| Record high, °C |
41 |
37 |
34 |
30 |
25 |
28 |
37 |
37 |
41 |
46 |
41 |
42 |
46 |
| Average high, °C |
29 |
27 |
23 |
18 |
16 |
18 |
20 |
23 |
26 |
28 |
28 |
29 |
24 |
| Average temperature, °C |
24 |
23 |
19 |
15 |
13 |
14 |
16 |
18 |
21 |
24 |
25 |
25 |
20 |
| Average low, °C |
20 |
18 |
14 |
11 |
9 |
10 |
11 |
14 |
17 |
19 |
21 |
21 |
15 |
| Record low, °C |
15 |
8 |
6 |
0 |
0 |
1 |
2 |
2 |
7 |
10 |
12 |
16 |
0 |
| Fog, days |
15 |
13 |
14 |
14 |
15 |
13 |
14 |
11 |
13 |
13 |
21 |
20 |
176 |
| Thunderstorms, days |
2 |
2 |
2 |
3 |
4 |
3 |
2 |
2 |
1 |
1 |
1 |
1 |
24 |
| Average precipitation, mm. |
3 |
19 |
40 |
64 |
67 |
40 |
21 |
5 |
3 |
0 |
0 |
0 |
262 |
| Relative humidity, % |
59 |
62 |
64 |
65 |
65 |
63 |
61 |
59 |
57 |
54 |
55 |
57 |
60 |
| Relative humidity morning, % |
74 |
73 |
78 |
81 |
83 |
81 |
77 |
65 |
60 |
60 |
73 |
77 |
74 |
| Relative humidity evening, % |
52 |
53 |
59 |
64 |
66 |
61 |
54 |
46 |
43 |
42 |
50 |
52 |
54 |
| Wind speed, km/h |
20 |
19 |
19 |
17 |
17 |
25 |
19 |
20 |
20 |
20 |
20 |
19 |
20 |
| Day Length, часов |
13 |
12 |
11 |
11 |
11 |
12 |
12 |
13 |
14 |
15 |
15 |
14 |
13 |
| Dew point, °C |
17 |
14 |
11 |
8 |
7 |
7 |
8 |
8 |
11 |
14 |
18 |
18 |
141 |
| Growing degree-day, °C |
433 |
379 |
250 |
129 |
69 |
110 |
164 |
250 |
344 |
400 |
439 |
456 |
3424 |
| Solar radiation, global, Mj/m2 |
22 |
16 |
12 |
10 |
10 |
14 |
19 |
24 |
26 |
29 |
29 |
26 |
20 |