| Record high, °C |
28 |
24 |
19 |
14 |
15 |
17 |
22 |
26 |
27 |
31 |
35 |
32 |
35 |
| Average high, °C |
19 |
13 |
7 |
3 |
2 |
4 |
8 |
13 |
18 |
21 |
23 |
22 |
13 |
| Average temperature, °C |
14 |
10 |
4 |
1 |
-0 |
1 |
4 |
8 |
12 |
16 |
18 |
17 |
9 |
| Average low, °C |
10 |
6 |
2 |
-2 |
-3 |
-2 |
0 |
4 |
8 |
11 |
13 |
13 |
5 |
| Record low, °C |
3 |
-1 |
-8 |
-12 |
-20 |
-14 |
-10 |
-3 |
0 |
4 |
7 |
6 |
-20 |
| Fog, days |
21 |
22 |
21 |
19 |
20 |
19 |
17 |
16 |
14 |
14 |
17 |
21 |
221 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
2 |
3 |
2 |
10 |
| Average precipitation, mm. |
108 |
86 |
101 |
97 |
91 |
85 |
93 |
108 |
129 |
151 |
148 |
157 |
1354 |
| Relative humidity, % |
83 |
86 |
88 |
87 |
86 |
84 |
82 |
80 |
78 |
78 |
77 |
80 |
82 |
| Relative humidity morning, % |
90 |
91 |
89 |
87 |
87 |
87 |
84 |
83 |
84 |
85 |
86 |
88 |
87 |
| Relative humidity evening, % |
61 |
69 |
76 |
78 |
76 |
69 |
59 |
55 |
55 |
56 |
55 |
55 |
64 |
| Wind speed, km/h |
5 |
5 |
6 |
7 |
7 |
6 |
7 |
7 |
7 |
7 |
6 |
6 |
6 |
| Monthly sunshine, часов |
152 |
102 |
55 |
36 |
38 |
68 |
120 |
144 |
174 |
181 |
211 |
190 |
1471 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
10 |
6 |
1 |
0 |
-2 |
-2 |
0 |
2 |
6 |
10 |
12 |
12 |
55 |
| Growing degree-day, °C |
133 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
81 |
176 |
251 |
228 |
870 |
| Atmosphere pressure, bar |
961 |
961 |
960 |
961 |
962 |
961 |
960 |
957 |
958 |
960 |
961 |
961 |
11521 |
| Solar radiation, global, Mj/m2 |
13 |
8 |
5 |
4 |
5 |
8 |
12 |
15 |
19 |
20 |
20 |
17 |
12 |