| Record high, °C |
43 |
37 |
31 |
26 |
26 |
30 |
32 |
37 |
35 |
40 |
41 |
43 |
43 |
| Average high, °C |
30 |
26 |
21 |
17 |
16 |
18 |
19 |
22 |
25 |
29 |
32 |
32 |
24 |
| Average temperature, °C |
25 |
21 |
16 |
13 |
12 |
13 |
14 |
17 |
20 |
24 |
26 |
27 |
19 |
| Average low, °C |
20 |
17 |
12 |
8 |
7 |
8 |
9 |
12 |
15 |
18 |
20 |
21 |
14 |
| Record low, °C |
12 |
6 |
0 |
1 |
0 |
0 |
0 |
2 |
7 |
11 |
15 |
17 |
0 |
| Fog, days |
2 |
3 |
1 |
2 |
3 |
4 |
4 |
2 |
1 |
1 |
1 |
1 |
25 |
| Thunderstorms, days |
4 |
4 |
2 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
1 |
3 |
23 |
| Average precipitation, mm. |
28 |
52 |
25 |
31 |
21 |
20 |
23 |
22 |
11 |
4 |
1 |
4 |
243 |
| Relative humidity, % |
66 |
67 |
66 |
67 |
66 |
64 |
64 |
64 |
63 |
61 |
60 |
63 |
64 |
| Relative humidity morning, % |
82 |
83 |
80 |
80 |
80 |
81 |
82 |
80 |
76 |
73 |
73 |
79 |
79 |
| Relative humidity evening, % |
55 |
55 |
53 |
53 |
52 |
50 |
50 |
50 |
50 |
49 |
47 |
52 |
51 |
| Wind speed, km/h |
48 |
47 |
44 |
49 |
50 |
49 |
53 |
57 |
53 |
52 |
48 |
48 |
50 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
12 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
18 |
15 |
10 |
7 |
5 |
6 |
8 |
10 |
13 |
16 |
18 |
19 |
143 |
| Growing degree-day, °C |
450 |
350 |
189 |
78 |
47 |
71 |
130 |
195 |
310 |
405 |
502 |
524 |
3250 |
| Solar radiation, global, Mj/m2 |
18 |
13 |
10 |
8 |
9 |
12 |
16 |
21 |
24 |
26 |
27 |
24 |
17 |