Average temperature over 30 years |
°C |
20 |
11 |
12 |
16 |
20 |
23 |
26 |
27 |
27 |
26 |
21 |
16 |
13 |
Average high temperature over 30 years |
°C |
24 |
16 |
17 |
20 |
24 |
27 |
30 |
31 |
31 |
30 |
26 |
21 |
17 |
Average low temperature over 30 years |
°C |
15 |
6 |
7 |
11 |
15 |
18 |
22 |
23 |
23 |
21 |
16 |
11 |
8 |
Highest recorded temperature over 30 years |
°C |
37 |
26 |
26 |
29 |
32 |
36 |
36 |
36 |
37 |
35 |
32 |
29 |
27 |
Lowest recorded temperature over 30 years |
°C |
-12 |
-12 |
-4 |
-5 |
2 |
8 |
8 |
17 |
16 |
10 |
2 |
-2 |
-10 |
Average number of rainy days over 63 years |
days |
105 |
9 |
8 |
8 |
6 |
5 |
10 |
15 |
14 |
11 |
5 |
6 |
8 |
Average number of days above 27°C over 30 years |
days |
37 |
- |
- |
- |
- |
1 |
9 |
12 |
11 |
5 |
- |
- |
- |
Average precipitation over 30 years |
cm |
146.3 |
11.4 |
9.7 |
12.4 |
7.4 |
7.6 |
11.4 |
20.8 |
19.8 |
19.1 |
8.9 |
7.9 |
10.2 |
Average dew point over 18 years |
°C |
15 |
5 |
8 |
11 |
14 |
18 |
21 |
23 |
23 |
21 |
15 |
12 |
8 |
Most recorded rainfall over 30 years |
cm |
224.0 |
52.8 |
22.6 |
34.3 |
30.7 |
30.7 |
46.5 |
46.0 |
53.6 |
46.5 |
28.4 |
17.0 |
24.6 |
Least recorded rainfall over 30 years |
cm |
96.8 |
2.0 |
1.3 |
1.8 |
0.3 |
0.8 |
0.8 |
2.0 |
5.8 |
1.5 |
0.3 |
1.3 |
2.3 |
Average number of days with thunderstorms over 28 years |
days |
78 |
2 |
3 |
4 |
3 |
5 |
11 |
17 |
17 |
10 |
2 |
2 |
2 |
Average number of days with fog over 28 years |
days |
147 |
17 |
15 |
17 |
14 |
12 |
8 |
7 |
8 |
9 |
11 |
13 |
16 |
Average morning relative humidity over 18 years |
% |
87 |
83 |
86 |
88 |
87 |
87 |
87 |
89 |
91 |
89 |
86 |
86 |
85 |
Average evening relative humidity over 18 years |
% |
65 |
62 |
64 |
66 |
62 |
65 |
67 |
70 |
69 |
67 |
60 |
64 |
65 |
Average wind speed over 18 years |
km/h |
14.5 |
16.1 |
14.5 |
16.1 |
16.1 |
12.9 |
12.9 |
9.7 |
14.5 |
12.9 |
12.9 |
12.9 |
16.1 |
Average number of days below -1.5°C over 30 years |
days |
10 |
4 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
3 |
Average number of clear days over 62 years |
days |
128 |
10 |
10 |
11 |
12 |
13 |
9 |
6 |
7 |
10 |
16 |
13 |
10 |
Heating degree days over 30 years |
days |
1429 |
420 |
308 |
166 |
39 |
- |
- |
- |
- |
- |
26 |
150 |
320 |
Cooling degree days over 30 years |
days |
2582 |
23 |
14 |
33 |
108 |
279 |
441 |
508 |
505 |
408 |
187 |
57 |
19 |
Average possibility of sunshine over 57 years |
% |
67 |
58 |
61 |
65 |
74 |
77 |
71 |
64 |
64 |
66 |
74 |
67 |
57 |
Average number of cloudy days over 62 years |
days |
116 |
5 |
12 |
12 |
9 |
8 |
8 |
12 |
11 |
10 |
7 |
9 |
13 |
Average number of partly cloudy days over 62 years |
days |
113 |
8 |
6 |
8 |
9 |
10 |
13 |
13 |
13 |
10 |
8 |
8 |
8 |
Average number of days above 22°C over 30 years |
days |
168 |
- |
- |
1 |
7 |
24 |
29 |
31 |
31 |
28 |
16 |
2 |
- |
Average number of days below 4.5°C over 30 years |
days |
61 |
17 |
14 |
7 |
1 |
- |
- |
- |
- |
- |
1 |
7 |
14 |