| Record high, °C |
35 |
30 |
23 |
20 |
15 |
21 |
26 |
32 |
36 |
37 |
41 |
38 |
41 |
| Average high, °C |
24 |
17 |
9 |
4 |
3 |
6 |
11 |
16 |
21 |
26 |
28 |
28 |
16 |
| Average temperature, °C |
20 |
14 |
6 |
2 |
1 |
3 |
8 |
12 |
17 |
21 |
24 |
23 |
13 |
| Average low, °C |
15 |
10 |
3 |
0 |
-1 |
0 |
4 |
8 |
13 |
17 |
19 |
18 |
9 |
| Record low, °C |
2 |
-5 |
-8 |
-14 |
-19 |
0 |
-10 |
-1 |
2 |
7 |
8 |
7 |
-19 |
| Rain, days |
4 |
6 |
8 |
5 |
4 |
4 |
8 |
10 |
10 |
5 |
4 |
4 |
72 |
| Snow, days |
0 |
0 |
2 |
3 |
4 |
3 |
2 |
0 |
0 |
0 |
0 |
0 |
14 |
| Fog, days |
1 |
4 |
7 |
10 |
10 |
5 |
2 |
1 |
1 |
0 |
1 |
1 |
43 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
4 |
6 |
4 |
3 |
19 |
| Average precipitation, mm. |
40 |
55 |
65 |
46 |
44 |
43 |
44 |
46 |
71 |
50 |
31 |
35 |
570 |
| Relative humidity morning, % |
76 |
84 |
86 |
87 |
87 |
85 |
82 |
77 |
77 |
70 |
67 |
70 |
79 |
| Relative humidity evening, % |
40 |
53 |
70 |
74 |
71 |
58 |
49 |
46 |
49 |
43 |
37 |
35 |
52 |
| Wind speed, km/h |
19 |
22 |
25 |
20 |
25 |
20 |
27 |
27 |
16 |
17 |
17 |
16 |
21 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
12 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
10 |
7 |
2 |
-1 |
-2 |
-1 |
1 |
4 |
9 |
12 |
12 |
12 |
65 |
| Growing degree-day, °C |
292 |
129 |
0 |
0 |
0 |
0 |
0 |
75 |
233 |
358 |
431 |
422 |
1939 |
| Solar radiation, global, Mj/m2 |
15 |
10 |
6 |
5 |
6 |
9 |
13 |
15 |
19 |
22 |
23 |
20 |
14 |