Average temperature over 48 years |
°C |
18 |
6 |
9 |
13 |
18 |
22 |
27 |
29 |
29 |
25 |
20 |
13 |
8 |
Average high temperature over 48 years |
°C |
24 |
12 |
15 |
20 |
24 |
28 |
33 |
35 |
35 |
31 |
26 |
18 |
14 |
Average low temperature over 48 years |
°C |
12 |
1 |
3 |
7 |
12 |
17 |
21 |
23 |
23 |
19 |
13 |
7 |
2 |
Highest recorded temperature over 48 years |
°C |
45 |
31 |
31 |
35 |
36 |
39 |
45 |
43 |
42 |
41 |
41 |
31 |
32 |
Lowest recorded temperature over 48 years |
°C |
-18 |
-15 |
-14 |
-11 |
-1 |
5 |
10 |
15 |
13 |
6 |
-1 |
-7 |
-18 |
Average number of rainy days over 40 years |
days |
79 |
7 |
7 |
7 |
8 |
9 |
7 |
5 |
5 |
7 |
6 |
6 |
7 |
Average number of days above 27°C over 48 years |
days |
100 |
- |
- |
- |
1 |
5 |
21 |
28 |
27 |
15 |
3 |
- |
- |
Average precipitation over 48 years |
cm |
84.6 |
4.8 |
5.6 |
6.6 |
9.7 |
12.7 |
7.4 |
5.6 |
5.1 |
7.6 |
8.9 |
5.6 |
4.8 |
Average dew point over 43 years |
°C |
11 |
0 |
2 |
5 |
11 |
16 |
19 |
20 |
19 |
17 |
11 |
6 |
1 |
Average number of days above 17°C over 48 years |
days |
245 |
4 |
7 |
15 |
24 |
30 |
30 |
31 |
31 |
29 |
26 |
13 |
5 |
Most recorded rainfall over 48 years |
cm |
135.9 |
13.7 |
15.7 |
17.0 |
31.0 |
34.8 |
22.4 |
28.2 |
17.3 |
24.1 |
36.1 |
15.7 |
22.4 |
Least recorded rainfall over 48 years |
cm |
47.0 |
- |
0.3 |
0.3 |
0.3 |
2.5 |
- |
- |
- |
0.3 |
- |
- |
- |
Average number of days with thunderstorms over 48 years |
days |
47 |
1 |
2 |
4 |
6 |
8 |
6 |
5 |
5 |
4 |
3 |
2 |
1 |
Average number of days with fog over 48 years |
days |
82 |
11 |
9 |
9 |
8 |
8 |
3 |
2 |
2 |
5 |
7 |
8 |
10 |
Average morning relative humidity over 43 years |
% |
82 |
80 |
79 |
79 |
82 |
87 |
85 |
80 |
80 |
84 |
82 |
81 |
80 |
Average evening relative humidity over 43 years |
% |
48 |
53 |
51 |
48 |
50 |
53 |
48 |
42 |
41 |
47 |
47 |
49 |
52 |
Average wind speed over 43 years |
km/h |
19.3 |
19.3 |
19.3 |
22.5 |
22.5 |
20.9 |
19.3 |
17.7 |
16.1 |
17.7 |
17.7 |
19.3 |
17.7 |
Average number of days below -1.5°C over 48 years |
days |
39 |
14 |
8 |
3 |
- |
- |
- |
- |
- |
- |
- |
3 |
10 |
Average snowfall over 40 years |
cm |
6.9 |
3.0 |
2.5 |
0.5 |
- |
- |
- |
- |
- |
- |
- |
0.3 |
0.5 |
Average number of clear days over 40 years |
days |
136 |
10 |
10 |
10 |
9 |
8 |
11 |
15 |
15 |
13 |
14 |
12 |
11 |
Heating degree days over 30 years |
days |
2407 |
670 |
484 |
286 |
75 |
- |
- |
- |
- |
- |
51 |
275 |
566 |
Cooling degree days over 30 years |
days |
2603 |
- |
5 |
29 |
90 |
246 |
480 |
629 |
617 |
372 |
119 |
11 |
5 |
Average possibility of sunshine over 15 years |
% |
62 |
53 |
54 |
60 |
62 |
59 |
67 |
76 |
73 |
69 |
62 |
57 |
52 |
Average number of cloudy days over 40 years |
days |
133 |
15 |
13 |
13 |
13 |
13 |
8 |
6 |
6 |
8 |
10 |
12 |
14 |
Average number of partly cloudy days over 40 years |
days |
97 |
6 |
5 |
8 |
8 |
10 |
11 |
10 |
10 |
9 |
7 |
6 |
6 |
Average number of days below -12.5°C over 48 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |