| Record high, °C |
46 |
42 |
37 |
31 |
32 |
33 |
37 |
41 |
43 |
47 |
47 |
48 |
48 |
| Average high, °C |
31 |
27 |
23 |
18 |
17 |
19 |
21 |
24 |
27 |
30 |
31 |
32 |
25 |
| Average temperature, °C |
27 |
23 |
18 |
14 |
13 |
14 |
16 |
19 |
23 |
26 |
28 |
28 |
21 |
| Average low, °C |
22 |
18 |
13 |
9 |
8 |
9 |
11 |
14 |
17 |
20 |
22 |
23 |
15 |
| Record low, °C |
12 |
0 |
1 |
0 |
0 |
1 |
2 |
2 |
7 |
11 |
12 |
14 |
0 |
| Fog, days |
9 |
9 |
7 |
6 |
6 |
7 |
9 |
8 |
10 |
9 |
13 |
14 |
107 |
| Thunderstorms, days |
1 |
2 |
2 |
2 |
2 |
1 |
1 |
1 |
1 |
1 |
0 |
0 |
14 |
| Average precipitation, mm. |
15 |
45 |
41 |
49 |
47 |
27 |
27 |
16 |
4 |
1 |
0 |
0 |
271 |
| Relative humidity, % |
68 |
67 |
65 |
68 |
68 |
66 |
66 |
65 |
65 |
65 |
64 |
66 |
66 |
| Relative humidity morning, % |
78 |
79 |
82 |
82 |
84 |
82 |
81 |
75 |
68 |
67 |
71 |
75 |
77 |
| Relative humidity evening, % |
46 |
50 |
56 |
58 |
59 |
52 |
52 |
46 |
42 |
41 |
40 |
42 |
49 |
| Wind speed, km/h |
39 |
35 |
32 |
36 |
37 |
37 |
44 |
47 |
45 |
44 |
37 |
37 |
39 |
| Day Length, часов |
13 |
12 |
11 |
11 |
11 |
12 |
12 |
12 |
14 |
15 |
15 |
14 |
13 |
| Dew point, °C |
20 |
17 |
12 |
8 |
7 |
8 |
9 |
13 |
16 |
19 |
20 |
22 |
169 |
| Growing degree-day, °C |
504 |
406 |
243 |
115 |
81 |
110 |
180 |
276 |
394 |
483 |
543 |
570 |
3904 |
| Solar radiation, global, Mj/m2 |
22 |
17 |
12 |
10 |
11 |
15 |
19 |
24 |
27 |
29 |
30 |
27 |
20 |