Average temperature over 39 years |
°C |
20 |
11 |
12 |
16 |
20 |
23 |
27 |
27 |
27 |
26 |
21 |
15 |
12 |
Average high temperature over 39 years |
°C |
25 |
16 |
17 |
21 |
25 |
28 |
31 |
32 |
32 |
30 |
26 |
21 |
17 |
Average low temperature over 39 years |
°C |
15 |
6 |
7 |
10 |
14 |
18 |
22 |
23 |
23 |
21 |
15 |
10 |
7 |
Highest recorded temperature over 39 years |
°C |
41 |
27 |
27 |
30 |
35 |
38 |
38 |
41 |
40 |
36 |
35 |
29 |
27 |
Lowest recorded temperature over 39 years |
°C |
-15 |
-15 |
-10 |
-5 |
0 |
8 |
13 |
16 |
16 |
6 |
0 |
-5 |
-11 |
Average number of rainy days over 30 years |
days |
109 |
10 |
9 |
9 |
6 |
7 |
10 |
14 |
13 |
9 |
5 |
8 |
9 |
Average number of days above 27°C over 39 years |
days |
61 |
- |
- |
- |
- |
3 |
14 |
18 |
17 |
9 |
1 |
- |
- |
Average precipitation over 39 years |
cm |
159.0 |
11.9 |
12.4 |
15.0 |
10.7 |
11.2 |
16.8 |
18.8 |
17.8 |
14.5 |
9.7 |
8.9 |
10.9 |
Average dew point over 20 years |
°C |
14 |
6 |
8 |
10 |
13 |
18 |
21 |
22 |
22 |
20 |
15 |
10 |
7 |
Average number of days above 17°C over 39 years |
days |
267 |
7 |
8 |
17 |
27 |
31 |
30 |
31 |
31 |
30 |
29 |
17 |
9 |
Most recorded rainfall over 39 years |
cm |
235.5 |
47.8 |
29.7 |
33.0 |
39.4 |
26.2 |
53.6 |
51.8 |
35.8 |
39.9 |
37.6 |
30.5 |
38.9 |
Least recorded rainfall over 39 years |
cm |
72.4 |
1.5 |
1.3 |
2.0 |
1.0 |
0.3 |
0.8 |
4.3 |
2.3 |
1.0 |
- |
0.8 |
1.5 |
Average number of days with thunderstorms over 33 years |
days |
69 |
2 |
3 |
4 |
4 |
5 |
10 |
15 |
14 |
7 |
2 |
2 |
1 |
Average number of days with fog over 33 years |
days |
181 |
18 |
15 |
18 |
16 |
15 |
13 |
12 |
15 |
14 |
14 |
14 |
17 |
Average morning relative humidity over 20 years |
% |
82 |
84 |
84 |
82 |
80 |
78 |
79 |
81 |
83 |
83 |
81 |
83 |
85 |
Average evening relative humidity over 20 years |
% |
63 |
64 |
62 |
60 |
59 |
61 |
63 |
67 |
67 |
64 |
59 |
63 |
67 |
Average wind speed over 20 years |
km/h |
14.5 |
16.1 |
16.1 |
17.7 |
17.7 |
16.1 |
14.5 |
12.9 |
9.7 |
12.9 |
12.9 |
16.1 |
14.5 |
Average number of days below -1.5°C over 39 years |
days |
15 |
6 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
4 |
Average number of clear days over 27 years |
days |
106 |
8 |
9 |
9 |
10 |
9 |
7 |
4 |
6 |
10 |
14 |
11 |
8 |
Heating degree days over 30 years |
days |
1617 |
471 |
331 |
184 |
38 |
- |
- |
- |
- |
- |
39 |
183 |
371 |
Cooling degree days over 30 years |
days |
2636 |
25 |
12 |
42 |
116 |
295 |
459 |
530 |
512 |
402 |
172 |
51 |
20 |
Average possibility of sunshine over 5 years |
% |
60 |
48 |
53 |
61 |
63 |
67 |
67 |
57 |
58 |
60 |
71 |
64 |
49 |
Average number of cloudy days over 27 years |
days |
136 |
16 |
12 |
14 |
11 |
11 |
8 |
10 |
10 |
9 |
8 |
11 |
16 |
Average number of partly cloudy days over 27 years |
days |
123 |
7 |
7 |
8 |
9 |
11 |
15 |
17 |
15 |
11 |
9 |
8 |
7 |