| Record high, °C |
40 |
38 |
31 |
22 |
22 |
23 |
30 |
36 |
40 |
38 |
42 |
41 |
42 |
| Average high, °C |
34 |
28 |
22 |
16 |
14 |
15 |
19 |
23 |
28 |
33 |
35 |
36 |
25 |
| Average temperature, °C |
26 |
22 |
16 |
11 |
9 |
11 |
14 |
18 |
21 |
26 |
29 |
29 |
19 |
| Average low, °C |
19 |
15 |
11 |
6 |
5 |
6 |
8 |
12 |
15 |
19 |
22 |
22 |
13 |
| Record low, °C |
12 |
1 |
-3 |
-3 |
-3 |
-7 |
-2 |
1 |
7 |
11 |
13 |
16 |
-7 |
| Fog, days |
12 |
4 |
3 |
4 |
5 |
5 |
8 |
12 |
15 |
19 |
23 |
22 |
132 |
| Thunderstorms, days |
2 |
5 |
3 |
2 |
2 |
2 |
4 |
4 |
5 |
3 |
1 |
1 |
34 |
| Average precipitation, mm. |
27 |
58 |
68 |
125 |
108 |
89 |
100 |
98 |
87 |
58 |
21 |
18 |
857 |
| Relative humidity morning, % |
79 |
72 |
71 |
74 |
72 |
74 |
79 |
85 |
87 |
88 |
86 |
86 |
79 |
| Relative humidity evening, % |
40 |
38 |
45 |
54 |
52 |
52 |
50 |
50 |
48 |
47 |
48 |
47 |
48 |
| Wind speed, km/h |
8 |
9 |
9 |
14 |
14 |
14 |
12 |
9 |
6 |
12 |
12 |
12 |
11 |
| Day Length, часов |
13 |
12 |
11 |
10 |
10 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
16 |
11 |
6 |
3 |
1 |
2 |
6 |
10 |
13 |
17 |
20 |
20 |
125 |
| Growing degree-day, °C |
492 |
353 |
183 |
17 |
0 |
8 |
103 |
217 |
353 |
475 |
568 |
577 |
3346 |
| Solar radiation, global, Mj/m2 |
19 |
13 |
9 |
7 |
8 |
11 |
14 |
17 |
22 |
26 |
27 |
24 |
16 |