| Record high, °C |
38 |
33 |
28 |
21 |
21 |
23 |
29 |
33 |
35 |
40 |
45 |
43 |
45 |
| Average high, °C |
24 |
18 |
11 |
6 |
4 |
7 |
13 |
18 |
24 |
27 |
29 |
30 |
18 |
| Average temperature, °C |
17 |
11 |
6 |
2 |
0 |
2 |
6 |
12 |
17 |
20 |
22 |
21 |
11 |
| Average low, °C |
10 |
6 |
2 |
-2 |
-3 |
-3 |
1 |
5 |
10 |
13 |
14 |
14 |
6 |
| Record low, °C |
-0 |
-8 |
-16 |
-21 |
-27 |
-26 |
-17 |
-8 |
-1 |
1 |
4 |
4 |
-27 |
| Rain, days |
7 |
9 |
9 |
8 |
6 |
6 |
8 |
12 |
12 |
10 |
7 |
7 |
101 |
| Snow, days |
0 |
0 |
3 |
8 |
9 |
8 |
4 |
1 |
0 |
0 |
0 |
0 |
33 |
| Fog, days |
1 |
3 |
2 |
3 |
3 |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
18 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
2 |
4 |
3 |
2 |
13 |
| Average precipitation, mm. |
52 |
51 |
54 |
57 |
46 |
45 |
45 |
61 |
64 |
80 |
57 |
47 |
658 |
| Relative humidity, % |
73 |
77 |
79 |
83 |
82 |
77 |
71 |
68 |
69 |
70 |
68 |
67 |
74 |
| Relative humidity morning, % |
87 |
87 |
88 |
88 |
88 |
87 |
83 |
80 |
79 |
80 |
79 |
81 |
84 |
| Relative humidity evening, % |
52 |
62 |
76 |
80 |
75 |
66 |
54 |
52 |
54 |
55 |
49 |
48 |
60 |
| Wind speed, km/h |
8 |
8 |
9 |
8 |
8 |
9 |
12 |
9 |
8 |
8 |
8 |
6 |
8 |
| Monthly sunshine, часов |
206 |
155 |
93 |
58 |
69 |
94 |
147 |
181 |
236 |
261 |
297 |
283 |
2078 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
13 |
14 |
15 |
16 |
16 |
15 |
13 |
| Dew point, °C |
11 |
7 |
2 |
-1 |
-3 |
-2 |
1 |
4 |
10 |
13 |
14 |
13 |
69 |
| Growing degree-day, °C |
219 |
70 |
0 |
0 |
0 |
0 |
0 |
51 |
207 |
290 |
362 |
363 |
1561 |
| Solar radiation, global, Mj/m2 |
14 |
9 |
6 |
4 |
5 |
8 |
12 |
15 |
19 |
21 |
22 |
19 |
13 |