| Record high, °C |
31 |
27 |
20 |
19 |
13 |
17 |
25 |
25 |
28 |
32 |
35 |
34 |
35 |
| Average high, °C |
21 |
15 |
9 |
5 |
5 |
6 |
11 |
15 |
20 |
24 |
27 |
26 |
15 |
| Average temperature, °C |
16 |
11 |
6 |
1 |
0 |
2 |
5 |
9 |
13 |
17 |
20 |
18 |
10 |
| Average low, °C |
11 |
7 |
2 |
0 |
-1 |
-1 |
2 |
5 |
9 |
12 |
14 |
14 |
6 |
| Record low, °C |
1 |
-2 |
-8 |
-11 |
-18 |
-17 |
-7 |
-4 |
-3 |
2 |
5 |
5 |
-18 |
| Fog, days |
21 |
22 |
20 |
21 |
21 |
20 |
19 |
17 |
18 |
16 |
15 |
18 |
228 |
| Thunderstorms, days |
4 |
1 |
0 |
1 |
1 |
0 |
1 |
2 |
5 |
8 |
7 |
7 |
37 |
| Average precipitation, mm. |
98 |
97 |
86 |
69 |
58 |
56 |
62 |
67 |
80 |
87 |
76 |
94 |
930 |
| Relative humidity, % |
73 |
79 |
79 |
81 |
82 |
77 |
72 |
69 |
70 |
67 |
64 |
67 |
73 |
| Relative humidity morning, % |
89 |
90 |
86 |
85 |
86 |
86 |
85 |
84 |
86 |
83 |
82 |
87 |
86 |
| Relative humidity evening, % |
55 |
66 |
71 |
75 |
73 |
66 |
56 |
51 |
51 |
50 |
46 |
47 |
59 |
| Wind speed, km/h |
8 |
8 |
8 |
9 |
9 |
9 |
10 |
10 |
9 |
8 |
8 |
7 |
9 |
| Monthly sunshine, часов |
185 |
117 |
67 |
49 |
59 |
89 |
154 |
177 |
197 |
235 |
263 |
237 |
1828 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
16 |
16 |
15 |
13 |
| Dew point, °C |
10 |
6 |
1 |
0 |
-1 |
-1 |
0 |
2 |
7 |
10 |
12 |
12 |
58 |
| Growing degree-day, °C |
167 |
17 |
0 |
0 |
0 |
0 |
0 |
0 |
86 |
200 |
310 |
241 |
1021 |
| Atmosphere pressure, bar |
969 |
969 |
969 |
970 |
972 |
970 |
969 |
965 |
967 |
968 |
969 |
969 |
11625 |
| Solar radiation, global, Mj/m2 |
14 |
9 |
5 |
4 |
5 |
8 |
12 |
15 |
19 |
21 |
21 |
18 |
13 |