| Record high, °C |
34 |
28 |
21 |
19 |
20 |
21 |
28 |
29 |
32 |
32 |
37 |
35 |
37 |
| Average high, °C |
22 |
16 |
7 |
2 |
1 |
2 |
8 |
15 |
21 |
25 |
27 |
26 |
14 |
| Average temperature, °C |
17 |
11 |
5 |
0 |
-1 |
0 |
5 |
11 |
16 |
20 |
21 |
21 |
11 |
| Average low, °C |
12 |
7 |
1 |
-2 |
-4 |
-3 |
1 |
6 |
11 |
15 |
16 |
16 |
6 |
| Record low, °C |
0 |
-7 |
-10 |
-18 |
-20 |
-21 |
-17 |
-5 |
1 |
5 |
7 |
7 |
-21 |
| Rain, days |
8 |
8 |
9 |
7 |
4 |
6 |
8 |
11 |
13 |
11 |
9 |
8 |
102 |
| Snow, days |
0 |
0 |
3 |
6 |
9 |
8 |
5 |
1 |
0 |
0 |
0 |
0 |
32 |
| Fog, days |
16 |
21 |
24 |
27 |
26 |
23 |
25 |
16 |
12 |
11 |
12 |
12 |
225 |
| Thunderstorms, days |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
6 |
9 |
8 |
6 |
32 |
| Average precipitation, mm. |
30 |
20 |
30 |
40 |
30 |
30 |
30 |
30 |
50 |
50 |
40 |
20 |
400 |
| Relative humidity, % |
65 |
74 |
83 |
87 |
84 |
84 |
76 |
65 |
66 |
63 |
61 |
61 |
72 |
| Relative humidity morning, % |
92 |
92 |
94 |
93 |
92 |
92 |
92 |
90 |
90 |
92 |
91 |
90 |
92 |
| Relative humidity evening, % |
55 |
62 |
78 |
85 |
82 |
76 |
66 |
58 |
57 |
58 |
54 |
53 |
65 |
| Wind speed, km/h |
16 |
16 |
17 |
19 |
19 |
19 |
19 |
20 |
16 |
16 |
14 |
16 |
17 |
| Monthly sunshine, часов |
219 |
155 |
60 |
87 |
56 |
109 |
180 |
225 |
301 |
354 |
329 |
310 |
2384 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
16 |
16 |
15 |
13 |
| Dew point, °C |
12 |
7 |
2 |
-1 |
-3 |
-2 |
1 |
5 |
11 |
14 |
16 |
15 |
77 |
| Growing degree-day, °C |
225 |
52 |
0 |
0 |
0 |
0 |
0 |
25 |
198 |
300 |
370 |
353 |
1523 |
| Solar radiation, global, Mj/m2 |
14 |
9 |
5 |
4 |
5 |
8 |
11 |
15 |
20 |
21 |
21 |
19 |
13 |