| Record high, °C |
43 |
40 |
35 |
31 |
30 |
28 |
40 |
41 |
40 |
47 |
45 |
47 |
47 |
| Average high, °C |
31 |
28 |
23 |
19 |
17 |
18 |
21 |
24 |
26 |
29 |
31 |
31 |
25 |
| Average temperature, °C |
26 |
23 |
19 |
14 |
13 |
14 |
16 |
19 |
22 |
25 |
26 |
27 |
20 |
| Average low, °C |
21 |
18 |
14 |
9 |
8 |
8 |
10 |
13 |
15 |
18 |
21 |
21 |
15 |
| Record low, °C |
12 |
11 |
7 |
0 |
2 |
0 |
5 |
5 |
10 |
13 |
13 |
20 |
0 |
| Fog, days |
8 |
7 |
3 |
2 |
3 |
3 |
6 |
6 |
9 |
12 |
15 |
14 |
88 |
| Thunderstorms, days |
1 |
1 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
6 |
| Average precipitation, mm. |
12 |
39 |
39 |
54 |
49 |
25 |
23 |
10 |
4 |
1 |
0 |
0 |
255 |
| Relative humidity, % |
67 |
66 |
65 |
68 |
68 |
66 |
65 |
64 |
64 |
63 |
62 |
65 |
65 |
| Relative humidity morning, % |
81 |
78 |
76 |
75 |
77 |
77 |
78 |
78 |
79 |
81 |
82 |
83 |
79 |
| Relative humidity evening, % |
62 |
60 |
60 |
59 |
62 |
58 |
60 |
59 |
60 |
61 |
64 |
63 |
61 |
| Wind speed, km/h |
10 |
11 |
10 |
11 |
12 |
12 |
12 |
13 |
13 |
12 |
11 |
10 |
11 |
| Day Length, часов |
13 |
12 |
11 |
11 |
11 |
12 |
12 |
12 |
14 |
15 |
15 |
14 |
13 |
| Dew point, °C |
20 |
16 |
12 |
8 |
7 |
8 |
9 |
12 |
15 |
18 |
19 |
20 |
163 |
| Growing degree-day, °C |
486 |
397 |
255 |
133 |
90 |
116 |
177 |
267 |
363 |
453 |
508 |
539 |
3784 |
| Solar radiation, global, Mj/m2 |
22 |
17 |
12 |
10 |
11 |
15 |
19 |
24 |
26 |
28 |
29 |
27 |
20 |