Average temperature over 48 years |
°C |
23 |
18 |
19 |
21 |
23 |
25 |
27 |
28 |
28 |
27 |
25 |
22 |
20 |
Average high temperature over 48 years |
°C |
28 |
23 |
24 |
26 |
27 |
30 |
31 |
32 |
32 |
31 |
29 |
26 |
24 |
Average low temperature over 48 years |
°C |
19 |
13 |
14 |
16 |
18 |
21 |
22 |
23 |
23 |
23 |
21 |
18 |
15 |
Highest recorded temperature over 48 years |
°C |
37 |
30 |
32 |
34 |
37 |
35 |
36 |
37 |
36 |
35 |
35 |
32 |
31 |
Lowest recorded temperature over 48 years |
°C |
-2 |
-2 |
0 |
-1 |
6 |
10 |
16 |
20 |
18 |
19 |
7 |
2 |
-2 |
Average number of rainy days over 51 years |
days |
133 |
8 |
7 |
8 |
7 |
11 |
14 |
15 |
16 |
17 |
13 |
9 |
8 |
Average number of days above 27°C over 48 years |
days |
75 |
- |
- |
1 |
2 |
4 |
12 |
20 |
21 |
12 |
2 |
- |
- |
Average precipitation over 48 years |
cm |
155.4 |
7.9 |
6.6 |
8.6 |
8.9 |
14.0 |
19.6 |
15.5 |
16.8 |
22.6 |
18.0 |
10.4 |
6.9 |
Average dew point over 48 years |
°C |
18 |
13 |
13 |
15 |
16 |
19 |
22 |
22 |
22 |
22 |
20 |
17 |
14 |
Most recorded rainfall over 48 years |
cm |
218.2 |
27.9 |
22.1 |
42.7 |
32.0 |
38.6 |
45.5 |
33.8 |
51.1 |
63.2 |
47.5 |
37.1 |
29.7 |
Least recorded rainfall over 48 years |
cm |
94.7 |
0.5 |
0.8 |
0.8 |
- |
1.0 |
2.8 |
3.0 |
4.3 |
4.6 |
3.0 |
0.5 |
0.3 |
Average number of days with thunderstorms over 48 years |
days |
79 |
1 |
1 |
3 |
4 |
7 |
13 |
16 |
16 |
11 |
4 |
2 |
1 |
Average number of days with fog over 48 years |
days |
50 |
7 |
6 |
6 |
4 |
3 |
3 |
2 |
2 |
2 |
4 |
5 |
6 |
Average morning relative humidity over 48 years |
% |
84 |
84 |
84 |
83 |
79 |
80 |
84 |
85 |
86 |
87 |
85 |
84 |
84 |
Average evening relative humidity over 48 years |
% |
64 |
61 |
59 |
58 |
58 |
63 |
69 |
68 |
68 |
70 |
66 |
64 |
62 |
Average wind speed over 48 years |
km/h |
17.7 |
16.1 |
16.1 |
19.3 |
19.3 |
17.7 |
16.1 |
16.1 |
16.1 |
17.7 |
20.9 |
20.9 |
16.1 |
Average number of days below -1.5°C over 48 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of clear days over 48 years |
days |
75 |
8 |
8 |
8 |
9 |
7 |
4 |
4 |
3 |
3 |
6 |
7 |
9 |
Heating degree days over 30 years |
days |
323 |
122 |
85 |
27 |
- |
- |
- |
- |
- |
- |
- |
15 |
74 |
Cooling degree days over 30 years |
days |
3891 |
125 |
119 |
182 |
252 |
391 |
468 |
533 |
543 |
498 |
397 |
234 |
149 |
Average number of cloudy days over 48 years |
days |
131 |
12 |
9 |
10 |
8 |
10 |
13 |
13 |
12 |
13 |
11 |
10 |
10 |
Average number of partly cloudy days over 48 years |
days |
159 |
11 |
11 |
13 |
13 |
14 |
13 |
14 |
16 |
14 |
14 |
13 |
12 |
Average number of days above 22°C over 48 years |
days |
270 |
10 |
10 |
16 |
23 |
30 |
30 |
31 |
31 |
30 |
29 |
20 |
11 |
Average number of days below 4.5°C over 48 years |
days |
12 |
4 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
3 |