Average temperature over 48 years |
°C |
12 |
-2 |
0 |
6 |
12 |
18 |
23 |
26 |
25 |
20 |
13 |
6 |
0 |
Average high temperature over 48 years |
°C |
18 |
2 |
6 |
12 |
18 |
24 |
29 |
31 |
31 |
26 |
21 |
12 |
5 |
Average low temperature over 48 years |
°C |
6 |
-8 |
-5 |
0 |
6 |
11 |
17 |
19 |
18 |
13 |
6 |
0 |
-5 |
Highest recorded temperature over 48 years |
°C |
43 |
22 |
26 |
31 |
35 |
36 |
41 |
43 |
43 |
40 |
35 |
29 |
22 |
Lowest recorded temperature over 48 years |
°C |
-32 |
-28 |
-30 |
-21 |
-12 |
-3 |
5 |
6 |
5 |
-1 |
-7 |
-16 |
-32 |
Average number of rainy days over 47 years |
days |
97 |
6 |
6 |
9 |
10 |
12 |
10 |
9 |
8 |
8 |
7 |
6 |
6 |
Average number of days above 27°C over 48 years |
days |
44 |
- |
- |
- |
- |
1 |
8 |
15 |
14 |
5 |
1 |
- |
- |
Average precipitation over 48 years |
cm |
87.9 |
2.5 |
2.8 |
6.1 |
7.9 |
11.4 |
13.0 |
10.9 |
9.9 |
8.6 |
6.9 |
4.6 |
3.3 |
Average dew point over 47 years |
°C |
6 |
-7 |
-5 |
-1 |
5 |
11 |
17 |
19 |
18 |
13 |
6 |
0 |
-5 |
Average number of days above 17°C over 48 years |
days |
179 |
- |
1 |
5 |
13 |
24 |
29 |
31 |
31 |
26 |
16 |
4 |
- |
Most recorded rainfall over 48 years |
cm |
154.7 |
13.2 |
8.9 |
21.3 |
20.6 |
30.0 |
38.6 |
30.5 |
28.4 |
32.3 |
18.3 |
16.0 |
10.9 |
Least recorded rainfall over 48 years |
cm |
48.5 |
- |
- |
0.3 |
1.5 |
1.0 |
1.5 |
1.5 |
0.8 |
1.8 |
- |
- |
- |
Average number of days with thunderstorms over 48 years |
days |
55 |
- |
1 |
3 |
5 |
9 |
10 |
9 |
8 |
6 |
3 |
1 |
- |
Average number of days with fog over 48 years |
days |
114 |
10 |
11 |
11 |
9 |
10 |
8 |
8 |
8 |
10 |
9 |
9 |
11 |
Average morning relative humidity over 47 years |
% |
83 |
78 |
79 |
79 |
80 |
85 |
87 |
86 |
87 |
87 |
83 |
80 |
80 |
Average evening relative humidity over 47 years |
% |
53 |
58 |
56 |
51 |
49 |
52 |
54 |
53 |
52 |
50 |
47 |
52 |
58 |
Average wind speed over 47 years |
km/h |
19.3 |
19.3 |
19.3 |
20.9 |
22.5 |
20.9 |
19.3 |
17.7 |
16.1 |
17.7 |
19.3 |
17.7 |
17.7 |
Average number of days below -1.5°C over 48 years |
days |
122 |
29 |
23 |
17 |
5 |
- |
- |
- |
- |
- |
4 |
17 |
27 |
Average snowfall over 47 years |
cm |
53.8 |
15.5 |
11.9 |
9.4 |
1.3 |
- |
- |
- |
- |
- |
- |
3.3 |
12.4 |
Average number of clear days over 46 years |
days |
114 |
10 |
8 |
8 |
8 |
7 |
8 |
11 |
12 |
12 |
13 |
10 |
9 |
Heating degree days over 30 years |
days |
5265 |
1187 |
918 |
663 |
312 |
121 |
5 |
- |
- |
56 |
283 |
660 |
1060 |
Cooling degree days over 30 years |
days |
1304 |
- |
- |
- |
9 |
109 |
263 |
419 |
351 |
140 |
13 |
- |
- |
Average possibility of sunshine over 44 years |
% |
61 |
57 |
55 |
56 |
58 |
61 |
66 |
70 |
70 |
66 |
63 |
54 |
52 |
Average number of cloudy days over 46 years |
days |
154 |
15 |
14 |
16 |
14 |
14 |
12 |
9 |
9 |
10 |
11 |
13 |
15 |
Average number of partly cloudy days over 46 years |
days |
97 |
6 |
6 |
7 |
8 |
10 |
10 |
11 |
10 |
8 |
7 |
7 |
7 |
Average number of days below -12.5°C over 48 years |
days |
19 |
9 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
4 |