °C |
275 |
121 |
0 |
0 |
0 |
0 |
0 |
33 |
181 |
292 |
405 |
405 |
1711 |
| Solar radiation, global, Mj/m2 |
19 |
13 |
9 |
7 |
8 |
10 |
15 |
18 |
22 |
26 |
26 |
23 |
16 |