| Record high, °C |
30 |
23 |
18 |
14 |
12 |
17 |
22 |
27 |
29 |
32 |
35 |
35 |
35 |
| Average high, °C |
17 |
12 |
6 |
3 |
2 |
3 |
7 |
11 |
16 |
19 |
21 |
21 |
12 |
| Average temperature, °C |
13 |
9 |
4 |
1 |
0 |
1 |
4 |
7 |
12 |
15 |
16 |
16 |
8 |
| Average low, °C |
9 |
5 |
1 |
0 |
-2 |
-1 |
1 |
3 |
7 |
10 |
12 |
11 |
5 |
| Record low, °C |
0 |
-3 |
-11 |
0 |
-19 |
-19 |
-13 |
-7 |
-2 |
1 |
4 |
3 |
-19 |
| Rain, days |
12 |
12 |
16 |
16 |
18 |
13 |
14 |
13 |
14 |
13 |
12 |
13 |
166 |
| Snow, days |
0 |
0 |
2 |
5 |
7 |
6 |
4 |
2 |
1 |
0 |
0 |
0 |
27 |
| Fog, days |
20 |
24 |
22 |
22 |
21 |
19 |
19 |
16 |
16 |
16 |
15 |
18 |
228 |
| Thunderstorms, days |
21 |
25 |
24 |
24 |
23 |
19 |
19 |
16 |
16 |
17 |
17 |
19 |
240 |
| Snowfall, cm. |
0 |
0 |
5 |
12 |
16 |
16 |
8 |
4 |
0 |
0 |
0 |
0 |
61 |
| Average precipitation, mm. |
50 |
50 |
60 |
60 |
50 |
50 |
50 |
40 |
50 |
60 |
60 |
50 |
630 |
| Relative humidity, % |
80 |
84 |
90 |
93 |
88 |
85 |
76 |
72 |
72 |
74 |
74 |
78 |
81 |
| Relative humidity morning, % |
85 |
87 |
85 |
83 |
83 |
77 |
80 |
78 |
81 |
81 |
80 |
79 |
82 |
| Relative humidity evening, % |
67 |
75 |
79 |
81 |
80 |
70 |
67 |
61 |
61 |
62 |
57 |
57 |
68 |
| Wind speed, km/h |
12 |
12 |
12 |
12 |
14 |
14 |
12 |
9 |
9 |
8 |
8 |
9 |
11 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
8 |
6 |
1 |
0 |
-2 |
-3 |
0 |
1 |
6 |
9 |
11 |
11 |
48 |
| Growing degree-day, °C |
117 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
69 |
150 |
207 |
207 |
749 |
| Solar radiation, global, Mj/m2 |
11 |
6 |
4 |
3 |
3 |
6 |
9 |
14 |
17 |
18 |
18 |
16 |
10 |