| Record high, °C |
41 |
37 |
35 |
21 |
17 |
22 |
25 |
30 |
38 |
41 |
44 |
42 |
44 |
| Average high, °C |
32 |
26 |
17 |
10 |
6 |
10 |
14 |
20 |
27 |
33 |
37 |
37 |
22 |
| Average temperature, °C |
22 |
15 |
8 |
2 |
-1 |
1 |
6 |
11 |
17 |
22 |
26 |
26 |
13 |
| Average low, °C |
24 |
18 |
10 |
5 |
2 |
4 |
8 |
13 |
18 |
25 |
28 |
28 |
15 |
| Record low, °C |
15 |
5 |
0 |
-7 |
-7 |
-3 |
-5 |
0 |
7 |
12 |
16 |
17 |
-7 |
| Rain, days |
0 |
4 |
5 |
11 |
10 |
10 |
13 |
8 |
4 |
1 |
1 |
0 |
67 |
| Snow, days |
0 |
0 |
0 |
0 |
4 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
7 |
| Fog, days |
0 |
0 |
2 |
9 |
6 |
5 |
4 |
1 |
1 |
0 |
0 |
0 |
28 |
| Thunderstorms, days |
0 |
1 |
1 |
1 |
1 |
1 |
2 |
3 |
3 |
0 |
0 |
0 |
13 |
| Average precipitation, mm. |
1 |
22 |
44 |
51 |
52 |
55 |
78 |
72 |
43 |
7 |
3 |
1 |
428 |
| Relative humidity, % |
30 |
45 |
61 |
71 |
74 |
71 |
63 |
56 |
47 |
33 |
29 |
29 |
51 |
| Relative humidity morning, % |
33 |
43 |
64 |
80 |
78 |
74 |
68 |
60 |
47 |
32 |
26 |
28 |
53 |
| Relative humidity evening, % |
13 |
24 |
38 |
60 |
62 |
53 |
47 |
37 |
25 |
14 |
12 |
12 |
33 |
| Wind speed, km/h |
7 |
7 |
5 |
5 |
6 |
7 |
8 |
9 |
8 |
8 |
9 |
9 |
7 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
12 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
4 |
3 |
1 |
-3 |
-6 |
-4 |
-1 |
3 |
5 |
5 |
7 |
6 |
20 |
| Growing degree-day, °C |
348 |
149 |
0 |
0 |
0 |
0 |
0 |
30 |
205 |
354 |
505 |
484 |
2074 |
| Solar radiation, global, Mj/m2 |
20 |
14 |
10 |
8 |
9 |
12 |
16 |
19 |
24 |
27 |
27 |
24 |
18 |