| Record high, °C |
35 |
30 |
22 |
18 |
17 |
21 |
25 |
30 |
32 |
37 |
40 |
41 |
41 |
| Average high, °C |
22 |
17 |
11 |
8 |
8 |
9 |
13 |
16 |
20 |
23 |
26 |
25 |
16 |
| Average temperature, °C |
17 |
13 |
8 |
5 |
5 |
6 |
8 |
11 |
15 |
18 |
20 |
20 |
12 |
| Average low, °C |
11 |
9 |
5 |
3 |
2 |
2 |
4 |
6 |
9 |
12 |
14 |
14 |
7 |
| Record low, °C |
-1 |
-5 |
-12 |
-21 |
-18 |
-17 |
-11 |
-5 |
-4 |
2 |
4 |
3 |
-21 |
| Rain, days |
12 |
15 |
14 |
16 |
16 |
14 |
17 |
15 |
16 |
14 |
12 |
10 |
171 |
| Snow, days |
0 |
0 |
0 |
1 |
2 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
6 |
| Fog, days |
12 |
13 |
14 |
13 |
13 |
12 |
11 |
10 |
9 |
8 |
8 |
9 |
132 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
2 |
2 |
2 |
9 |
| Snowfall, cm. |
0 |
0 |
0 |
2 |
5 |
4 |
4 |
0 |
0 |
0 |
0 |
0 |
15 |
| Average precipitation, mm. |
53 |
66 |
63 |
70 |
67 |
51 |
54 |
54 |
63 |
47 |
57 |
43 |
688 |
| Relative humidity, % |
79 |
85 |
88 |
88 |
88 |
84 |
78 |
72 |
72 |
73 |
72 |
74 |
79 |
| Relative humidity morning, % |
95 |
94 |
93 |
93 |
92 |
91 |
92 |
89 |
89 |
90 |
89 |
90 |
91 |
| Relative humidity evening, % |
61 |
70 |
78 |
83 |
80 |
72 |
64 |
59 |
59 |
58 |
55 |
53 |
66 |
| Wind speed, km/h |
9 |
9 |
9 |
9 |
9 |
12 |
14 |
14 |
12 |
12 |
12 |
9 |
11 |
| Monthly sunshine, часов |
181 |
119 |
71 |
64 |
66 |
90 |
134 |
171 |
200 |
224 |
227 |
225 |
1772 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
11 |
8 |
5 |
3 |
2 |
2 |
3 |
5 |
8 |
11 |
13 |
13 |
84 |
| Growing degree-day, °C |
175 |
69 |
0 |
0 |
0 |
0 |
0 |
0 |
103 |
200 |
284 |
276 |
1107 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
6 |
10 |
14 |
18 |
19 |
19 |
17 |
11 |