| Record high, °C |
32 |
30 |
25 |
20 |
17 |
17 |
22 |
28 |
32 |
35 |
37 |
36 |
37 |
| Average high, °C |
25 |
19 |
11 |
4 |
1 |
3 |
10 |
17 |
22 |
26 |
28 |
29 |
16 |
| Average temperature, °C |
20 |
13 |
6 |
0 |
-3 |
-1 |
5 |
11 |
17 |
22 |
25 |
25 |
12 |
| Average low, °C |
15 |
7 |
1 |
-5 |
-8 |
-5 |
0 |
5 |
11 |
16 |
21 |
21 |
7 |
| Record low, °C |
5 |
-3 |
-11 |
-20 |
-22 |
0 |
-11 |
-2 |
2 |
7 |
7 |
13 |
-22 |
| Rain, days |
10 |
8 |
10 |
7 |
4 |
5 |
8 |
11 |
10 |
12 |
18 |
16 |
119 |
| Snow, days |
0 |
0 |
1 |
5 |
8 |
6 |
2 |
0 |
0 |
0 |
0 |
0 |
22 |
| Fog, days |
27 |
28 |
26 |
27 |
25 |
22 |
26 |
25 |
27 |
27 |
27 |
28 |
315 |
| Thunderstorms, days |
2 |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
2 |
5 |
5 |
18 |
| Average precipitation, mm. |
148 |
55 |
54 |
23 |
25 |
30 |
47 |
92 |
87 |
119 |
336 |
280 |
1296 |
| Relative humidity morning, % |
91 |
89 |
84 |
79 |
75 |
75 |
80 |
83 |
87 |
89 |
92 |
91 |
85 |
| Relative humidity evening, % |
56 |
50 |
54 |
54 |
54 |
52 |
48 |
47 |
49 |
55 |
68 |
63 |
54 |
| Wind speed, km/h |
6 |
6 |
6 |
6 |
9 |
9 |
8 |
8 |
6 |
6 |
6 |
6 |
7 |
| Day Length, часов |
13 |
12 |
11 |
10 |
10 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
15 |
7 |
0 |
-5 |
-9 |
-7 |
-1 |
4 |
10 |
16 |
20 |
20 |
70 |
| Growing degree-day, °C |
308 |
112 |
0 |
0 |
0 |
0 |
0 |
50 |
215 |
350 |
465 |
474 |
1974 |
| Solar radiation, global, Mj/m2 |
15 |
13 |
10 |
9 |
10 |
13 |
16 |
20 |
20 |
18 |
14 |
15 |
14 |