Average temperature over 48 years |
°C |
22 |
13 |
15 |
18 |
22 |
25 |
27 |
28 |
29 |
27 |
23 |
18 |
15 |
Average high temperature over 48 years |
°C |
27 |
18 |
20 |
23 |
27 |
30 |
32 |
33 |
33 |
32 |
28 |
23 |
20 |
Average low temperature over 48 years |
°C |
17 |
7 |
9 |
13 |
17 |
21 |
23 |
23 |
23 |
22 |
17 |
12 |
9 |
Highest recorded temperature over 48 years |
°C |
39 |
32 |
36 |
38 |
38 |
39 |
38 |
38 |
39 |
39 |
36 |
36 |
32 |
Lowest recorded temperature over 48 years |
°C |
-10 |
-10 |
-7 |
-4 |
0 |
8 |
14 |
17 |
17 |
12 |
-2 |
-2 |
-10 |
Average number of rainy days over 54 years |
days |
77 |
8 |
7 |
5 |
5 |
7 |
6 |
5 |
6 |
9 |
6 |
6 |
7 |
Average number of days above 27°C over 48 years |
days |
106 |
- |
- |
1 |
2 |
5 |
20 |
28 |
28 |
17 |
5 |
- |
- |
Average precipitation over 48 years |
cm |
77.2 |
4.1 |
4.8 |
3.0 |
5.1 |
8.1 |
8.1 |
4.8 |
8.1 |
13.7 |
8.6 |
4.1 |
4.3 |
Average dew point over 48 years |
°C |
16 |
8 |
10 |
13 |
17 |
21 |
22 |
23 |
23 |
21 |
17 |
13 |
10 |
Most recorded rainfall over 48 years |
cm |
122.2 |
27.4 |
20.6 |
12.4 |
20.3 |
23.9 |
33.8 |
30.2 |
37.6 |
51.6 |
27.9 |
13.2 |
24.9 |
Least recorded rainfall over 48 years |
cm |
37.3 |
- |
- |
- |
- |
- |
- |
- |
0.3 |
1.3 |
- |
- |
- |
Average number of days with thunderstorms over 48 years |
days |
27 |
1 |
1 |
1 |
2 |
4 |
3 |
2 |
4 |
5 |
2 |
1 |
1 |
Average number of days with fog over 48 years |
days |
110 |
16 |
14 |
14 |
12 |
9 |
4 |
2 |
3 |
5 |
7 |
10 |
14 |
Average morning relative humidity over 48 years |
% |
89 |
87 |
88 |
87 |
89 |
92 |
92 |
93 |
92 |
90 |
89 |
86 |
86 |
Average evening relative humidity over 48 years |
% |
59 |
62 |
60 |
58 |
61 |
64 |
62 |
56 |
56 |
60 |
57 |
58 |
60 |
Average wind speed over 48 years |
km/h |
20.9 |
22.5 |
25.7 |
27.4 |
22.5 |
20.9 |
19.3 |
19.3 |
19.3 |
17.7 |
17.7 |
22.5 |
22.5 |
Average number of days below -1.5°C over 48 years |
days |
6 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of clear days over 51 years |
days |
103 |
7 |
7 |
7 |
6 |
6 |
9 |
11 |
11 |
10 |
13 |
9 |
8 |
Heating degree days over 30 years |
days |
1016 |
338 |
213 |
100 |
9 |
- |
- |
- |
- |
- |
- |
95 |
261 |
Cooling degree days over 30 years |
days |
3439 |
31 |
31 |
119 |
234 |
400 |
507 |
592 |
595 |
480 |
281 |
116 |
53 |
Average possibility of sunshine over 51 years |
% |
61 |
44 |
49 |
55 |
56 |
59 |
72 |
80 |
77 |
68 |
68 |
54 |
44 |
Average number of cloudy days over 51 years |
days |
142 |
17 |
15 |
16 |
15 |
13 |
7 |
6 |
7 |
8 |
8 |
12 |
17 |
Average number of partly cloudy days over 51 years |
days |
121 |
7 |
6 |
8 |
9 |
12 |
14 |
14 |
13 |
12 |
10 |
9 |
6 |
Average number of days above 22°C over 48 years |
days |
231 |
3 |
5 |
11 |
20 |
29 |
30 |
31 |
31 |
29 |
25 |
12 |
5 |
Average number of days below 4.5°C over 48 years |
days |
49 |
15 |
10 |
5 |
1 |
- |
- |
- |
- |
- |
- |
6 |
12 |