| Record high, °C |
32 |
25 |
20 |
15 |
12 |
17 |
22 |
27 |
31 |
33 |
36 |
35 |
36 |
| Average high, °C |
18 |
12 |
6 |
2 |
1 |
3 |
7 |
12 |
18 |
21 |
22 |
22 |
12 |
| Average temperature, °C |
13 |
8 |
3 |
0 |
-1 |
0 |
3 |
7 |
12 |
15 |
17 |
16 |
8 |
| Average low, °C |
8 |
4 |
0 |
-2 |
-4 |
-3 |
0 |
2 |
7 |
10 |
12 |
11 |
4 |
| Record low, °C |
-3 |
-9 |
-20 |
-23 |
-31 |
-28 |
-18 |
-8 |
-4 |
0 |
0 |
1 |
-31 |
| Rain, days |
6 |
5 |
5 |
5 |
5 |
4 |
5 |
5 |
6 |
7 |
8 |
7 |
68 |
| Snow, days |
0 |
0 |
3 |
7 |
8 |
6 |
4 |
2 |
0 |
0 |
0 |
0 |
30 |
| Fog, days |
20 |
22 |
19 |
18 |
20 |
20 |
17 |
16 |
14 |
14 |
16 |
19 |
215 |
| Thunderstorms, days |
23 |
25 |
23 |
24 |
24 |
21 |
21 |
19 |
17 |
17 |
17 |
20 |
251 |
| Snowfall, cm. |
0 |
0 |
5 |
0 |
18 |
19 |
15 |
2 |
0 |
0 |
0 |
0 |
59 |
| Average precipitation, mm. |
50 |
40 |
40 |
40 |
40 |
30 |
40 |
40 |
60 |
70 |
90 |
70 |
610 |
| Relative humidity, % |
77 |
82 |
85 |
87 |
86 |
82 |
77 |
70 |
69 |
69 |
70 |
72 |
77 |
| Relative humidity morning, % |
88 |
90 |
86 |
85 |
84 |
82 |
81 |
80 |
83 |
82 |
82 |
82 |
84 |
| Relative humidity evening, % |
65 |
71 |
79 |
79 |
79 |
70 |
65 |
60 |
62 |
62 |
58 |
58 |
67 |
| Wind speed, km/h |
8 |
9 |
12 |
8 |
9 |
9 |
9 |
8 |
8 |
8 |
8 |
6 |
9 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
9 |
5 |
1 |
-1 |
-3 |
-2 |
-1 |
2 |
7 |
10 |
11 |
11 |
49 |
| Growing degree-day, °C |
100 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
86 |
167 |
233 |
215 |
801 |
| Solar radiation, global, Mj/m2 |
11 |
7 |
4 |
3 |
4 |
7 |
10 |
14 |
18 |
19 |
18 |
16 |
11 |