Average temperature over 47 years |
°C |
16 |
7 |
10 |
12 |
15 |
18 |
22 |
25 |
25 |
22 |
18 |
12 |
7 |
Average high temperature over 47 years |
°C |
23 |
11 |
16 |
18 |
22 |
27 |
31 |
34 |
33 |
31 |
26 |
17 |
11 |
Average low temperature over 47 years |
°C |
9 |
2 |
4 |
6 |
7 |
11 |
13 |
16 |
15 |
13 |
10 |
5 |
2 |
Highest recorded temperature over 47 years |
°C |
45 |
23 |
25 |
30 |
37 |
41 |
43 |
45 |
42 |
42 |
38 |
29 |
22 |
Lowest recorded temperature over 47 years |
°C |
-8 |
-8 |
-5 |
-2 |
0 |
3 |
7 |
9 |
8 |
5 |
0 |
-3 |
-8 |
Average number of rainy days over 51 years |
days |
51 |
9 |
8 |
8 |
5 |
2 |
1 |
- |
- |
1 |
3 |
6 |
6 |
Average number of days above 27°C over 47 years |
days |
80 |
- |
- |
- |
1 |
6 |
13 |
23 |
21 |
13 |
3 |
- |
- |
Average precipitation over 47 years |
cm |
35.1 |
7.1 |
5.3 |
5.6 |
2.8 |
0.8 |
0.3 |
- |
- |
0.8 |
1.8 |
4.6 |
5.8 |
Average dew point over 27 years |
°C |
7 |
3 |
5 |
5 |
6 |
7 |
9 |
11 |
11 |
10 |
8 |
6 |
4 |
Average number of days above 17°C over 47 years |
days |
214 |
- |
2 |
9 |
19 |
28 |
30 |
31 |
31 |
30 |
27 |
8 |
- |
Most recorded rainfall over 47 years |
cm |
67.6 |
18.0 |
15.2 |
16.5 |
8.9 |
5.8 |
1.8 |
1.5 |
2.0 |
7.6 |
5.6 |
15.7 |
20.3 |
Least recorded rainfall over 47 years |
cm |
13.7 |
0.3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with thunderstorms over 36 years |
days |
2 |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with fog over 36 years |
days |
111 |
24 |
17 |
11 |
5 |
2 |
- |
- |
- |
2 |
8 |
18 |
24 |
Average morning relative humidity over 25 years |
% |
76 |
90 |
90 |
85 |
76 |
65 |
60 |
61 |
65 |
70 |
77 |
87 |
91 |
Average evening relative humidity over 26 years |
% |
45 |
70 |
60 |
51 |
41 |
33 |
29 |
26 |
28 |
31 |
37 |
59 |
71 |
Average wind speed over 27 years |
km/h |
14.5 |
14.5 |
14.5 |
14.5 |
14.5 |
16.1 |
17.7 |
16.1 |
14.5 |
14.5 |
14.5 |
14.5 |
14.5 |
Average number of days below -1.5°C over 47 years |
days |
23 |
8 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
2 |
8 |
Average number of clear days over 46 years |
days |
185 |
6 |
7 |
10 |
12 |
17 |
22 |
27 |
26 |
23 |
19 |
9 |
7 |
Heating degree days over 30 years |
days |
2707 |
620 |
406 |
341 |
211 |
53 |
7 |
- |
- |
10 |
79 |
360 |
620 |
Cooling degree days over 30 years |
days |
1470 |
- |
- |
- |
40 |
106 |
256 |
394 |
366 |
241 |
67 |
- |
- |
Average number of cloudy days over 46 years |
days |
104 |
19 |
15 |
13 |
9 |
5 |
2 |
1 |
1 |
2 |
6 |
12 |
18 |
Average number of partly cloudy days over 46 years |
days |
77 |
6 |
6 |
8 |
9 |
9 |
6 |
3 |
4 |
5 |
6 |
9 |
6 |