| Record high, °C |
32 |
24 |
16 |
15 |
12 |
15 |
24 |
26 |
33 |
33 |
37 |
33 |
37 |
| Average high, °C |
18 |
12 |
6 |
3 |
2 |
4 |
8 |
13 |
18 |
21 |
22 |
21 |
12 |
| Average temperature, °C |
15 |
11 |
6 |
2 |
1 |
3 |
6 |
10 |
15 |
18 |
19 |
18 |
10 |
| Average low, °C |
8 |
5 |
1 |
-1 |
-2 |
-1 |
0 |
3 |
7 |
10 |
12 |
11 |
4 |
| Record low, °C |
-4 |
-8 |
-18 |
-24 |
-28 |
-28 |
-16 |
-8 |
-2 |
1 |
3 |
2 |
-28 |
| Rain, days |
5 |
6 |
5 |
6 |
5 |
4 |
4 |
5 |
5 |
6 |
7 |
6 |
64 |
| Snow, days |
0 |
0 |
3 |
7 |
9 |
7 |
5 |
3 |
0 |
0 |
0 |
0 |
34 |
| Fog, days |
19 |
18 |
15 |
14 |
14 |
15 |
14 |
15 |
16 |
18 |
17 |
19 |
194 |
| Thunderstorms, days |
3 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
4 |
6 |
5 |
5 |
31 |
| Average precipitation, mm. |
64 |
78 |
86 |
87 |
61 |
58 |
70 |
47 |
68 |
77 |
96 |
91 |
883 |
| Relative humidity, % |
81 |
86 |
88 |
90 |
88 |
85 |
80 |
74 |
71 |
71 |
74 |
76 |
80 |
| Relative humidity morning, % |
91 |
90 |
88 |
88 |
86 |
86 |
86 |
86 |
84 |
85 |
85 |
89 |
87 |
| Relative humidity evening, % |
62 |
68 |
74 |
79 |
77 |
66 |
62 |
54 |
53 |
56 |
55 |
54 |
63 |
| Wind speed, km/h |
6 |
9 |
12 |
14 |
14 |
9 |
9 |
8 |
8 |
12 |
12 |
6 |
10 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
15 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
10 |
6 |
2 |
0 |
-2 |
-1 |
0 |
2 |
6 |
10 |
11 |
12 |
56 |
| Growing degree-day, °C |
150 |
17 |
0 |
0 |
0 |
0 |
0 |
0 |
155 |
233 |
276 |
241 |
1072 |
| Solar radiation, global, Mj/m2 |
10 |
6 |
3 |
2 |
3 |
6 |
9 |
13 |
16 |
17 |
17 |
15 |
10 |