| Record high, °C |
29 |
35 |
38 |
41 |
45 |
42 |
40 |
33 |
26 |
21 |
18 |
24 |
45 |
| Average high, °C |
16 |
18 |
21 |
23 |
26 |
25 |
23 |
20 |
16 |
13 |
12 |
13 |
19 |
| Average temperature, °C |
11 |
13 |
15 |
17 |
20 |
19 |
18 |
15 |
11 |
10 |
8 |
10 |
14 |
| Average low, °C |
6 |
7 |
9 |
11 |
13 |
13 |
12 |
9 |
7 |
5 |
5 |
5 |
9 |
| Record low, °C |
-1 |
0 |
2 |
3 |
5 |
5 |
3 |
2 |
0 |
-3 |
-2 |
-2 |
-3 |
| Rain, days |
15 |
14 |
12 |
10 |
7 |
7 |
9 |
12 |
13 |
13 |
15 |
16 |
143 |
| Fog, days |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
3 |
4 |
3 |
2 |
21 |
| Thunderstorms, days |
0 |
1 |
1 |
2 |
2 |
2 |
1 |
1 |
0 |
0 |
0 |
0 |
10 |
| Average precipitation, mm. |
50 |
50 |
50 |
50 |
40 |
40 |
40 |
50 |
50 |
30 |
40 |
40 |
530 |
| Relative humidity morning, % |
84 |
83 |
80 |
79 |
78 |
79 |
80 |
81 |
85 |
86 |
86 |
86 |
82 |
| Relative humidity evening, % |
58 |
56 |
51 |
48 |
46 |
49 |
49 |
54 |
64 |
68 |
67 |
63 |
56 |
| Wind speed, km/h |
25 |
25 |
17 |
19 |
19 |
17 |
16 |
20 |
20 |
22 |
22 |
25 |
21 |
| Day Length, часов |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
12 |
11 |
10 |
10 |
11 |
13 |
| Dew point, °C |
6 |
7 |
8 |
9 |
10 |
11 |
10 |
8 |
7 |
6 |
5 |
5 |
92 |
| Growing degree-day, °C |
42 |
103 |
158 |
241 |
301 |
267 |
250 |
142 |
60 |
0 |
0 |
0 |
1564 |
| Solar radiation, global, Mj/m2 |
13 |
17 |
21 |
23 |
23 |
21 |
17 |
12 |
8 |
6 |
7 |
10 |
15 |