| Record high, °C |
37 |
31 |
25 |
21 |
17 |
21 |
25 |
30 |
36 |
40 |
42 |
40 |
42 |
| Average high, °C |
34 |
26 |
18 |
12 |
9 |
12 |
18 |
24 |
30 |
36 |
39 |
38 |
25 |
| Average temperature, °C |
26 |
19 |
13 |
7 |
4 |
6 |
11 |
17 |
23 |
28 |
31 |
30 |
18 |
| Average low, °C |
20 |
14 |
8 |
2 |
0 |
2 |
7 |
12 |
18 |
23 |
25 |
24 |
13 |
| Record low, °C |
11 |
3 |
-3 |
-7 |
-12 |
-8 |
-7 |
1 |
3 |
10 |
15 |
12 |
-12 |
| Fog, days |
0 |
1 |
2 |
10 |
11 |
7 |
3 |
1 |
2 |
1 |
0 |
0 |
38 |
| Thunderstorms, days |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
2 |
2 |
2 |
1 |
0 |
9 |
| Average precipitation, mm. |
12 |
36 |
33 |
46 |
42 |
36 |
38 |
25 |
14 |
4 |
4 |
7 |
298 |
| Relative humidity, % |
34 |
43 |
53 |
64 |
68 |
61 |
52 |
45 |
40 |
32 |
32 |
33 |
46 |
| Relative humidity morning, % |
34 |
41 |
54 |
71 |
75 |
71 |
59 |
47 |
44 |
34 |
32 |
33 |
50 |
| Relative humidity evening, % |
17 |
24 |
32 |
50 |
56 |
48 |
36 |
26 |
22 |
15 |
16 |
17 |
30 |
| Wind speed, km/h |
7 |
7 |
5 |
5 |
5 |
7 |
9 |
10 |
10 |
9 |
8 |
7 |
7 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
12 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
9 |
6 |
3 |
1 |
-1 |
-1 |
2 |
5 |
8 |
10 |
12 |
12 |
66 |
| Growing degree-day, °C |
480 |
288 |
78 |
0 |
0 |
0 |
37 |
216 |
397 |
543 |
648 |
611 |
3298 |
| Solar radiation, global, Mj/m2 |
19 |
14 |
10 |
9 |
10 |
13 |
16 |
20 |
23 |
26 |
25 |
23 |
17 |