| Record high, °C |
30 |
26 |
13 |
11 |
8 |
13 |
17 |
26 |
30 |
30 |
35 |
37 |
37 |
| Average high, °C |
22 |
17 |
7 |
2 |
0 |
2 |
9 |
15 |
20 |
25 |
28 |
27 |
15 |
| Average temperature, °C |
17 |
12 |
4 |
0 |
-2 |
-1 |
5 |
11 |
15 |
20 |
22 |
21 |
10 |
| Average low, °C |
12 |
8 |
1 |
-1 |
-5 |
-5 |
1 |
7 |
10 |
15 |
16 |
15 |
6 |
| Record low, °C |
2 |
1 |
-6 |
-7 |
-18 |
-15 |
-7 |
0 |
-1 |
7 |
11 |
8 |
-18 |
| Rain, days |
5 |
2 |
3 |
2 |
6 |
0 |
2 |
5 |
7 |
8 |
3 |
2 |
45 |
| Snow, days |
0 |
0 |
3 |
5 |
7 |
7 |
4 |
1 |
0 |
0 |
0 |
0 |
27 |
| Fog, days |
18 |
20 |
18 |
19 |
20 |
15 |
12 |
7 |
8 |
9 |
12 |
15 |
173 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
4 |
6 |
6 |
6 |
26 |
| Snowfall, cm. |
0 |
0 |
8 |
13 |
11 |
11 |
6 |
0 |
0 |
0 |
0 |
0 |
50 |
| Average precipitation, mm. |
50 |
20 |
10 |
20 |
50 |
10 |
20 |
40 |
70 |
80 |
40 |
20 |
430 |
| Relative humidity, % |
69 |
77 |
76 |
86 |
82 |
78 |
72 |
62 |
67 |
70 |
64 |
64 |
72 |
| Relative humidity morning, % |
94 |
94 |
93 |
91 |
91 |
90 |
89 |
85 |
85 |
85 |
87 |
91 |
90 |
| Relative humidity evening, % |
61 |
68 |
78 |
81 |
78 |
70 |
59 |
54 |
55 |
57 |
55 |
56 |
64 |
| Wind speed, km/h |
8 |
8 |
12 |
12 |
12 |
12 |
12 |
14 |
12 |
9 |
9 |
8 |
11 |
| Monthly sunshine, часов |
176 |
133 |
77 |
56 |
76 |
115 |
137 |
175 |
224 |
219 |
240 |
235 |
1861 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
11 |
7 |
0 |
-1 |
-3 |
-7 |
0 |
3 |
8 |
12 |
14 |
12 |
56 |
| Growing degree-day, °C |
225 |
95 |
0 |
0 |
0 |
0 |
0 |
42 |
155 |
300 |
379 |
353 |
1548 |
| Solar radiation, global, Mj/m2 |
12 |
8 |
5 |
4 |
5 |
8 |
11 |
15 |
19 |
19 |
19 |
17 |
12 |