| Record high, °C |
32 |
27 |
20 |
18 |
14 |
18 |
24 |
29 |
33 |
34 |
38 |
37 |
38 |
| Average high, °C |
20 |
13 |
6 |
3 |
1 |
3 |
8 |
13 |
17 |
21 |
23 |
22 |
13 |
| Average temperature, °C |
15 |
9 |
4 |
1 |
0 |
1 |
5 |
8 |
13 |
16 |
18 |
18 |
9 |
| Average low, °C |
10 |
5 |
2 |
0 |
-2 |
-1 |
1 |
4 |
8 |
11 |
13 |
13 |
5 |
| Record low, °C |
0 |
-7 |
-15 |
-23 |
-26 |
-25 |
-15 |
-6 |
-2 |
1 |
4 |
4 |
-26 |
| Rain, days |
11 |
12 |
12 |
16 |
15 |
12 |
14 |
13 |
17 |
14 |
12 |
12 |
160 |
| Snow, days |
0 |
0 |
1 |
5 |
6 |
5 |
2 |
1 |
0 |
0 |
0 |
0 |
20 |
| Fog, days |
18 |
20 |
17 |
17 |
18 |
17 |
16 |
13 |
14 |
13 |
14 |
17 |
194 |
| Thunderstorms, days |
20 |
23 |
23 |
21 |
20 |
19 |
19 |
14 |
17 |
14 |
15 |
19 |
224 |
| Snowfall, cm. |
0 |
0 |
3 |
8 |
14 |
8 |
3 |
1 |
0 |
0 |
0 |
0 |
37 |
| Average precipitation, mm. |
40 |
40 |
40 |
40 |
40 |
30 |
30 |
40 |
50 |
50 |
60 |
50 |
510 |
| Relative humidity, % |
77 |
83 |
85 |
87 |
85 |
81 |
75 |
69 |
68 |
68 |
70 |
73 |
77 |
| Relative humidity morning, % |
83 |
84 |
79 |
78 |
78 |
78 |
83 |
77 |
80 |
80 |
79 |
83 |
80 |
| Relative humidity evening, % |
62 |
70 |
73 |
74 |
73 |
71 |
69 |
58 |
62 |
61 |
57 |
57 |
66 |
| Wind speed, km/h |
8 |
9 |
9 |
9 |
9 |
12 |
9 |
8 |
8 |
8 |
8 |
8 |
9 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
10 |
6 |
0 |
-1 |
-3 |
-4 |
0 |
2 |
7 |
10 |
12 |
12 |
51 |
| Growing degree-day, °C |
158 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
95 |
192 |
276 |
250 |
970 |
| Solar radiation, global, Mj/m2 |
11 |
6 |
3 |
3 |
3 |
6 |
9 |
14 |
17 |
17 |
17 |
15 |
10 |