| Record high, °C |
32 |
26 |
18 |
17 |
14 |
17 |
25 |
27 |
30 |
33 |
36 |
35 |
36 |
| Average high, °C |
21 |
15 |
7 |
3 |
2 |
4 |
10 |
15 |
20 |
23 |
26 |
26 |
14 |
| Average temperature, °C |
16 |
10 |
4 |
1 |
0 |
1 |
6 |
10 |
15 |
18 |
20 |
20 |
10 |
| Average low, °C |
10 |
5 |
1 |
-1 |
-3 |
-2 |
1 |
4 |
9 |
12 |
14 |
13 |
5 |
| Record low, °C |
-1 |
-7 |
-12 |
-18 |
-23 |
-20 |
-15 |
-3 |
-1 |
2 |
7 |
5 |
-23 |
| Rain, days |
10 |
10 |
13 |
11 |
8 |
8 |
11 |
12 |
11 |
12 |
11 |
10 |
127 |
| Snow, days |
0 |
0 |
4 |
8 |
10 |
8 |
4 |
1 |
0 |
0 |
0 |
0 |
35 |
| Fog, days |
19 |
24 |
24 |
22 |
24 |
22 |
22 |
16 |
13 |
14 |
12 |
16 |
228 |
| Thunderstorms, days |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
4 |
6 |
5 |
6 |
25 |
| Snowfall, cm. |
0 |
0 |
9 |
15 |
14 |
12 |
7 |
1 |
0 |
0 |
0 |
0 |
57 |
| Average precipitation, mm. |
30 |
40 |
50 |
50 |
30 |
40 |
30 |
30 |
50 |
70 |
60 |
60 |
540 |
| Relative humidity, % |
75 |
80 |
85 |
85 |
85 |
80 |
70 |
65 |
65 |
65 |
65 |
65 |
74 |
| Relative humidity morning, % |
85 |
89 |
88 |
86 |
87 |
88 |
85 |
78 |
77 |
76 |
75 |
80 |
83 |
| Relative humidity evening, % |
56 |
64 |
77 |
80 |
79 |
72 |
58 |
50 |
52 |
53 |
49 |
50 |
62 |
| Wind speed, km/h |
12 |
6 |
14 |
16 |
17 |
16 |
16 |
16 |
14 |
12 |
12 |
12 |
14 |
| Monthly sunshine, часов |
184 |
141 |
71 |
54 |
64 |
101 |
139 |
186 |
236 |
234 |
252 |
245 |
1905 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
10 |
6 |
1 |
-1 |
-3 |
-2 |
1 |
3 |
8 |
11 |
13 |
13 |
60 |
| Growing degree-day, °C |
183 |
9 |
0 |
0 |
0 |
0 |
0 |
0 |
155 |
250 |
319 |
310 |
1226 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
7 |
11 |
15 |
19 |
19 |
19 |
17 |
12 |