| Record high, °C |
33 |
31 |
27 |
20 |
18 |
18 |
25 |
27 |
33 |
33 |
37 |
37 |
37 |
| Average high, °C |
26 |
21 |
14 |
7 |
4 |
6 |
11 |
18 |
23 |
27 |
29 |
30 |
18 |
| Average temperature, °C |
21 |
15 |
8 |
2 |
0 |
1 |
6 |
12 |
17 |
21 |
25 |
26 |
13 |
| Average low, °C |
16 |
9 |
3 |
-1 |
-4 |
-2 |
0 |
6 |
12 |
17 |
22 |
22 |
8 |
| Record low, °C |
7 |
-1 |
-7 |
-12 |
-17 |
-15 |
-10 |
-2 |
3 |
10 |
16 |
16 |
-17 |
| Rain, days |
10 |
7 |
11 |
8 |
6 |
7 |
10 |
11 |
11 |
12 |
17 |
14 |
124 |
| Snow, days |
0 |
0 |
2 |
8 |
11 |
7 |
3 |
0 |
0 |
0 |
0 |
0 |
31 |
| Fog, days |
26 |
24 |
22 |
22 |
20 |
18 |
22 |
22 |
24 |
26 |
26 |
27 |
279 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
4 |
4 |
12 |
| Average precipitation, mm. |
157 |
55 |
51 |
33 |
35 |
41 |
66 |
96 |
94 |
172 |
251 |
223 |
1274 |
| Relative humidity morning, % |
93 |
91 |
89 |
88 |
87 |
86 |
87 |
89 |
91 |
93 |
94 |
92 |
90 |
| Relative humidity evening, % |
60 |
53 |
59 |
64 |
64 |
60 |
51 |
51 |
53 |
60 |
69 |
65 |
59 |
| Wind speed, km/h |
8 |
8 |
9 |
9 |
12 |
12 |
12 |
9 |
8 |
8 |
8 |
6 |
9 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
17 |
10 |
3 |
-1 |
-3 |
-2 |
0 |
6 |
12 |
17 |
22 |
22 |
103 |
| Growing degree-day, °C |
317 |
146 |
0 |
0 |
0 |
0 |
0 |
50 |
224 |
350 |
474 |
491 |
2051 |
| Solar radiation, global, Mj/m2 |
14 |
14 |
10 |
9 |
10 |
13 |
16 |
19 |
20 |
18 |
15 |
15 |
14 |