| Record high, °C |
32 |
37 |
40 |
38 |
38 |
37 |
38 |
37 |
31 |
33 |
26 |
30 |
40 |
| Average high, °C |
23 |
28 |
32 |
34 |
35 |
33 |
30 |
26 |
21 |
16 |
16 |
20 |
26 |
| Average temperature, °C |
15 |
19 |
23 |
26 |
26 |
25 |
22 |
18 |
13 |
9 |
9 |
11 |
18 |
| Average low, °C |
6 |
11 |
15 |
18 |
19 |
19 |
16 |
11 |
5 |
1 |
1 |
3 |
11 |
| Record low, °C |
-2 |
3 |
3 |
13 |
13 |
11 |
11 |
4 |
-3 |
-6 |
-6 |
-5 |
-6 |
| Fog, days |
3 |
1 |
1 |
0 |
0 |
0 |
0 |
7 |
8 |
13 |
11 |
6 |
50 |
| Thunderstorms, days |
0 |
0 |
4 |
7 |
12 |
11 |
5 |
1 |
0 |
0 |
0 |
0 |
40 |
| Average precipitation, mm. |
5 |
8 |
15 |
23 |
32 |
30 |
20 |
7 |
2 |
1 |
3 |
1 |
147 |
| Relative humidity, % |
49 |
48 |
47 |
47 |
50 |
55 |
61 |
64 |
66 |
66 |
63 |
53 |
56 |
| Relative humidity morning, % |
64 |
55 |
58 |
61 |
70 |
66 |
72 |
74 |
75 |
75 |
71 |
57 |
67 |
| Relative humidity evening, % |
26 |
22 |
27 |
27 |
32 |
31 |
38 |
38 |
39 |
41 |
36 |
22 |
32 |
| Wind speed, km/h |
8 |
9 |
9 |
9 |
8 |
8 |
7 |
6 |
6 |
6 |
6 |
8 |
8 |
| Day Length, часов |
12 |
13 |
14 |
15 |
14 |
14 |
13 |
13 |
11 |
11 |
11 |
11 |
13 |
| Dew point, °C |
4 |
8 |
11 |
14 |
15 |
15 |
14 |
11 |
7 |
3 |
2 |
2 |
106 |
| Growing degree-day, °C |
144 |
288 |
384 |
481 |
505 |
421 |
369 |
228 |
93 |
0 |
0 |
43 |
2956 |
| Solar radiation, global, Mj/m2 |
19 |
24 |
27 |
27 |
26 |
24 |
20 |
16 |
12 |
11 |
11 |
15 |
19 |