| Record high, °C |
38 |
30 |
25 |
22 |
18 |
24 |
28 |
31 |
35 |
37 |
41 |
39 |
41 |
| Average high, °C |
24 |
18 |
9 |
4 |
3 |
5 |
12 |
17 |
22 |
24 |
27 |
28 |
16 |
| Average temperature, °C |
17 |
12 |
5 |
1 |
0 |
1 |
6 |
11 |
16 |
18 |
21 |
21 |
11 |
| Average low, °C |
10 |
6 |
2 |
-1 |
-2 |
-2 |
1 |
5 |
10 |
12 |
14 |
14 |
6 |
| Record low, °C |
1 |
-6 |
-14 |
-21 |
-30 |
-23 |
-17 |
-8 |
0 |
4 |
6 |
6 |
-30 |
| Rain, days |
10 |
11 |
10 |
9 |
8 |
7 |
11 |
14 |
13 |
13 |
10 |
9 |
125 |
| Snow, days |
0 |
0 |
2 |
6 |
7 |
7 |
3 |
1 |
0 |
0 |
0 |
0 |
26 |
| Fog, days |
2 |
4 |
5 |
7 |
6 |
4 |
1 |
1 |
1 |
1 |
1 |
2 |
35 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
4 |
6 |
5 |
4 |
23 |
| Average precipitation, mm. |
45 |
40 |
56 |
59 |
42 |
45 |
37 |
51 |
65 |
85 |
64 |
54 |
643 |
| Relative humidity, % |
75 |
78 |
85 |
88 |
87 |
81 |
73 |
69 |
68 |
71 |
71 |
71 |
76 |
| Relative humidity morning, % |
89 |
89 |
92 |
92 |
92 |
89 |
87 |
84 |
80 |
82 |
82 |
83 |
87 |
| Relative humidity evening, % |
45 |
54 |
76 |
82 |
80 |
64 |
51 |
50 |
46 |
47 |
45 |
44 |
57 |
| Wind speed, km/h |
6 |
9 |
9 |
9 |
6 |
9 |
12 |
8 |
8 |
8 |
6 |
8 |
8 |
| Monthly sunshine, часов |
190 |
153 |
90 |
49 |
63 |
104 |
157 |
189 |
251 |
264 |
293 |
280 |
2081 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
16 |
16 |
15 |
13 |
| Dew point, °C |
10 |
6 |
2 |
0 |
-2 |
-2 |
1 |
5 |
9 |
12 |
14 |
13 |
68 |
| Growing degree-day, °C |
208 |
52 |
0 |
0 |
0 |
0 |
0 |
25 |
181 |
233 |
319 |
336 |
1354 |
| Solar radiation, global, Mj/m2 |
14 |
9 |
5 |
4 |
5 |
8 |
12 |
16 |
20 |
21 |
21 |
19 |
13 |