Average temperature over 48 years |
°C |
21 |
14 |
15 |
17 |
20 |
23 |
26 |
27 |
27 |
26 |
23 |
18 |
15 |
Average high temperature over 48 years |
°C |
26 |
20 |
21 |
23 |
26 |
29 |
31 |
32 |
31 |
30 |
27 |
23 |
21 |
Average low temperature over 48 years |
°C |
16 |
8 |
9 |
12 |
15 |
18 |
21 |
22 |
22 |
22 |
18 |
13 |
10 |
Highest recorded temperature over 48 years |
°C |
38 |
30 |
31 |
33 |
35 |
37 |
38 |
38 |
37 |
35 |
35 |
31 |
31 |
Lowest recorded temperature over 48 years |
°C |
-9 |
-9 |
-4 |
-3 |
1 |
6 |
11 |
15 |
18 |
11 |
5 |
-2 |
-7 |
Average number of rainy days over 50 years |
days |
114 |
7 |
8 |
8 |
6 |
8 |
12 |
13 |
14 |
13 |
11 |
7 |
7 |
Average number of days above 27°C over 48 years |
days |
55 |
- |
- |
- |
1 |
5 |
11 |
17 |
14 |
6 |
1 |
- |
- |
Average precipitation over 48 years |
cm |
124.2 |
6.6 |
7.4 |
8.4 |
6.3 |
7.9 |
15.0 |
14.2 |
16.3 |
17.0 |
12.2 |
6.9 |
6.1 |
Average dew point over 48 years |
°C |
16 |
9 |
10 |
12 |
14 |
18 |
21 |
22 |
22 |
21 |
18 |
13 |
11 |
Most recorded rainfall over 48 years |
cm |
201.4 |
18.3 |
23.1 |
20.6 |
18.0 |
31.2 |
38.6 |
36.6 |
50.5 |
38.6 |
33.0 |
32.8 |
30.5 |
Least recorded rainfall over 48 years |
cm |
79.8 |
0.3 |
1.5 |
0.8 |
- |
0.3 |
2.5 |
0.5 |
5.1 |
1.0 |
0.5 |
- |
0.3 |
Average number of days with thunderstorms over 48 years |
days |
78 |
1 |
2 |
3 |
4 |
8 |
14 |
17 |
15 |
9 |
3 |
1 |
1 |
Average number of days with fog over 48 years |
days |
129 |
15 |
12 |
12 |
10 |
10 |
10 |
8 |
9 |
8 |
9 |
12 |
14 |
Average morning relative humidity over 48 years |
% |
87 |
87 |
86 |
86 |
85 |
85 |
87 |
89 |
91 |
90 |
87 |
87 |
87 |
Average evening relative humidity over 48 years |
% |
64 |
61 |
59 |
57 |
56 |
61 |
68 |
69 |
71 |
71 |
66 |
64 |
63 |
Average wind speed over 48 years |
km/h |
16.1 |
14.5 |
17.7 |
17.7 |
17.7 |
17.7 |
16.1 |
9.7 |
16.1 |
17.7 |
17.7 |
12.9 |
12.9 |
Average number of clear days over 50 years |
days |
98 |
9 |
9 |
10 |
11 |
10 |
5 |
5 |
5 |
5 |
10 |
10 |
9 |
Heating degree days over 30 years |
days |
909 |
282 |
205 |
112 |
21 |
- |
- |
- |
- |
- |
- |
82 |
207 |
Cooling degree days over 30 years |
days |
2919 |
50 |
37 |
90 |
150 |
301 |
432 |
502 |
496 |
432 |
265 |
109 |
55 |
Average number of cloudy days over 50 years |
days |
135 |
13 |
11 |
12 |
8 |
10 |
12 |
12 |
11 |
12 |
11 |
10 |
13 |
Average number of partly cloudy days over 50 years |
days |
133 |
9 |
8 |
9 |
11 |
11 |
13 |
14 |
15 |
13 |
10 |
10 |
9 |
Average number of days above 22°C over 48 years |
days |
218 |
4 |
5 |
10 |
16 |
28 |
30 |
31 |
31 |
29 |
22 |
9 |
4 |
Average number of days below 4.5°C over 48 years |
days |
47 |
13 |
10 |
6 |
1 |
- |
- |
- |
- |
- |
- |
5 |
11 |