Average temperature over 43 years |
°C |
18 |
13 |
14 |
15 |
16 |
17 |
19 |
22 |
22 |
22 |
19 |
17 |
15 |
Average high temperature over 43 years |
°C |
22 |
18 |
18 |
20 |
21 |
22 |
24 |
27 |
27 |
27 |
25 |
22 |
20 |
Average low temperature over 43 years |
°C |
12 |
8 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
14 |
11 |
10 |
Highest recorded temperature over 43 years |
°C |
43 |
32 |
33 |
33 |
35 |
37 |
40 |
39 |
38 |
43 |
40 |
35 |
33 |
Lowest recorded temperature over 43 years |
°C |
-4 |
-2 |
1 |
3 |
5 |
6 |
10 |
12 |
10 |
10 |
7 |
4 |
-4 |
Average number of rainy days over 58 years |
days |
35 |
6 |
6 |
6 |
3 |
1 |
- |
1 |
- |
1 |
2 |
3 |
5 |
Average number of days above 27°C over 43 years |
days |
16 |
- |
- |
- |
1 |
1 |
1 |
3 |
3 |
5 |
3 |
1 |
- |
Average precipitation over 43 years |
cm |
35.6 |
6.9 |
7.9 |
5.6 |
3.3 |
0.8 |
0.3 |
- |
- |
0.5 |
1.0 |
2.8 |
6.3 |
Most recorded rainfall over 43 years |
cm |
79.5 |
25.4 |
31.5 |
20.6 |
25.1 |
9.1 |
2.8 |
- |
1.0 |
14.5 |
5.8 |
15.2 |
21.6 |
Least recorded rainfall over 43 years |
cm |
10.4 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with thunderstorms over 20 years |
days |
2 |
- |
1 |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with fog over 20 years |
days |
56 |
3 |
4 |
3 |
4 |
4 |
6 |
5 |
5 |
8 |
6 |
5 |
3 |
Average morning relative humidity over 34 years |
% |
79 |
70 |
74 |
79 |
80 |
83 |
85 |
86 |
86 |
83 |
79 |
72 |
68 |
Average evening relative humidity over 34 years |
% |
64 |
59 |
63 |
65 |
64 |
66 |
67 |
68 |
69 |
67 |
65 |
61 |
59 |
Average wind speed over 45 years |
km/h |
12.1 |
10.8 |
11.9 |
13.0 |
13.7 |
13.5 |
12.9 |
12.7 |
12.6 |
11.7 |
11.3 |
10.8 |
10.6 |
Average number of clear days over 58 years |
days |
147 |
12 |
11 |
12 |
12 |
10 |
10 |
13 |
14 |
13 |
13 |
15 |
13 |
Heating degree days over 30 years |
days |
1458 |
258 |
215 |
224 |
158 |
96 |
54 |
9 |
5 |
22 |
32 |
127 |
258 |
Cooling degree days over 30 years |
days |
727 |
- |
8 |
7 |
11 |
25 |
75 |
136 |
176 |
169 |
88 |
25 |
7 |
Average number of cloudy days over 58 years |
days |
102 |
11 |
11 |
11 |
9 |
10 |
9 |
5 |
5 |
6 |
8 |
7 |
10 |
Average number of partly cloudy days over 58 years |
days |
116 |
8 |
6 |
8 |
9 |
11 |
11 |
13 |
12 |
11 |
10 |
8 |
8 |
Average number of days below 4.5°C over 43 years |
days |
28 |
9 |
7 |
4 |
1 |
- |
- |
- |
- |
- |
- |
1 |
5 |
Average number of days above 19.5°C over 43 years |
days |
169 |
5 |
4 |
6 |
8 |
10 |
17 |
29 |
30 |
25 |
17 |
13 |
6 |