Average temperature over 48 years |
°C |
20 |
10 |
12 |
16 |
20 |
23 |
27 |
29 |
29 |
26 |
21 |
15 |
11 |
Average high temperature over 48 years |
°C |
26 |
15 |
17 |
22 |
26 |
29 |
32 |
35 |
35 |
32 |
27 |
21 |
17 |
Average low temperature over 48 years |
°C |
14 |
3 |
6 |
10 |
14 |
18 |
22 |
23 |
23 |
20 |
15 |
9 |
5 |
Highest recorded temperature over 48 years |
°C |
42 |
32 |
36 |
36 |
36 |
37 |
40 |
42 |
41 |
40 |
36 |
32 |
32 |
Lowest recorded temperature over 48 years |
°C |
-18 |
-18 |
-13 |
-7 |
1 |
6 |
11 |
17 |
16 |
8 |
-1 |
-6 |
-15 |
Average number of rainy days over 52 years |
days |
84 |
8 |
8 |
7 |
7 |
9 |
7 |
5 |
5 |
7 |
6 |
7 |
8 |
Average number of days above 27°C over 48 years |
days |
111 |
- |
- |
1 |
2 |
7 |
22 |
28 |
28 |
18 |
4 |
- |
- |
Average precipitation over 48 years |
cm |
81.5 |
4.6 |
6.1 |
4.8 |
7.4 |
11.4 |
8.6 |
4.6 |
5.3 |
8.4 |
8.9 |
5.3 |
5.8 |
Average dew point over 48 years |
°C |
12 |
3 |
5 |
7 |
12 |
17 |
20 |
20 |
20 |
18 |
13 |
8 |
4 |
Most recorded rainfall over 48 years |
cm |
132.6 |
23.4 |
16.8 |
15.2 |
25.1 |
25.4 |
38.1 |
26.7 |
22.6 |
18.8 |
31.2 |
18.5 |
36.1 |
Least recorded rainfall over 48 years |
cm |
29.0 |
- |
0.8 |
- |
0.3 |
2.0 |
- |
- |
- |
0.3 |
- |
- |
- |
Average number of days with thunderstorms over 48 years |
days |
42 |
1 |
2 |
3 |
5 |
7 |
5 |
4 |
5 |
4 |
3 |
2 |
1 |
Average number of days with fog over 48 years |
days |
118 |
13 |
11 |
12 |
12 |
12 |
7 |
4 |
4 |
9 |
11 |
11 |
12 |
Average morning relative humidity over 48 years |
% |
84 |
80 |
80 |
80 |
83 |
89 |
89 |
89 |
87 |
86 |
84 |
81 |
80 |
Average evening relative humidity over 48 years |
% |
49 |
53 |
51 |
47 |
50 |
54 |
50 |
43 |
42 |
47 |
47 |
49 |
52 |
Average wind speed over 48 years |
km/h |
16.1 |
20.9 |
14.5 |
17.7 |
16.1 |
16.1 |
16.1 |
14.5 |
12.9 |
12.9 |
12.9 |
14.5 |
14.5 |
Average number of days below -1.5°C over 48 years |
days |
19 |
8 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
5 |
Average snowfall over 52 years |
cm |
2.3 |
1.3 |
0.8 |
- |
- |
- |
- |
- |
- |
- |
- |
0.3 |
- |
Average number of clear days over 52 years |
days |
116 |
9 |
8 |
9 |
8 |
7 |
8 |
12 |
12 |
11 |
13 |
11 |
10 |
Heating degree days over 30 years |
days |
1688 |
514 |
353 |
175 |
28 |
- |
- |
- |
- |
- |
17 |
175 |
426 |
Cooling degree days over 30 years |
days |
3016 |
12 |
11 |
66 |
166 |
329 |
489 |
605 |
614 |
456 |
206 |
52 |
10 |
Average possibility of sunshine over 52 years |
% |
60 |
48 |
51 |
55 |
54 |
56 |
69 |
75 |
75 |
66 |
64 |
55 |
49 |
Average number of cloudy days over 52 years |
days |
135 |
16 |
14 |
14 |
14 |
13 |
7 |
6 |
5 |
8 |
9 |
12 |
15 |
Average number of partly cloudy days over 52 years |
days |
114 |
6 |
6 |
8 |
8 |
11 |
15 |
13 |
14 |
11 |
9 |
7 |
6 |
Average number of days above 22°C over 48 years |
days |
198 |
1 |
2 |
8 |
17 |
26 |
29 |
31 |
31 |
28 |
20 |
6 |
1 |
Average number of days below 4.5°C over 48 years |
days |
88 |
23 |
17 |
11 |
2 |
- |
- |
- |
- |
- |
2 |
12 |
21 |