| Record high, °C |
31 |
23 |
17 |
13 |
11 |
17 |
23 |
25 |
28 |
31 |
33 |
33 |
33 |
| Average high, °C |
19 |
13 |
5 |
2 |
0 |
2 |
8 |
13 |
18 |
21 |
23 |
23 |
12 |
| Average temperature, °C |
15 |
9 |
3 |
0 |
-1 |
0 |
5 |
8 |
13 |
16 |
18 |
18 |
9 |
| Average low, °C |
10 |
5 |
1 |
-2 |
-3 |
-3 |
0 |
3 |
8 |
11 |
13 |
13 |
5 |
| Record low, °C |
1 |
-5 |
-12 |
0 |
-23 |
-22 |
-14 |
-5 |
-2 |
2 |
6 |
2 |
-23 |
| Rain, days |
11 |
12 |
13 |
11 |
8 |
7 |
11 |
14 |
13 |
14 |
13 |
11 |
138 |
| Snow, days |
2 |
5 |
7 |
5 |
7 |
6 |
3 |
1 |
0 |
0 |
0 |
0 |
36 |
| Fog, days |
19 |
21 |
22 |
22 |
24 |
21 |
20 |
14 |
14 |
14 |
13 |
15 |
219 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
3 |
5 |
5 |
5 |
20 |
| Snowfall, cm. |
0 |
0 |
4 |
10 |
12 |
10 |
4 |
1 |
0 |
0 |
0 |
0 |
41 |
| Average precipitation, mm. |
30 |
30 |
30 |
20 |
20 |
20 |
20 |
30 |
50 |
70 |
60 |
50 |
430 |
| Relative humidity, % |
70 |
80 |
85 |
85 |
85 |
75 |
70 |
65 |
65 |
65 |
65 |
65 |
73 |
| Relative humidity morning, % |
87 |
89 |
90 |
91 |
91 |
90 |
85 |
77 |
76 |
78 |
78 |
81 |
84 |
| Relative humidity evening, % |
55 |
64 |
80 |
84 |
83 |
74 |
58 |
48 |
51 |
53 |
49 |
48 |
62 |
| Wind speed, km/h |
12 |
14 |
9 |
9 |
9 |
16 |
16 |
17 |
14 |
12 |
12 |
12 |
13 |
| Monthly sunshine, часов |
168 |
132 |
59 |
43 |
55 |
88 |
131 |
177 |
232 |
224 |
237 |
238 |
1783 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
9 |
5 |
0 |
-1 |
-3 |
-3 |
0 |
1 |
7 |
10 |
11 |
11 |
47 |
| Growing degree-day, °C |
142 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
121 |
200 |
267 |
267 |
996 |
| Solar radiation, global, Mj/m2 |
11 |
7 |
4 |
3 |
4 |
7 |
10 |
15 |
18 |
18 |
18 |
16 |
11 |