| Record high, °C |
40 |
38 |
32 |
30 |
25 |
30 |
28 |
33 |
32 |
40 |
42 |
47 |
47 |
| Average high, °C |
29 |
25 |
20 |
17 |
16 |
17 |
18 |
21 |
23 |
27 |
31 |
31 |
23 |
| Average temperature, °C |
23 |
20 |
15 |
12 |
11 |
12 |
13 |
15 |
18 |
22 |
25 |
26 |
18 |
| Average low, °C |
18 |
14 |
10 |
7 |
6 |
7 |
8 |
10 |
12 |
16 |
19 |
19 |
12 |
| Record low, °C |
11 |
2 |
1 |
-2 |
-2 |
-1 |
-1 |
1 |
2 |
8 |
11 |
10 |
-2 |
| Fog, days |
8 |
6 |
6 |
6 |
5 |
6 |
7 |
9 |
12 |
11 |
12 |
11 |
99 |
| Thunderstorms, days |
4 |
5 |
4 |
4 |
3 |
4 |
4 |
4 |
4 |
4 |
2 |
2 |
44 |
| Average precipitation, mm. |
32 |
80 |
88 |
105 |
91 |
81 |
65 |
67 |
32 |
15 |
1 |
5 |
661 |
| Relative humidity, % |
68 |
71 |
72 |
74 |
73 |
71 |
70 |
69 |
67 |
63 |
61 |
64 |
69 |
| Relative humidity morning, % |
85 |
84 |
85 |
85 |
86 |
86 |
88 |
87 |
88 |
85 |
83 |
84 |
86 |
| Relative humidity evening, % |
57 |
60 |
63 |
66 |
64 |
64 |
63 |
62 |
62 |
56 |
53 |
54 |
60 |
| Wind speed, km/h |
25 |
25 |
25 |
26 |
26 |
30 |
35 |
31 |
28 |
28 |
26 |
30 |
28 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
12 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
17 |
14 |
10 |
8 |
7 |
7 |
8 |
9 |
12 |
14 |
17 |
18 |
141 |
| Growing degree-day, °C |
402 |
295 |
159 |
68 |
40 |
57 |
90 |
144 |
248 |
348 |
462 |
481 |
2793 |
| Solar radiation, global, Mj/m2 |
20 |
14 |
10 |
8 |
9 |
13 |
18 |
22 |
25 |
28 |
27 |
25 |
18 |