| Record high, °C |
33 |
28 |
22 |
17 |
13 |
18 |
25 |
26 |
28 |
32 |
37 |
35 |
37 |
| Average high, °C |
20 |
13 |
6 |
2 |
1 |
3 |
9 |
12 |
17 |
21 |
23 |
23 |
13 |
| Average temperature, °C |
15 |
10 |
4 |
0 |
-1 |
1 |
5 |
8 |
13 |
17 |
19 |
18 |
9 |
| Average low, °C |
11 |
6 |
1 |
-1 |
-3 |
-1 |
1 |
5 |
10 |
13 |
15 |
14 |
6 |
| Record low, °C |
-2 |
-7 |
-18 |
-21 |
-27 |
-21 |
-15 |
-4 |
0 |
0 |
-20 |
4 |
-27 |
| Rain, days |
10 |
12 |
10 |
8 |
6 |
7 |
11 |
16 |
15 |
13 |
10 |
11 |
129 |
| Snow, days |
0 |
1 |
4 |
9 |
10 |
9 |
7 |
3 |
0 |
0 |
0 |
0 |
43 |
| Fog, days |
18 |
16 |
14 |
16 |
17 |
12 |
8 |
7 |
10 |
13 |
14 |
18 |
163 |
| Thunderstorms, days |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
2 |
4 |
3 |
3 |
14 |
| Average precipitation, mm. |
60 |
70 |
100 |
80 |
50 |
50 |
50 |
60 |
70 |
70 |
60 |
60 |
780 |
| Relative humidity, % |
80 |
85 |
85 |
90 |
90 |
80 |
75 |
70 |
75 |
75 |
70 |
75 |
79 |
| Relative humidity morning, % |
93 |
91 |
90 |
87 |
87 |
87 |
88 |
85 |
85 |
87 |
88 |
92 |
88 |
| Relative humidity evening, % |
57 |
64 |
73 |
78 |
73 |
65 |
56 |
54 |
55 |
55 |
47 |
51 |
61 |
| Wind speed, km/h |
8 |
8 |
9 |
9 |
8 |
8 |
9 |
9 |
9 |
8 |
8 |
8 |
8 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
13 |
14 |
15 |
16 |
16 |
15 |
13 |
| Dew point, °C |
10 |
6 |
0 |
-2 |
-4 |
-2 |
0 |
2 |
7 |
11 |
12 |
11 |
51 |
| Growing degree-day, °C |
167 |
9 |
0 |
0 |
0 |
0 |
0 |
0 |
129 |
217 |
293 |
276 |
1090 |
| Solar radiation, global, Mj/m2 |
14 |
9 |
5 |
4 |
5 |
8 |
11 |
14 |
18 |
20 |
21 |
19 |
12 |