Average temperature over 40 years |
°C |
23 |
18 |
18 |
21 |
23 |
26 |
27 |
28 |
28 |
27 |
25 |
21 |
18 |
Average high temperature over 40 years |
°C |
28 |
23 |
24 |
26 |
29 |
31 |
32 |
32 |
33 |
32 |
30 |
26 |
24 |
Average low temperature over 40 years |
°C |
18 |
12 |
12 |
15 |
16 |
20 |
22 |
23 |
23 |
23 |
20 |
16 |
12 |
Highest recorded temperature over 40 years |
°C |
39 |
31 |
32 |
33 |
35 |
37 |
39 |
36 |
36 |
35 |
35 |
35 |
32 |
Lowest recorded temperature over 40 years |
°C |
-3 |
-2 |
0 |
0 |
3 |
11 |
15 |
18 |
19 |
17 |
8 |
1 |
-3 |
Average number of rainy days over 53 years |
days |
112 |
6 |
6 |
6 |
4 |
8 |
15 |
18 |
18 |
15 |
8 |
4 |
5 |
Average number of days above 27°C over 40 years |
days |
115 |
- |
- |
1 |
3 |
15 |
21 |
25 |
25 |
20 |
5 |
- |
- |
Average precipitation over 40 years |
cm |
136.9 |
5.1 |
5.6 |
6.6 |
4.3 |
9.1 |
23.6 |
22.6 |
22.6 |
20.8 |
8.9 |
3.6 |
3.8 |
Average dew point over 38 years |
°C |
17 |
12 |
12 |
14 |
16 |
18 |
22 |
22 |
23 |
22 |
19 |
16 |
13 |
Most recorded rainfall over 40 years |
cm |
190.0 |
20.1 |
27.4 |
47.2 |
14.5 |
26.2 |
51.1 |
42.4 |
42.4 |
42.2 |
30.2 |
20.6 |
13.2 |
Least recorded rainfall over 40 years |
cm |
83.3 |
- |
0.3 |
- |
- |
0.8 |
5.1 |
5.8 |
10.2 |
4.8 |
- |
- |
- |
Average number of days with thunderstorms over 40 years |
days |
92 |
1 |
1 |
2 |
3 |
6 |
16 |
22 |
21 |
14 |
4 |
1 |
1 |
Average number of days with fog over 40 years |
days |
107 |
15 |
12 |
13 |
10 |
9 |
6 |
3 |
3 |
4 |
8 |
11 |
13 |
Average morning relative humidity over 38 years |
% |
90 |
90 |
89 |
89 |
88 |
87 |
89 |
90 |
91 |
92 |
90 |
90 |
90 |
Average evening relative humidity over 38 years |
% |
59 |
56 |
54 |
52 |
50 |
53 |
64 |
68 |
67 |
66 |
59 |
58 |
57 |
Average wind speed over 38 years |
km/h |
12.9 |
12.9 |
14.5 |
14.5 |
14.5 |
12.9 |
9.7 |
9.7 |
9.7 |
9.7 |
14.5 |
12.9 |
12.9 |
Average number of clear days over 52 years |
days |
99 |
11 |
10 |
11 |
11 |
9 |
5 |
2 |
2 |
4 |
11 |
11 |
11 |
Heating degree days over 30 years |
days |
418 |
153 |
108 |
32 |
- |
- |
- |
- |
- |
- |
- |
25 |
100 |
Cooling degree days over 30 years |
days |
3855 |
116 |
103 |
160 |
247 |
412 |
501 |
552 |
558 |
510 |
378 |
199 |
119 |
Average number of cloudy days over 52 years |
days |
99 |
8 |
7 |
8 |
6 |
7 |
9 |
11 |
10 |
11 |
7 |
7 |
8 |
Average number of partly cloudy days over 52 years |
days |
168 |
12 |
11 |
12 |
13 |
15 |
16 |
18 |
19 |
15 |
13 |
12 |
12 |
Average number of days above 22°C over 40 years |
days |
281 |
11 |
11 |
20 |
26 |
31 |
30 |
31 |
31 |
30 |
28 |
20 |
13 |
Average number of days below 4.5°C over 40 years |
days |
18 |
6 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
5 |