| Record high, °C |
37 |
32 |
27 |
18 |
15 |
23 |
27 |
35 |
35 |
38 |
42 |
39 |
42 |
| Average high, °C |
26 |
19 |
10 |
5 |
3 |
7 |
13 |
17 |
22 |
27 |
30 |
29 |
17 |
| Average temperature, °C |
18 |
13 |
6 |
1 |
0 |
3 |
7 |
12 |
16 |
20 |
22 |
22 |
12 |
| Average low, °C |
11 |
7 |
1 |
-2 |
-3 |
-1 |
2 |
6 |
10 |
13 |
15 |
15 |
6 |
| Record low, °C |
-2 |
-5 |
-9 |
-17 |
-25 |
-20 |
-10 |
-2 |
-1 |
5 |
7 |
7 |
-25 |
| Rain, days |
9 |
9 |
9 |
7 |
5 |
6 |
9 |
13 |
11 |
9 |
6 |
7 |
100 |
| Snow, days |
0 |
0 |
2 |
6 |
8 |
6 |
4 |
0 |
0 |
0 |
0 |
0 |
25 |
| Fog, days |
9 |
16 |
21 |
23 |
24 |
17 |
11 |
7 |
6 |
4 |
5 |
6 |
149 |
| Thunderstorms, days |
3 |
1 |
0 |
0 |
0 |
0 |
1 |
2 |
7 |
9 |
7 |
6 |
36 |
| Average precipitation, mm. |
30 |
40 |
50 |
40 |
30 |
30 |
40 |
30 |
50 |
40 |
30 |
20 |
430 |
| Relative humidity, % |
67 |
74 |
79 |
82 |
81 |
75 |
68 |
64 |
64 |
61 |
58 |
59 |
69 |
| Relative humidity morning, % |
79 |
86 |
89 |
89 |
88 |
86 |
83 |
78 |
78 |
73 |
69 |
72 |
81 |
| Relative humidity evening, % |
42 |
55 |
72 |
79 |
76 |
63 |
52 |
49 |
50 |
45 |
39 |
39 |
55 |
| Wind speed, km/h |
12 |
12 |
12 |
9 |
9 |
12 |
9 |
12 |
9 |
12 |
16 |
16 |
12 |
| Monthly sunshine, часов |
221 |
163 |
90 |
54 |
100 |
92 |
139 |
176 |
225 |
291 |
301 |
286 |
2137 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
12 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
10 |
7 |
2 |
-1 |
-3 |
-1 |
1 |
5 |
10 |
12 |
13 |
12 |
67 |
| Growing degree-day, °C |
267 |
103 |
0 |
0 |
0 |
0 |
0 |
58 |
198 |
317 |
396 |
388 |
1727 |
| Solar radiation, global, Mj/m2 |
15 |
10 |
6 |
5 |
6 |
9 |
13 |
15 |
19 |
22 |
23 |
20 |
14 |