Average temperature over 27 years |
°C |
20 |
10 |
12 |
16 |
20 |
23 |
27 |
28 |
28 |
26 |
21 |
16 |
12 |
Average high temperature over 27 years |
°C |
26 |
16 |
18 |
22 |
26 |
29 |
32 |
34 |
33 |
31 |
27 |
22 |
18 |
Average low temperature over 27 years |
°C |
14 |
5 |
6 |
10 |
14 |
18 |
21 |
22 |
22 |
20 |
15 |
10 |
6 |
Highest recorded temperature over 27 years |
°C |
41 |
28 |
32 |
32 |
35 |
36 |
39 |
40 |
41 |
38 |
35 |
31 |
29 |
Lowest recorded temperature over 27 years |
°C |
-13 |
-11 |
-6 |
-5 |
0 |
6 |
11 |
16 |
15 |
8 |
-1 |
-7 |
-13 |
Average number of rainy days over 24 years |
days |
106 |
11 |
8 |
9 |
7 |
9 |
9 |
9 |
9 |
9 |
7 |
8 |
9 |
Average number of days above 27°C over 27 years |
days |
97 |
- |
- |
- |
1 |
5 |
20 |
27 |
26 |
15 |
3 |
- |
- |
Average precipitation over 27 years |
cm |
121.7 |
9.9 |
7.4 |
8.9 |
9.1 |
14.2 |
13.0 |
8.6 |
9.4 |
10.9 |
11.9 |
9.4 |
9.1 |
Average dew point over 27 years |
°C |
15 |
5 |
7 |
10 |
14 |
18 |
21 |
22 |
22 |
20 |
15 |
10 |
7 |
Most recorded rainfall over 27 years |
cm |
178.3 |
24.9 |
15.2 |
21.6 |
27.7 |
36.6 |
41.4 |
20.6 |
23.9 |
28.7 |
40.6 |
22.6 |
23.6 |
Least recorded rainfall over 27 years |
cm |
58.2 |
1.0 |
1.0 |
2.3 |
1.0 |
2.0 |
0.8 |
1.3 |
0.8 |
2.0 |
- |
1.0 |
1.5 |
Average number of days with thunderstorms over 27 years |
days |
65 |
2 |
2 |
4 |
4 |
7 |
8 |
10 |
11 |
8 |
4 |
3 |
2 |
Average number of days with fog over 27 years |
days |
189 |
18 |
15 |
18 |
17 |
19 |
13 |
11 |
14 |
16 |
16 |
15 |
17 |
Average morning relative humidity over 27 years |
% |
90 |
86 |
87 |
88 |
89 |
92 |
92 |
93 |
93 |
93 |
91 |
89 |
87 |
Average evening relative humidity over 27 years |
% |
55 |
58 |
55 |
54 |
55 |
57 |
57 |
54 |
55 |
56 |
52 |
55 |
57 |
Average wind speed over 27 years |
km/h |
14.5 |
14.5 |
14.5 |
17.7 |
17.7 |
16.1 |
16.1 |
12.9 |
12.9 |
9.7 |
14.5 |
12.9 |
14.5 |
Average number of days below -1.5°C over 27 years |
days |
19 |
7 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
2 |
5 |
Average snowfall over 59 years |
cm |
1.0 |
0.5 |
0.5 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of clear days over 24 years |
days |
91 |
7 |
7 |
7 |
7 |
6 |
7 |
7 |
6 |
8 |
11 |
9 |
8 |
Heating degree days over 30 years |
days |
1599 |
468 |
322 |
187 |
36 |
- |
- |
- |
- |
- |
31 |
181 |
374 |
Cooling degree days over 30 years |
days |
2700 |
16 |
11 |
50 |
135 |
295 |
462 |
546 |
536 |
396 |
174 |
61 |
18 |
Average possibility of sunshine over 24 years |
% |
58 |
43 |
49 |
52 |
56 |
60 |
66 |
68 |
67 |
65 |
63 |
51 |
50 |
Average number of cloudy days over 24 years |
days |
160 |
19 |
15 |
17 |
16 |
14 |
10 |
8 |
8 |
10 |
11 |
14 |
18 |
Average number of partly cloudy days over 24 years |
days |
114 |
5 |
6 |
7 |
7 |
11 |
13 |
16 |
17 |
12 |
9 |
7 |
5 |
Average number of days above 22°C over 27 years |
days |
201 |
1 |
2 |
6 |
16 |
26 |
29 |
31 |
31 |
28 |
21 |
8 |
2 |
Average number of days below 4.5°C over 27 years |
days |
84 |
21 |
17 |
10 |
3 |
- |
- |
- |
- |
- |
2 |
12 |
19 |