| Record high, °C |
43 |
40 |
37 |
28 |
35 |
41 |
37 |
40 |
43 |
45 |
42 |
43 |
45 |
| Average high, °C |
28 |
26 |
22 |
18 |
16 |
17 |
20 |
22 |
24 |
27 |
28 |
29 |
23 |
| Average temperature, °C |
26 |
23 |
18 |
15 |
13 |
15 |
16 |
18 |
21 |
24 |
25 |
26 |
20 |
| Average low, °C |
22 |
20 |
15 |
12 |
10 |
11 |
12 |
15 |
18 |
21 |
23 |
23 |
17 |
| Record low, °C |
17 |
11 |
2 |
1 |
0 |
0 |
7 |
8 |
8 |
12 |
17 |
15 |
0 |
| Fog, days |
9 |
9 |
3 |
3 |
3 |
4 |
5 |
6 |
10 |
13 |
13 |
13 |
91 |
| Thunderstorms, days |
1 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
5 |
| Average precipitation, mm. |
10 |
20 |
20 |
40 |
30 |
20 |
10 |
0 |
0 |
0 |
0 |
0 |
150 |
| Relative humidity morning, % |
78 |
77 |
74 |
74 |
77 |
73 |
74 |
73 |
75 |
76 |
80 |
81 |
76 |
| Relative humidity evening, % |
69 |
65 |
59 |
60 |
61 |
60 |
62 |
64 |
68 |
70 |
71 |
69 |
65 |
| Wind speed, km/h |
17 |
17 |
19 |
19 |
20 |
20 |
20 |
20 |
19 |
17 |
17 |
17 |
19 |
| Day Length, часов |
13 |
12 |
11 |
11 |
11 |
12 |
12 |
13 |
14 |
15 |
14 |
14 |
13 |
| Dew point, °C |
20 |
16 |
12 |
8 |
7 |
7 |
8 |
11 |
14 |
17 |
20 |
21 |
161 |
| Growing degree-day, °C |
475 |
422 |
267 |
164 |
112 |
126 |
198 |
267 |
353 |
425 |
491 |
517 |
3815 |
| Solar radiation, global, Mj/m2 |
22 |
18 |
13 |
11 |
12 |
16 |
20 |
24 |
27 |
29 |
30 |
27 |
21 |