| Record high, °C |
27 |
26 |
17 |
16 |
13 |
17 |
20 |
22 |
26 |
31 |
32 |
35 |
35 |
| Average high, °C |
19 |
15 |
10 |
8 |
7 |
8 |
11 |
14 |
17 |
20 |
23 |
22 |
14 |
| Average temperature, °C |
14 |
11 |
7 |
5 |
4 |
4 |
7 |
9 |
12 |
15 |
17 |
17 |
10 |
| Average low, °C |
10 |
7 |
4 |
2 |
1 |
1 |
3 |
4 |
7 |
10 |
12 |
12 |
6 |
| Record low, °C |
-1 |
-6 |
-8 |
0 |
-20 |
-12 |
-11 |
-5 |
-2 |
0 |
3 |
2 |
-20 |
| Rain, days |
9 |
10 |
11 |
10 |
11 |
9 |
10 |
9 |
9 |
9 |
8 |
9 |
114 |
| Snow, days |
0 |
0 |
1 |
4 |
4 |
5 |
3 |
2 |
0 |
0 |
0 |
0 |
19 |
| Fog, days |
3 |
4 |
5 |
7 |
5 |
3 |
2 |
2 |
2 |
1 |
1 |
2 |
37 |
| Thunderstorms, days |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
2 |
3 |
2 |
2 |
13 |
| Snowfall, cm. |
0 |
0 |
0 |
8 |
11 |
6 |
2 |
0 |
0 |
0 |
0 |
0 |
27 |
| Average precipitation, mm. |
57 |
54 |
63 |
66 |
60 |
47 |
50 |
46 |
54 |
56 |
51 |
67 |
671 |
| Relative humidity, % |
77 |
82 |
87 |
87 |
85 |
82 |
77 |
75 |
73 |
72 |
71 |
72 |
78 |
| Relative humidity morning, % |
91 |
91 |
90 |
88 |
88 |
88 |
88 |
89 |
88 |
87 |
88 |
91 |
89 |
| Relative humidity evening, % |
62 |
71 |
78 |
82 |
79 |
75 |
67 |
61 |
59 |
60 |
57 |
58 |
67 |
| Wind speed, km/h |
10 |
11 |
11 |
12 |
12 |
13 |
13 |
12 |
11 |
10 |
10 |
10 |
11 |
| Day Length, часов |
13 |
11 |
9 |
9 |
9 |
11 |
13 |
15 |
17 |
18 |
17 |
15 |
13 |
| Dew point, °C |
9 |
6 |
3 |
2 |
1 |
1 |
2 |
3 |
6 |
9 |
11 |
11 |
64 |
| Growing degree-day, °C |
27 |
0 |
0 |
6 |
0 |
0 |
0 |
57 |
152 |
219 |
217 |
136 |
815 |
| Solar radiation, global, Mj/m2 |
10 |
6 |
3 |
2 |
3 |
5 |
8 |
13 |
16 |
17 |
17 |
15 |
10 |