| Record high, °C |
27 |
20 |
15 |
15 |
11 |
13 |
18 |
22 |
27 |
30 |
31 |
31 |
31 |
| Average high, °C |
16 |
11 |
4 |
1 |
0 |
1 |
6 |
10 |
15 |
18 |
20 |
20 |
10 |
| Average temperature, °C |
12 |
8 |
2 |
0 |
-1 |
0 |
3 |
6 |
11 |
14 |
16 |
16 |
7 |
| Average low, °C |
9 |
5 |
0 |
-1 |
-3 |
-2 |
0 |
3 |
7 |
10 |
12 |
12 |
4 |
| Record low, °C |
0 |
-6 |
-10 |
-12 |
-16 |
-18 |
-12 |
-6 |
-1 |
2 |
6 |
6 |
-18 |
| Rain, days |
8 |
6 |
11 |
10 |
8 |
8 |
6 |
8 |
9 |
10 |
9 |
8 |
101 |
| Snow, days |
0 |
0 |
3 |
7 |
8 |
6 |
4 |
2 |
0 |
0 |
0 |
0 |
30 |
| Fog, days |
19 |
21 |
17 |
17 |
17 |
17 |
14 |
12 |
12 |
13 |
13 |
17 |
189 |
| 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. |
90 |
70 |
100 |
80 |
100 |
70 |
60 |
80 |
90 |
100 |
110 |
90 |
1040 |
| Relative humidity, % |
80 |
82 |
90 |
90 |
88 |
85 |
75 |
72 |
74 |
73 |
68 |
71 |
79 |
| 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 |
4 |
0 |
-2 |
-3 |
-2 |
-1 |
1 |
6 |
9 |
10 |
10 |
41 |
| Growing degree-day, °C |
83 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
34 |
133 |
207 |
207 |
664 |
| Solar radiation, global, Mj/m2 |
11 |
7 |
4 |
3 |
4 |
7 |
10 |
14 |
18 |
19 |
18 |
16 |
11 |