| Record high, °C |
32 |
27 |
21 |
18 |
17 |
19 |
26 |
27 |
31 |
36 |
37 |
38 |
38 |
| Average high, °C |
21 |
15 |
8 |
4 |
3 |
5 |
10 |
15 |
20 |
23 |
26 |
26 |
15 |
| Average temperature, °C |
15 |
10 |
4 |
1 |
-0 |
1 |
5 |
10 |
15 |
18 |
20 |
20 |
10 |
| Average low, °C |
11 |
6 |
2 |
-1 |
-3 |
-2 |
2 |
5 |
10 |
13 |
15 |
15 |
6 |
| Record low, °C |
0 |
-7 |
-12 |
-19 |
-22 |
-20 |
-19 |
-4 |
-1 |
3 |
7 |
6 |
-22 |
| Rain, days |
15 |
15 |
17 |
15 |
13 |
11 |
16 |
19 |
18 |
20 |
18 |
16 |
193 |
| Snow, days |
0 |
0 |
5 |
11 |
13 |
11 |
7 |
2 |
0 |
0 |
0 |
0 |
49 |
| Fog, days |
14 |
18 |
18 |
17 |
19 |
17 |
13 |
8 |
8 |
7 |
6 |
9 |
154 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
2 |
3 |
3 |
3 |
13 |
| Snowfall, cm. |
0 |
0 |
4 |
13 |
12 |
11 |
8 |
1 |
0 |
0 |
0 |
0 |
48 |
| Average precipitation, mm. |
49 |
33 |
42 |
35 |
28 |
23 |
35 |
41 |
59 |
60 |
59 |
50 |
515 |
| Relative humidity morning, % |
86 |
88 |
88 |
85 |
85 |
84 |
83 |
79 |
78 |
76 |
76 |
80 |
82 |
| Relative humidity evening, % |
57 |
64 |
74 |
78 |
75 |
69 |
59 |
53 |
53 |
54 |
51 |
51 |
61 |
| Wind speed, km/h |
16 |
17 |
17 |
19 |
18 |
19 |
19 |
19 |
17 |
17 |
16 |
16 |
17 |
| Monthly sunshine, часов |
171 |
131 |
75 |
43 |
46 |
119 |
136 |
211 |
258 |
265 |
222 |
255 |
1933 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
10 |
5 |
0 |
-2 |
-3 |
-3 |
0 |
2 |
7 |
10 |
11 |
12 |
49 |
| Growing degree-day, °C |
181 |
17 |
0 |
0 |
0 |
0 |
0 |
3 |
156 |
244 |
322 |
320 |
1244 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
7 |
11 |
15 |
19 |
19 |
19 |
17 |
12 |