| Record high, °C |
33 |
27 |
21 |
20 |
15 |
20 |
26 |
27 |
32 |
34 |
37 |
36 |
37 |
| Average high, °C |
22 |
15 |
7 |
3 |
2 |
4 |
11 |
15 |
20 |
23 |
26 |
25 |
14 |
| Average temperature, °C |
17 |
11 |
5 |
1 |
0 |
1 |
7 |
11 |
16 |
19 |
21 |
20 |
11 |
| Average low, °C |
12 |
7 |
2 |
0 |
-2 |
-1 |
3 |
7 |
12 |
15 |
16 |
16 |
7 |
| Record low, °C |
1 |
-5 |
-13 |
-20 |
-26 |
-22 |
-19 |
-2 |
-2 |
5 |
8 |
7 |
-26 |
| Rain, days |
6 |
8 |
9 |
8 |
5 |
6 |
8 |
11 |
11 |
11 |
8 |
7 |
98 |
| Snow, days |
0 |
0 |
2 |
5 |
5 |
4 |
2 |
0 |
0 |
0 |
0 |
0 |
18 |
| Fog, days |
13 |
16 |
16 |
15 |
17 |
13 |
10 |
6 |
5 |
6 |
8 |
9 |
134 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
3 |
4 |
4 |
3 |
16 |
| Average precipitation, mm. |
54 |
43 |
59 |
50 |
37 |
34 |
35 |
55 |
63 |
84 |
67 |
62 |
643 |
| Relative humidity, % |
71 |
75 |
82 |
86 |
84 |
78 |
70 |
66 |
64 |
65 |
64 |
66 |
73 |
| Relative humidity morning, % |
92 |
92 |
94 |
92 |
92 |
92 |
91 |
88 |
84 |
84 |
83 |
87 |
89 |
| Relative humidity evening, % |
53 |
60 |
80 |
83 |
81 |
71 |
58 |
55 |
54 |
54 |
49 |
50 |
62 |
| Wind speed, km/h |
8 |
8 |
8 |
9 |
8 |
9 |
9 |
9 |
9 |
8 |
8 |
8 |
8 |
| Monthly sunshine, часов |
197 |
153 |
80 |
53 |
62 |
98 |
148 |
192 |
244 |
260 |
290 |
274 |
2050 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
16 |
16 |
15 |
13 |
| Dew point, °C |
11 |
7 |
2 |
0 |
-2 |
-1 |
2 |
5 |
10 |
13 |
14 |
14 |
75 |
| Growing degree-day, °C |
225 |
43 |
0 |
0 |
0 |
0 |
0 |
33 |
198 |
292 |
353 |
327 |
1472 |
| Solar radiation, global, Mj/m2 |
14 |
9 |
5 |
4 |
5 |
8 |
12 |
15 |
19 |
21 |
21 |
19 |
13 |