| Record high, °C |
37 |
28 |
23 |
18 |
15 |
20 |
25 |
26 |
32 |
38 |
37 |
42 |
42 |
| Average high, °C |
27 |
21 |
15 |
11 |
9 |
11 |
13 |
18 |
23 |
28 |
32 |
34 |
20 |
| Average temperature, °C |
19 |
14 |
10 |
6 |
5 |
6 |
7 |
12 |
16 |
20 |
23 |
24 |
14 |
| Average low, °C |
12 |
8 |
5 |
2 |
1 |
1 |
2 |
6 |
10 |
13 |
15 |
15 |
8 |
| Record low, °C |
4 |
0 |
-1 |
-6 |
-6 |
-6 |
-3 |
-1 |
0 |
8 |
10 |
8 |
-6 |
| Rain, days |
3 |
7 |
14 |
12 |
11 |
10 |
8 |
7 |
5 |
2 |
1 |
1 |
81 |
| Snow, days |
0 |
0 |
2 |
4 |
5 |
5 |
3 |
0 |
0 |
0 |
0 |
0 |
19 |
| Fog, days |
13 |
9 |
7 |
6 |
8 |
6 |
10 |
11 |
12 |
9 |
9 |
12 |
112 |
| Thunderstorms, days |
4 |
7 |
8 |
5 |
4 |
5 |
5 |
5 |
3 |
3 |
1 |
2 |
52 |
| Average precipitation, mm. |
60 |
180 |
400 |
320 |
290 |
230 |
190 |
90 |
50 |
40 |
10 |
10 |
1870 |
| Relative humidity, % |
64 |
71 |
80 |
82 |
77 |
74 |
70 |
68 |
66 |
59 |
52 |
54 |
68 |
| Relative humidity morning, % |
90 |
89 |
88 |
87 |
86 |
85 |
88 |
89 |
91 |
89 |
86 |
88 |
88 |
| Relative humidity evening, % |
55 |
64 |
69 |
69 |
67 |
64 |
62 |
60 |
58 |
52 |
47 |
48 |
60 |
| Wind speed, km/h |
3 |
3 |
2 |
2 |
3 |
4 |
4 |
4 |
3 |
3 |
3 |
3 |
3 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
12 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
14 |
11 |
7 |
7 |
1 |
2 |
4 |
7 |
11 |
13 |
14 |
15 |
106 |
| Growing degree-day, °C |
300 |
155 |
8 |
0 |
0 |
0 |
0 |
75 |
207 |
333 |
422 |
456 |
1957 |
| Solar radiation, global, Mj/m2 |
16 |
12 |
7 |
6 |
7 |
10 |
14 |
17 |
21 |
25 |
25 |
22 |
15 |