| Record high, °C |
33 |
27 |
23 |
19 |
17 |
22 |
26 |
28 |
31 |
35 |
40 |
35 |
40 |
| Average high, °C |
23 |
19 |
13 |
10 |
8 |
10 |
13 |
16 |
21 |
25 |
28 |
27 |
18 |
| Average temperature, °C |
21 |
16 |
11 |
8 |
7 |
8 |
11 |
13 |
18 |
22 |
25 |
25 |
15 |
| Average low, °C |
18 |
14 |
9 |
6 |
5 |
6 |
8 |
11 |
16 |
20 |
22 |
22 |
13 |
| Record low, °C |
8 |
2 |
0 |
-3 |
-7 |
-6 |
-5 |
1 |
7 |
10 |
12 |
12 |
-7 |
| Rain, days |
5 |
7 |
9 |
10 |
8 |
9 |
8 |
9 |
8 |
6 |
4 |
4 |
87 |
| Snow, days |
0 |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
| Fog, days |
8 |
7 |
5 |
6 |
7 |
5 |
7 |
5 |
6 |
5 |
4 |
6 |
71 |
| Thunderstorms, days |
3 |
2 |
2 |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
2 |
4 |
23 |
| Average precipitation, mm. |
72 |
110 |
170 |
169 |
93 |
97 |
86 |
88 |
77 |
96 |
61 |
63 |
1182 |
| Relative humidity morning, % |
66 |
69 |
68 |
65 |
64 |
62 |
64 |
64 |
64 |
61 |
55 |
57 |
63 |
| Relative humidity evening, % |
49 |
55 |
56 |
56 |
55 |
50 |
51 |
50 |
50 |
46 |
42 |
42 |
50 |
| Wind speed, km/h |
19 |
22 |
25 |
27 |
27 |
25 |
22 |
22 |
20 |
19 |
20 |
19 |
22 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
13 |
14 |
15 |
16 |
16 |
14 |
13 |
| Dew point, °C |
11 |
8 |
3 |
0 |
-1 |
-1 |
2 |
4 |
8 |
11 |
12 |
12 |
69 |
| Growing degree-day, °C |
333 |
215 |
50 |
0 |
0 |
0 |
26 |
108 |
267 |
375 |
482 |
465 |
2322 |
| Solar radiation, global, Mj/m2 |
14 |
9 |
5 |
4 |
5 |
8 |
12 |
15 |
19 |
21 |
22 |
19 |
13 |