| Record high, °C |
31 |
23 |
15 |
13 |
13 |
16 |
21 |
22 |
28 |
32 |
33 |
33 |
33 |
| Average high, °C |
17 |
12 |
6 |
3 |
2 |
3 |
7 |
11 |
16 |
19 |
21 |
21 |
12 |
| Average temperature, °C |
13 |
8 |
4 |
2 |
1 |
2 |
4 |
7 |
12 |
15 |
17 |
16 |
8 |
| Average low, °C |
10 |
6 |
1 |
0 |
-1 |
-1 |
1 |
3 |
7 |
10 |
12 |
12 |
5 |
| Record low, °C |
2 |
-3 |
-8 |
-13 |
0 |
-15 |
-11 |
-6 |
-2 |
2 |
3 |
5 |
-15 |
| Rain, days |
7 |
6 |
6 |
8 |
7 |
6 |
5 |
5 |
7 |
7 |
6 |
8 |
78 |
| Snow, days |
7 |
12 |
10 |
10 |
10 |
7 |
5 |
4 |
5 |
4 |
3 |
6 |
83 |
| Fog, days |
20 |
24 |
22 |
22 |
21 |
19 |
19 |
16 |
16 |
16 |
15 |
18 |
228 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
1 |
1 |
1 |
2 |
5 |
6 |
5 |
5 |
29 |
| Snowfall, cm. |
0 |
0 |
5 |
12 |
16 |
16 |
8 |
4 |
0 |
0 |
0 |
0 |
61 |
| Average precipitation, mm. |
55 |
52 |
66 |
76 |
58 |
51 |
44 |
39 |
48 |
68 |
71 |
63 |
691 |
| Relative humidity, % |
80 |
85 |
90 |
90 |
90 |
85 |
75 |
70 |
70 |
70 |
70 |
70 |
79 |
| Relative humidity morning, % |
91 |
92 |
92 |
91 |
92 |
88 |
88 |
83 |
81 |
83 |
83 |
86 |
88 |
| Relative humidity evening, % |
63 |
73 |
81 |
86 |
85 |
73 |
66 |
56 |
55 |
57 |
55 |
56 |
67 |
| Wind speed, km/h |
14 |
12 |
16 |
17 |
17 |
17 |
17 |
16 |
14 |
14 |
14 |
12 |
15 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
9 |
6 |
1 |
0 |
-1 |
-2 |
0 |
1 |
5 |
9 |
10 |
11 |
49 |
| Growing degree-day, °C |
83 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
52 |
150 |
207 |
172 |
664 |
| Solar radiation, global, Mj/m2 |
11 |
6 |
4 |
3 |
3 |
6 |
9 |
14 |
17 |
18 |
18 |
16 |
10 |