Average temperature over 48 years |
°C |
20 |
11 |
13 |
16 |
20 |
23 |
27 |
27 |
27 |
26 |
21 |
16 |
12 |
Average high temperature over 48 years |
°C |
25 |
16 |
18 |
21 |
25 |
29 |
31 |
32 |
32 |
30 |
26 |
21 |
18 |
Average low temperature over 48 years |
°C |
15 |
6 |
7 |
11 |
14 |
18 |
21 |
22 |
22 |
21 |
15 |
10 |
7 |
Highest recorded temperature over 48 years |
°C |
38 |
28 |
29 |
31 |
33 |
35 |
37 |
38 |
38 |
38 |
33 |
30 |
28 |
Lowest recorded temperature over 48 years |
°C |
-11 |
-10 |
-7 |
-3 |
0 |
5 |
10 |
15 |
15 |
5 |
1 |
-4 |
-11 |
Average number of rainy days over 45 years |
days |
114 |
10 |
9 |
9 |
7 |
8 |
11 |
14 |
13 |
10 |
6 |
7 |
10 |
Average number of days above 27°C over 48 years |
days |
71 |
- |
- |
- |
- |
4 |
16 |
21 |
20 |
9 |
1 |
- |
- |
Average precipitation over 48 years |
cm |
156.5 |
13.0 |
14.0 |
13.5 |
12.2 |
12.4 |
14.2 |
16.8 |
15.0 |
13.7 |
7.1 |
11.4 |
13.5 |
Average dew point over 48 years |
°C |
15 |
7 |
7 |
11 |
15 |
18 |
21 |
22 |
22 |
21 |
15 |
11 |
8 |
Most recorded rainfall over 48 years |
cm |
259.1 |
49.0 |
32.0 |
48.5 |
40.9 |
53.8 |
38.1 |
33.3 |
40.9 |
42.4 |
33.5 |
50.3 |
27.4 |
Least recorded rainfall over 48 years |
cm |
99.1 |
1.3 |
0.3 |
0.5 |
0.8 |
2.3 |
0.5 |
4.8 |
4.3 |
0.5 |
- |
0.5 |
3.8 |
Average number of days with thunderstorms over 48 years |
days |
72 |
2 |
3 |
4 |
5 |
6 |
10 |
16 |
13 |
7 |
2 |
2 |
2 |
Average number of days with fog over 48 years |
days |
173 |
17 |
14 |
16 |
16 |
16 |
11 |
12 |
12 |
12 |
15 |
15 |
17 |
Average morning relative humidity over 48 years |
% |
88 |
85 |
84 |
85 |
88 |
89 |
90 |
92 |
92 |
89 |
88 |
86 |
86 |
Average evening relative humidity over 48 years |
% |
60 |
63 |
59 |
57 |
57 |
58 |
61 |
66 |
65 |
63 |
56 |
59 |
62 |
Average wind speed over 48 years |
km/h |
16.1 |
17.7 |
17.7 |
17.7 |
17.7 |
16.1 |
14.5 |
9.7 |
12.9 |
14.5 |
14.5 |
16.1 |
16.1 |
Average number of days below -1.5°C over 48 years |
days |
13 |
5 |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
4 |
Average number of clear days over 45 years |
days |
101 |
7 |
8 |
8 |
8 |
9 |
8 |
4 |
7 |
9 |
15 |
10 |
8 |
Heating degree days over 30 years |
days |
1513 |
450 |
316 |
162 |
28 |
- |
- |
- |
- |
- |
30 |
178 |
349 |
Cooling degree days over 30 years |
days |
2655 |
25 |
17 |
56 |
133 |
304 |
450 |
524 |
512 |
393 |
157 |
61 |
23 |
Average possibility of sunshine over 20 years |
% |
58 |
46 |
51 |
58 |
63 |
64 |
64 |
60 |
61 |
61 |
66 |
55 |
48 |
Average number of cloudy days over 45 years |
days |
146 |
17 |
14 |
15 |
12 |
11 |
9 |
12 |
10 |
10 |
8 |
12 |
16 |
Average number of partly cloudy days over 45 years |
days |
118 |
7 |
6 |
8 |
10 |
11 |
13 |
15 |
14 |
11 |
8 |
8 |
7 |
Average number of days above 22°C over 48 years |
days |
192 |
1 |
1 |
6 |
15 |
27 |
30 |
31 |
31 |
28 |
17 |
5 |
2 |
Average number of days below 4.5°C over 48 years |
days |
71 |
19 |
14 |
9 |
2 |
- |
- |
- |
- |
- |
2 |
10 |
16 |