| Record high, °C |
40 |
35 |
32 |
28 |
31 |
36 |
38 |
38 |
37 |
37 |
38 |
38 |
40 |
| Average high, °C |
31 |
28 |
23 |
19 |
17 |
17 |
21 |
26 |
30 |
31 |
32 |
32 |
26 |
| Average temperature, °C |
27 |
24 |
19 |
15 |
13 |
14 |
18 |
23 |
27 |
28 |
29 |
29 |
22 |
| Average low, °C |
23 |
19 |
15 |
11 |
9 |
11 |
14 |
19 |
22 |
24 |
25 |
24 |
18 |
| Record low, °C |
16 |
8 |
3 |
0 |
-1 |
1 |
4 |
10 |
12 |
17 |
21 |
20 |
-1 |
| Fog, days |
10 |
14 |
16 |
19 |
13 |
10 |
11 |
9 |
4 |
4 |
3 |
8 |
121 |
| Thunderstorms, days |
5 |
1 |
0 |
0 |
0 |
1 |
2 |
6 |
9 |
11 |
12 |
10 |
57 |
| Average precipitation, mm. |
129 |
72 |
43 |
25 |
37 |
43 |
61 |
100 |
191 |
241 |
218 |
225 |
1383 |
| Relative humidity, % |
75 |
74 |
74 |
74 |
75 |
81 |
81 |
80 |
77 |
78 |
77 |
78 |
77 |
| Relative humidity morning, % |
87 |
85 |
86 |
85 |
87 |
88 |
89 |
89 |
87 |
88 |
88 |
89 |
87 |
| Relative humidity evening, % |
64 |
60 |
57 |
54 |
66 |
70 |
71 |
71 |
69 |
69 |
69 |
68 |
66 |
| Wind speed, km/h |
21 |
22 |
21 |
21 |
25 |
26 |
27 |
27 |
26 |
25 |
26 |
21 |
24 |
| Day Length, часов |
13 |
12 |
11 |
11 |
11 |
12 |
12 |
12 |
14 |
14 |
14 |
13 |
12 |
| Dew point, °C |
23 |
19 |
15 |
11 |
9 |
11 |
15 |
19 |
22 |
24 |
25 |
25 |
216 |
| Growing degree-day, °C |
519 |
431 |
276 |
164 |
105 |
124 |
251 |
381 |
515 |
543 |
589 |
577 |
4475 |
| Solar radiation, global, Mj/m2 |
15 |
13 |
11 |
10 |
8 |
9 |
11 |
13 |
15 |
15 |
16 |
16 |
13 |