Average temperature over 48 years |
°C |
16 |
4 |
7 |
11 |
17 |
21 |
26 |
28 |
27 |
23 |
17 |
11 |
6 |
Average high temperature over 48 years |
°C |
22 |
9 |
12 |
16 |
22 |
27 |
31 |
33 |
32 |
28 |
23 |
16 |
11 |
Average low temperature over 48 years |
°C |
11 |
0 |
1 |
6 |
11 |
16 |
20 |
22 |
21 |
17 |
11 |
5 |
1 |
Highest recorded temperature over 48 years |
°C |
42 |
25 |
27 |
29 |
34 |
37 |
40 |
42 |
39 |
39 |
35 |
29 |
27 |
Lowest recorded temperature over 48 years |
°C |
-25 |
-20 |
-23 |
-9 |
-1 |
4 |
8 |
13 |
11 |
2 |
-3 |
-12 |
-25 |
Average number of rainy days over 43 years |
days |
107 |
10 |
9 |
11 |
10 |
9 |
9 |
9 |
8 |
7 |
6 |
9 |
10 |
Average number of days above 27°C over 48 years |
days |
66 |
- |
- |
- |
- |
3 |
14 |
22 |
18 |
8 |
1 |
- |
- |
Average precipitation over 48 years |
cm |
133.1 |
11.9 |
11.4 |
13.2 |
14.2 |
12.4 |
9.9 |
9.9 |
8.6 |
8.1 |
7.4 |
12.2 |
13.5 |
Average dew point over 41 years |
°C |
10 |
-1 |
1 |
4 |
8 |
15 |
18 |
21 |
20 |
16 |
10 |
4 |
0 |
Average number of days above 17°C over 48 years |
days |
215 |
1 |
3 |
9 |
20 |
28 |
30 |
31 |
31 |
29 |
22 |
8 |
2 |
Most recorded rainfall over 48 years |
cm |
195.1 |
40.4 |
26.7 |
30.7 |
43.4 |
29.5 |
19.1 |
22.4 |
24.4 |
19.3 |
19.8 |
26.7 |
35.1 |
Least recorded rainfall over 48 years |
cm |
97.8 |
1.5 |
2.8 |
3.8 |
3.6 |
2.0 |
- |
1.0 |
1.0 |
0.5 |
- |
1.3 |
2.5 |
Average number of days with thunderstorms over 48 years |
days |
52 |
2 |
2 |
4 |
6 |
7 |
8 |
8 |
6 |
3 |
2 |
2 |
2 |
Average number of days with fog over 48 years |
days |
109 |
13 |
10 |
9 |
7 |
8 |
6 |
7 |
9 |
10 |
9 |
10 |
11 |
Average morning relative humidity over 41 years |
% |
78 |
79 |
78 |
75 |
74 |
77 |
77 |
80 |
81 |
82 |
81 |
79 |
78 |
Average evening relative humidity over 41 years |
% |
54 |
60 |
56 |
52 |
49 |
53 |
53 |
55 |
54 |
53 |
49 |
54 |
60 |
Average wind speed over 41 years |
km/h |
14.5 |
17.7 |
16.1 |
17.7 |
17.7 |
14.5 |
12.9 |
12.9 |
9.7 |
14.5 |
12.9 |
16.1 |
16.1 |
Average number of days below -1.5°C over 48 years |
days |
55 |
18 |
12 |
5 |
- |
- |
- |
- |
- |
- |
- |
6 |
14 |
Average snowfall over 43 years |
cm |
13.0 |
5.8 |
3.3 |
2.0 |
- |
- |
- |
- |
- |
- |
- |
0.3 |
1.5 |
Average number of clear days over 41 years |
days |
118 |
8 |
8 |
8 |
9 |
8 |
10 |
10 |
11 |
12 |
14 |
10 |
9 |
Heating degree days over 30 years |
days |
3082 |
784 |
582 |
383 |
127 |
25 |
- |
- |
- |
10 |
131 |
380 |
660 |
Cooling degree days over 30 years |
days |
2118 |
- |
- |
14 |
64 |
217 |
423 |
546 |
496 |
286 |
72 |
- |
- |
Average possibility of sunshine over 35 years |
% |
64 |
50 |
54 |
56 |
64 |
69 |
74 |
74 |
75 |
69 |
70 |
58 |
50 |
Average number of cloudy days over 41 years |
days |
151 |
17 |
14 |
17 |
14 |
13 |
9 |
9 |
8 |
10 |
10 |
14 |
16 |
Average number of partly cloudy days over 41 years |
days |
96 |
6 |
6 |
6 |
7 |
10 |
11 |
12 |
12 |
8 |
7 |
6 |
6 |
Average number of days below -12.5°C over 48 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |