| Record high, °C |
33 |
26 |
21 |
16 |
13 |
20 |
24 |
27 |
33 |
33 |
37 |
38 |
38 |
| Average high, °C |
19 |
13 |
6 |
2 |
2 |
4 |
8 |
13 |
19 |
22 |
23 |
22 |
13 |
| Average temperature, °C |
13 |
8 |
3 |
0 |
-1 |
0 |
4 |
7 |
13 |
16 |
17 |
16 |
8 |
| Average low, °C |
8 |
4 |
0 |
-2 |
-4 |
-3 |
0 |
2 |
7 |
10 |
12 |
11 |
4 |
| Record low, °C |
-2 |
-7 |
0 |
-27 |
-29 |
-25 |
-17 |
-9 |
-2 |
1 |
2 |
3 |
-29 |
| Rain, days |
5 |
5 |
5 |
6 |
5 |
4 |
5 |
5 |
6 |
6 |
7 |
6 |
65 |
| Snow, days |
0 |
0 |
2 |
5 |
6 |
6 |
3 |
1 |
0 |
0 |
0 |
0 |
23 |
| Fog, days |
18 |
20 |
17 |
17 |
18 |
17 |
16 |
13 |
14 |
13 |
14 |
17 |
194 |
| Thunderstorms, days |
21 |
24 |
21 |
21 |
22 |
19 |
18 |
16 |
14 |
14 |
15 |
18 |
223 |
| Snowfall, cm. |
0 |
0 |
7 |
11 |
12 |
13 |
4 |
2 |
0 |
0 |
0 |
0 |
49 |
| Average precipitation, mm. |
50 |
40 |
40 |
40 |
40 |
30 |
30 |
40 |
50 |
60 |
70 |
60 |
550 |
| Relative humidity, % |
77 |
83 |
85 |
87 |
85 |
81 |
75 |
69 |
68 |
68 |
70 |
73 |
77 |
| Relative humidity morning, % |
87 |
88 |
88 |
86 |
87 |
86 |
84 |
82 |
79 |
81 |
80 |
83 |
84 |
| Relative humidity evening, % |
62 |
69 |
78 |
80 |
79 |
75 |
67 |
60 |
58 |
60 |
57 |
57 |
67 |
| Wind speed, km/h |
8 |
9 |
9 |
9 |
9 |
12 |
9 |
9 |
9 |
8 |
8 |
8 |
9 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
9 |
5 |
1 |
-1 |
-3 |
-2 |
-1 |
2 |
7 |
10 |
11 |
11 |
49 |
| Growing degree-day, °C |
117 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
103 |
183 |
250 |
224 |
877 |
| Solar radiation, global, Mj/m2 |
11 |
6 |
3 |
3 |
3 |
6 |
9 |
14 |
17 |
17 |
17 |
15 |
10 |