Average temperature over 34 years |
°C |
20 |
10 |
12 |
16 |
20 |
23 |
27 |
28 |
27 |
25 |
21 |
16 |
12 |
Average high temperature over 34 years |
°C |
25 |
15 |
17 |
21 |
25 |
28 |
31 |
32 |
32 |
30 |
27 |
21 |
17 |
Average low temperature over 34 years |
°C |
14 |
5 |
6 |
10 |
15 |
18 |
22 |
23 |
22 |
20 |
14 |
10 |
6 |
Highest recorded temperature over 34 years |
°C |
39 |
27 |
28 |
30 |
35 |
35 |
37 |
38 |
39 |
37 |
33 |
30 |
27 |
Lowest recorded temperature over 34 years |
°C |
-11 |
-9 |
-5 |
-3 |
1 |
9 |
13 |
16 |
15 |
8 |
-1 |
-5 |
-11 |
Average number of rainy days over 32 years |
days |
103 |
10 |
8 |
8 |
7 |
8 |
9 |
11 |
11 |
9 |
6 |
8 |
9 |
Average number of days above 27°C over 34 years |
days |
74 |
- |
- |
- |
- |
2 |
14 |
23 |
22 |
11 |
1 |
- |
- |
Average precipitation over 34 years |
cm |
141.2 |
13.0 |
8.6 |
8.6 |
9.4 |
13.7 |
14.2 |
13.0 |
13.5 |
13.7 |
9.9 |
11.2 |
12.4 |
Average dew point over 34 years |
°C |
15 |
6 |
7 |
11 |
15 |
18 |
22 |
23 |
22 |
20 |
15 |
11 |
7 |
Average number of days above 17°C over 34 years |
days |
272 |
7 |
9 |
19 |
28 |
31 |
30 |
31 |
31 |
30 |
29 |
18 |
10 |
Most recorded rainfall over 34 years |
cm |
192.5 |
36.3 |
17.3 |
22.9 |
27.7 |
37.6 |
64.3 |
33.5 |
44.2 |
50.8 |
43.9 |
35.8 |
33.8 |
Least recorded rainfall over 34 years |
cm |
88.4 |
2.0 |
1.5 |
0.8 |
1.3 |
0.8 |
2.0 |
1.3 |
2.0 |
1.0 |
- |
0.3 |
5.3 |
Average number of days with thunderstorms over 34 years |
days |
77 |
3 |
3 |
4 |
5 |
8 |
10 |
14 |
13 |
8 |
3 |
3 |
3 |
Average number of days with fog over 34 years |
days |
196 |
18 |
16 |
18 |
17 |
18 |
13 |
11 |
16 |
17 |
18 |
16 |
18 |
Average morning relative humidity over 34 years |
% |
91 |
87 |
87 |
89 |
91 |
93 |
93 |
94 |
94 |
93 |
91 |
89 |
88 |
Average evening relative humidity over 34 years |
% |
60 |
64 |
59 |
59 |
59 |
60 |
62 |
64 |
62 |
60 |
52 |
57 |
63 |
Average wind speed over 34 years |
km/h |
16.1 |
17.7 |
17.7 |
17.7 |
17.7 |
17.7 |
14.5 |
12.9 |
9.7 |
9.7 |
12.9 |
16.1 |
17.7 |
Average number of days below -1.5°C over 34 years |
days |
14 |
6 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
4 |
Average number of clear days over 32 years |
days |
98 |
7 |
8 |
7 |
7 |
7 |
8 |
6 |
7 |
9 |
13 |
10 |
8 |
Heating degree days over 30 years |
days |
1616 |
467 |
328 |
178 |
40 |
- |
- |
- |
- |
- |
35 |
193 |
375 |
Cooling degree days over 30 years |
days |
2650 |
15 |
12 |
45 |
139 |
307 |
459 |
533 |
524 |
381 |
162 |
55 |
18 |
Average possibility of sunshine over 12 years |
% |
69 |
55 |
60 |
71 |
71 |
70 |
77 |
80 |
78 |
76 |
72 |
62 |
53 |
Average number of cloudy days over 32 years |
days |
152 |
19 |
15 |
16 |
15 |
12 |
9 |
11 |
9 |
10 |
9 |
12 |
16 |
Average number of partly cloudy days over 32 years |
days |
115 |
5 |
5 |
8 |
8 |
12 |
13 |
14 |
15 |
11 |
9 |
8 |
7 |