| Record high, °C |
37 |
32 |
25 |
22 |
17 |
20 |
27 |
28 |
35 |
38 |
40 |
39 |
40 |
| Average high, °C |
30 |
23 |
15 |
10 |
6 |
10 |
15 |
21 |
26 |
32 |
35 |
33 |
21 |
| Average temperature, °C |
23 |
17 |
10 |
5 |
3 |
6 |
11 |
16 |
21 |
27 |
29 |
28 |
16 |
| Average low, °C |
17 |
11 |
5 |
1 |
-1 |
1 |
5 |
11 |
16 |
21 |
23 |
21 |
11 |
| Record low, °C |
8 |
0 |
-5 |
-7 |
-11 |
-8 |
-7 |
1 |
6 |
11 |
16 |
12 |
-11 |
| Fog, days |
0 |
1 |
3 |
8 |
10 |
5 |
3 |
1 |
1 |
0 |
0 |
0 |
32 |
| Thunderstorms, days |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
4 |
| Average precipitation, mm. |
0 |
4 |
11 |
23 |
21 |
17 |
21 |
22 |
10 |
1 |
1 |
0 |
132 |
| Relative humidity, % |
25 |
36 |
48 |
58 |
61 |
52 |
44 |
39 |
33 |
23 |
23 |
24 |
39 |
| Relative humidity morning, % |
37 |
50 |
61 |
73 |
74 |
70 |
60 |
49 |
44 |
33 |
33 |
34 |
52 |
| Relative humidity evening, % |
14 |
21 |
28 |
41 |
45 |
34 |
27 |
23 |
22 |
14 |
15 |
15 |
25 |
| Wind speed, km/h |
6 |
5 |
4 |
4 |
5 |
8 |
10 |
11 |
10 |
9 |
8 |
8 |
7 |
| Day Length, часов |
13 |
12 |
11 |
11 |
11 |
12 |
12 |
12 |
14 |
15 |
15 |
14 |
13 |
| Dew point, °C |
2 |
2 |
-0 |
-3 |
-4 |
-3 |
-1 |
2 |
4 |
4 |
6 |
5 |
12 |
| Growing degree-day, °C |
399 |
214 |
6 |
0 |
0 |
0 |
16 |
171 |
344 |
498 |
592 |
546 |
2785 |
| Solar radiation, global, Mj/m2 |
21 |
16 |
12 |
10 |
11 |
15 |
18 |
21 |
24 |
26 |
25 |
24 |
19 |