Average temperature over 48 years |
°C |
15 |
3 |
5 |
10 |
15 |
19 |
23 |
25 |
25 |
21 |
15 |
9 |
5 |
Average high temperature over 48 years |
°C |
20 |
8 |
11 |
16 |
21 |
25 |
29 |
31 |
30 |
27 |
21 |
15 |
10 |
Average low temperature over 48 years |
°C |
9 |
-1 |
0 |
3 |
8 |
13 |
17 |
20 |
19 |
16 |
8 |
3 |
0 |
Highest recorded temperature over 48 years |
°C |
39 |
25 |
28 |
30 |
32 |
34 |
38 |
39 |
38 |
39 |
32 |
28 |
26 |
Lowest recorded temperature over 48 years |
°C |
-31 |
-31 |
-18 |
-17 |
-5 |
0 |
6 |
9 |
11 |
2 |
-3 |
-15 |
-21 |
Average number of rainy days over 51 years |
days |
126 |
12 |
11 |
13 |
11 |
11 |
10 |
11 |
9 |
8 |
8 |
10 |
11 |
Average number of days above 27°C over 48 years |
days |
33 |
- |
- |
- |
- |
1 |
6 |
12 |
10 |
3 |
- |
- |
- |
Average precipitation over 48 years |
cm |
119.6 |
11.4 |
11.2 |
13.0 |
9.1 |
9.9 |
9.7 |
11.2 |
8.1 |
7.4 |
6.9 |
9.9 |
11.7 |
Average dew point over 48 years |
°C |
8 |
-1 |
0 |
2 |
7 |
13 |
17 |
19 |
19 |
16 |
9 |
3 |
0 |
Average number of days above 17°C over 48 years |
days |
200 |
1 |
2 |
8 |
18 |
27 |
30 |
31 |
31 |
28 |
19 |
6 |
1 |
Most recorded rainfall over 48 years |
cm |
160.8 |
29.7 |
22.4 |
30.0 |
20.1 |
27.9 |
20.8 |
25.7 |
17.0 |
23.4 |
17.0 |
26.4 |
29.5 |
Least recorded rainfall over 48 years |
cm |
82.5 |
2.3 |
0.8 |
4.3 |
1.0 |
1.8 |
1.3 |
0.8 |
2.0 |
1.0 |
- |
3.0 |
1.0 |
Average number of days with thunderstorms over 48 years |
days |
47 |
1 |
1 |
3 |
4 |
7 |
8 |
10 |
7 |
3 |
1 |
1 |
1 |
Average number of days with fog over 48 years |
days |
175 |
14 |
12 |
11 |
9 |
14 |
15 |
17 |
20 |
18 |
17 |
14 |
14 |
Average morning relative humidity over 48 years |
% |
85 |
81 |
80 |
80 |
80 |
85 |
87 |
89 |
91 |
91 |
89 |
84 |
83 |
Average evening relative humidity over 48 years |
% |
54 |
60 |
54 |
50 |
47 |
52 |
55 |
56 |
56 |
54 |
51 |
54 |
60 |
Average wind speed over 48 years |
km/h |
12.9 |
9.7 |
12.9 |
17.7 |
17.7 |
14.5 |
14.5 |
12.9 |
9.7 |
9.7 |
9.7 |
9.7 |
9.7 |
Average number of days below -1.5°C over 48 years |
days |
72 |
19 |
15 |
9 |
1 |
- |
- |
- |
- |
- |
1 |
9 |
17 |
Average snowfall over 51 years |
cm |
30.2 |
9.9 |
9.1 |
4.6 |
1.0 |
- |
- |
- |
- |
- |
- |
1.5 |
4.1 |
Average number of clear days over 51 years |
days |
97 |
6 |
7 |
7 |
8 |
8 |
8 |
7 |
9 |
9 |
12 |
9 |
7 |
Heating degree days over 30 years |
days |
3937 |
899 |
697 |
496 |
234 |
94 |
- |
- |
- |
18 |
238 |
489 |
772 |
Cooling degree days over 30 years |
days |
1266 |
- |
- |
- |
9 |
106 |
246 |
360 |
341 |
171 |
33 |
- |
- |
Average possibility of sunshine over 51 years |
% |
56 |
40 |
47 |
53 |
62 |
64 |
65 |
63 |
63 |
61 |
61 |
49 |
40 |
Average number of cloudy days over 51 years |
days |
162 |
18 |
15 |
17 |
13 |
13 |
10 |
11 |
10 |
11 |
11 |
14 |
17 |
Average number of partly cloudy days over 51 years |
days |
107 |
7 |
6 |
7 |
9 |
10 |
12 |
13 |
12 |
10 |
8 |
7 |
7 |
Average number of days below -12.5°C over 48 years |
days |
3 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |