| Record high, °C |
30 |
26 |
24 |
20 |
17 |
19 |
26 |
27 |
30 |
38 |
35 |
34 |
38 |
| Average high, °C |
19 |
14 |
8 |
4 |
3 |
5 |
10 |
14 |
19 |
21 |
23 |
23 |
14 |
| Average temperature, °C |
13 |
9 |
4 |
0 |
-1 |
1 |
4 |
8 |
13 |
15 |
17 |
17 |
8 |
| Average low, °C |
9 |
5 |
0 |
-3 |
-4 |
-3 |
0 |
3 |
7 |
10 |
12 |
12 |
4 |
| Record low, °C |
-1 |
-4 |
-13 |
-21 |
-23 |
-18 |
-19 |
-5 |
-3 |
1 |
1 |
4 |
-23 |
| Rain, days |
9 |
8 |
7 |
8 |
8 |
7 |
6 |
7 |
8 |
9 |
0 |
9 |
86 |
| Fog, days |
7 |
12 |
9 |
9 |
9 |
9 |
4 |
2 |
2 |
2 |
1 |
3 |
69 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
4 |
4 |
5 |
18 |
| Snowfall, cm. |
0 |
0 |
8 |
32 |
30 |
30 |
33 |
2 |
0 |
0 |
0 |
0 |
137 |
| Average precipitation, mm. |
109 |
78 |
91 |
96 |
86 |
68 |
86 |
92 |
116 |
170 |
182 |
166 |
1339 |
| Relative humidity, % |
79 |
82 |
84 |
84 |
81 |
79 |
75 |
73 |
73 |
74 |
75 |
77 |
78 |
| Relative humidity morning, % |
86 |
85 |
86 |
84 |
84 |
85 |
83 |
81 |
77 |
80 |
80 |
84 |
83 |
| Relative humidity evening, % |
60 |
63 |
71 |
75 |
72 |
65 |
56 |
53 |
50 |
56 |
54 |
56 |
61 |
| Wind speed, km/h |
7 |
7 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
7 |
7 |
7 |
7 |
| Monthly sunshine, часов |
168 |
130 |
81 |
63 |
67 |
92 |
130 |
153 |
196 |
194 |
221 |
203 |
1697 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
10 |
4 |
0 |
-4 |
-5 |
-7 |
-1 |
3 |
8 |
11 |
13 |
12 |
44 |
| Growing degree-day, °C |
125 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
96 |
165 |
236 |
239 |
861 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
7 |
11 |
15 |
19 |
19 |
19 |
17 |
11 |