| Record high, °C |
35 |
28 |
26 |
17 |
12 |
17 |
22 |
27 |
33 |
38 |
38 |
40 |
40 |
| Average high, °C |
26 |
19 |
10 |
3 |
0 |
2 |
8 |
16 |
21 |
27 |
31 |
31 |
16 |
| Average temperature, °C |
21 |
15 |
7 |
1 |
-2 |
0 |
5 |
11 |
16 |
22 |
26 |
26 |
12 |
| Average low, °C |
16 |
10 |
2 |
-1 |
-6 |
-3 |
1 |
7 |
11 |
17 |
21 |
21 |
8 |
| Record low, °C |
0 |
-2 |
-8 |
-15 |
-16 |
-17 |
-11 |
-2 |
0 |
7 |
12 |
10 |
-17 |
| Fog, days |
0 |
2 |
5 |
12 |
10 |
8 |
6 |
2 |
2 |
0 |
0 |
0 |
47 |
| Thunderstorms, days |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
3 |
3 |
1 |
0 |
10 |
| Average precipitation, mm. |
10 |
30 |
20 |
30 |
20 |
20 |
60 |
60 |
40 |
20 |
0 |
0 |
310 |
| Relative humidity, % |
40 |
50 |
65 |
70 |
75 |
65 |
55 |
55 |
50 |
40 |
35 |
35 |
53 |
| Relative humidity morning, % |
52 |
59 |
75 |
80 |
78 |
78 |
74 |
70 |
65 |
55 |
45 |
49 |
65 |
| Relative humidity evening, % |
22 |
30 |
45 |
59 |
59 |
56 |
47 |
37 |
33 |
24 |
20 |
21 |
38 |
| Wind speed, km/h |
17 |
16 |
9 |
9 |
9 |
12 |
14 |
16 |
16 |
16 |
17 |
17 |
14 |
| Day Length, часов |
13 |
12 |
11 |
10 |
10 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
3 |
1 |
-1 |
-4 |
-8 |
-6 |
-3 |
0 |
3 |
5 |
6 |
7 |
3 |
| Growing degree-day, °C |
342 |
146 |
0 |
0 |
0 |
0 |
0 |
50 |
198 |
367 |
517 |
499 |
2119 |
| Solar radiation, global, Mj/m2 |
19 |
14 |
9 |
7 |
9 |
11 |
15 |
18 |
22 |
26 |
25 |
23 |
17 |