| Record high, °C |
36 |
32 |
27 |
24 |
22 |
23 |
28 |
34 |
36 |
38 |
42 |
40 |
42 |
| Average high, °C |
25 |
18 |
12 |
6 |
4 |
6 |
10 |
16 |
22 |
27 |
30 |
29 |
17 |
| Average temperature, °C |
20 |
14 |
9 |
3 |
0 |
2 |
6 |
11 |
17 |
22 |
25 |
25 |
13 |
| Average low, °C |
16 |
10 |
5 |
-0 |
-3 |
-2 |
1 |
7 |
12 |
18 |
21 |
20 |
9 |
| Record low, °C |
7 |
-1 |
-8 |
-18 |
-19 |
-19 |
-13 |
-6 |
3 |
8 |
13 |
11 |
-19 |
| Rain, days |
8 |
8 |
9 |
10 |
11 |
10 |
11 |
11 |
11 |
10 |
11 |
10 |
120 |
| Snow, days |
0 |
0 |
0 |
3 |
5 |
3 |
2 |
0 |
0 |
0 |
0 |
0 |
13 |
| Fog, days |
8 |
8 |
9 |
10 |
10 |
9 |
10 |
10 |
11 |
9 |
8 |
8 |
110 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
1 |
2 |
3 |
4 |
5 |
5 |
23 |
| Snowfall, cm. |
0 |
0 |
1 |
13 |
19 |
23 |
11 |
1 |
0 |
0 |
0 |
0 |
68 |
| Average precipitation, mm. |
109 |
104 |
102 |
102 |
91 |
76 |
104 |
109 |
114 |
107 |
114 |
112 |
1245 |
| Relative humidity, % |
66 |
64 |
62 |
60 |
60 |
56 |
58 |
58 |
62 |
65 |
63 |
65 |
62 |
| Relative humidity morning, % |
76 |
74 |
71 |
68 |
67 |
67 |
67 |
67 |
71 |
71 |
73 |
75 |
71 |
| Relative humidity evening, % |
56 |
55 |
57 |
59 |
57 |
55 |
52 |
51 |
53 |
53 |
54 |
56 |
55 |
| Wind speed, km/h |
17 |
18 |
20 |
21 |
21 |
21 |
21 |
20 |
18 |
17 |
16 |
16 |
19 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
13 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
13 |
7 |
1 |
-3 |
-6 |
-6 |
-2 |
2 |
8 |
13 |
17 |
16 |
60 |
| Growing degree-day, °C |
562 |
241 |
60 |
6 |
3 |
3 |
22 |
134 |
396 |
661 |
846 |
809 |
3743 |
| Solar radiation, global, Mj/m2 |
15 |
11 |
7 |
6 |
7 |
10 |
14 |
16 |
19 |
21 |
20 |
18 |
14 |