| Record high, °C |
28 |
26 |
17 |
16 |
13 |
17 |
22 |
23 |
27 |
32 |
35 |
35 |
35 |
| Average high, °C |
18 |
13 |
7 |
3 |
2 |
3 |
8 |
11 |
17 |
20 |
22 |
22 |
12 |
| Average temperature, °C |
15 |
10 |
5 |
2 |
1 |
1 |
5 |
8 |
12 |
16 |
18 |
17 |
9 |
| Average low, °C |
10 |
7 |
2 |
0 |
0 |
-1 |
2 |
4 |
8 |
11 |
13 |
13 |
6 |
| Record low, °C |
2 |
-3 |
-11 |
0 |
-17 |
-12 |
-11 |
-3 |
0 |
2 |
6 |
5 |
-17 |
| Rain, days |
13 |
16 |
15 |
16 |
15 |
11 |
17 |
14 |
16 |
16 |
13 |
12 |
174 |
| Snow, days |
0 |
0 |
4 |
8 |
10 |
8 |
5 |
4 |
0 |
0 |
0 |
0 |
39 |
| Fog, days |
18 |
22 |
20 |
19 |
19 |
15 |
16 |
14 |
15 |
16 |
14 |
17 |
205 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
4 |
6 |
5 |
4 |
24 |
| Snowfall, cm. |
0 |
0 |
2 |
5 |
25 |
38 |
10 |
4 |
0 |
0 |
0 |
0 |
84 |
| Average precipitation, mm. |
60 |
45 |
51 |
63 |
53 |
45 |
40 |
42 |
49 |
67 |
59 |
73 |
647 |
| Relative humidity, % |
81 |
85 |
89 |
89 |
89 |
86 |
79 |
75 |
74 |
74 |
75 |
78 |
81 |
| Relative humidity morning, % |
85 |
85 |
84 |
84 |
84 |
81 |
81 |
80 |
80 |
82 |
82 |
83 |
83 |
| Relative humidity evening, % |
63 |
70 |
75 |
80 |
79 |
69 |
63 |
57 |
57 |
59 |
56 |
57 |
65 |
| Wind speed, km/h |
12 |
12 |
16 |
17 |
17 |
8 |
16 |
12 |
9 |
9 |
9 |
8 |
12 |
| Monthly sunshine, часов |
158 |
98 |
49 |
41 |
54 |
78 |
126 |
178 |
202 |
219 |
226 |
213 |
1640 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
10 |
6 |
1 |
0 |
-1 |
-2 |
0 |
1 |
6 |
10 |
11 |
11 |
53 |
| Growing degree-day, °C |
142 |
9 |
0 |
0 |
0 |
0 |
0 |
0 |
86 |
175 |
250 |
241 |
902 |
| Solar radiation, global, Mj/m2 |
11 |
6 |
4 |
3 |
4 |
6 |
10 |
14 |
18 |
19 |
19 |
16 |
11 |