| Record high, °C |
33 |
28 |
23 |
20 |
18 |
21 |
27 |
30 |
32 |
33 |
38 |
36 |
38 |
| Average high, °C |
22 |
15 |
8 |
5 |
3 |
5 |
11 |
15 |
20 |
23 |
26 |
25 |
15 |
| Average temperature, °C |
16 |
11 |
5 |
2 |
1 |
2 |
6 |
10 |
15 |
18 |
20 |
20 |
11 |
| Average low, °C |
11 |
7 |
2 |
0 |
-2 |
-1 |
2 |
5 |
10 |
13 |
14 |
13 |
6 |
| Record low, °C |
-1 |
-3 |
-12 |
-17 |
-22 |
-20 |
-17 |
-2 |
-1 |
2 |
7 |
3 |
-22 |
| Rain, days |
8 |
11 |
9 |
7 |
6 |
6 |
9 |
12 |
11 |
9 |
7 |
8 |
103 |
| Snow, days |
0 |
0 |
3 |
6 |
8 |
8 |
5 |
2 |
0 |
0 |
0 |
0 |
32 |
| Fog, days |
17 |
19 |
17 |
17 |
19 |
17 |
12 |
11 |
10 |
9 |
10 |
15 |
173 |
| Thunderstorms, days |
2 |
1 |
1 |
1 |
0 |
0 |
0 |
1 |
3 |
4 |
4 |
4 |
21 |
| Average precipitation, mm. |
78 |
65 |
89 |
79 |
55 |
51 |
52 |
74 |
88 |
102 |
80 |
91 |
904 |
| Relative humidity, % |
68 |
71 |
73 |
73 |
73 |
72 |
70 |
72 |
74 |
68 |
61 |
65 |
70 |
| Relative humidity morning, % |
90 |
88 |
86 |
84 |
83 |
84 |
82 |
79 |
80 |
81 |
84 |
89 |
84 |
| Relative humidity evening, % |
57 |
64 |
71 |
73 |
71 |
65 |
55 |
52 |
53 |
54 |
50 |
54 |
60 |
| Wind speed, km/h |
3 |
4 |
4 |
4 |
3 |
4 |
4 |
4 |
4 |
4 |
4 |
3 |
4 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
15 |
16 |
16 |
15 |
13 |
| Dew point, °C |
11 |
7 |
1 |
-1 |
-2 |
-2 |
0 |
3 |
8 |
11 |
13 |
13 |
62 |
| Growing degree-day, °C |
208 |
43 |
0 |
0 |
0 |
0 |
0 |
8 |
155 |
250 |
319 |
301 |
1285 |
| Solar radiation, global, Mj/m2 |
14 |
8 |
5 |
4 |
5 |
8 |
12 |
15 |
20 |
21 |
22 |
19 |
13 |