| Record high, °C |
37 |
37 |
27 |
23 |
22 |
25 |
28 |
31 |
37 |
40 |
40 |
41 |
41 |
| Average high, °C |
26 |
21 |
16 |
11 |
9 |
10 |
13 |
18 |
23 |
28 |
30 |
30 |
20 |
| Average temperature, °C |
19 |
15 |
10 |
7 |
5 |
6 |
8 |
12 |
17 |
21 |
23 |
23 |
14 |
| Average low, °C |
13 |
9 |
6 |
3 |
1 |
2 |
3 |
7 |
10 |
14 |
16 |
16 |
8 |
| Record low, °C |
5 |
0 |
-3 |
-5 |
-12 |
-15 |
-7 |
-2 |
1 |
2 |
8 |
6 |
-15 |
| Rain, days |
8 |
13 |
16 |
17 |
16 |
13 |
14 |
13 |
11 |
8 |
6 |
7 |
142 |
| Snow, days |
0 |
0 |
0 |
2 |
5 |
6 |
2 |
0 |
0 |
0 |
0 |
0 |
15 |
| Fog, days |
10 |
14 |
16 |
14 |
14 |
13 |
15 |
13 |
11 |
7 |
9 |
9 |
145 |
| Thunderstorms, days |
1 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
3 |
3 |
1 |
1 |
15 |
| Average precipitation, mm. |
38 |
62 |
80 |
102 |
90 |
76 |
68 |
61 |
52 |
33 |
20 |
20 |
702 |
| Relative humidity morning, % |
86 |
89 |
87 |
83 |
82 |
83 |
86 |
87 |
88 |
86 |
84 |
85 |
86 |
| Relative humidity evening, % |
47 |
57 |
63 |
68 |
68 |
66 |
63 |
57 |
56 |
48 |
45 |
46 |
57 |
| Wind speed, km/h |
8 |
6 |
6 |
8 |
9 |
8 |
9 |
9 |
8 |
9 |
12 |
8 |
8 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
12 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
12 |
10 |
6 |
2 |
0 |
1 |
3 |
7 |
11 |
13 |
15 |
15 |
95 |
| Growing degree-day, °C |
275 |
146 |
17 |
0 |
0 |
0 |
0 |
67 |
198 |
325 |
396 |
396 |
1820 |
| Solar radiation, global, Mj/m2 |
17 |
11 |
7 |
5 |
6 |
8 |
13 |
16 |
21 |
24 |
24 |
21 |
15 |