| Record high, °C |
34 |
28 |
20 |
16 |
15 |
19 |
23 |
28 |
32 |
35 |
36 |
37 |
37 |
| Average high, °C |
20 |
15 |
10 |
6 |
6 |
7 |
11 |
14 |
18 |
21 |
23 |
23 |
14 |
| Average temperature, °C |
14 |
10 |
5 |
2 |
2 |
3 |
5 |
9 |
12 |
15 |
17 |
17 |
9 |
| Average low, °C |
11 |
8 |
4 |
2 |
1 |
1 |
4 |
5 |
9 |
12 |
14 |
14 |
7 |
| Record low, °C |
1 |
-4 |
-8 |
-17 |
-20 |
-18 |
-11 |
-5 |
-2 |
0 |
3 |
4 |
-20 |
| Rain, days |
20 |
23 |
21 |
24 |
23 |
18 |
22 |
19 |
20 |
18 |
19 |
19 |
246 |
| Snow, days |
0 |
0 |
0 |
1 |
1 |
2 |
1 |
1 |
0 |
0 |
0 |
0 |
6 |
| Fog, days |
17 |
17 |
16 |
18 |
17 |
17 |
16 |
14 |
16 |
15 |
14 |
17 |
194 |
| Thunderstorms, days |
2 |
1 |
1 |
0 |
0 |
0 |
1 |
2 |
4 |
3 |
3 |
2 |
19 |
| Average precipitation, mm. |
57 |
64 |
62 |
58 |
49 |
42 |
45 |
44 |
54 |
56 |
62 |
59 |
652 |
| Relative humidity, % |
80 |
84 |
87 |
87 |
86 |
83 |
81 |
78 |
76 |
75 |
74 |
76 |
81 |
| Relative humidity morning, % |
94 |
93 |
92 |
90 |
90 |
88 |
90 |
90 |
90 |
91 |
91 |
92 |
91 |
| Relative humidity evening, % |
66 |
74 |
82 |
86 |
83 |
74 |
71 |
62 |
63 |
65 |
61 |
57 |
70 |
| Wind speed, km/h |
16 |
16 |
17 |
19 |
20 |
22 |
22 |
17 |
16 |
16 |
16 |
14 |
18 |
| Monthly sunshine, часов |
152 |
114 |
61 |
50 |
66 |
71 |
121 |
172 |
194 |
206 |
211 |
200 |
1618 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
15 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
11 |
8 |
4 |
2 |
1 |
0 |
2 |
3 |
8 |
11 |
12 |
12 |
74 |
| Growing degree-day, °C |
117 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
52 |
150 |
207 |
207 |
732 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
2 |
3 |
6 |
10 |
16 |
20 |
21 |
20 |
18 |
11 |