Average temperature over 39 years |
°C |
17 |
7 |
7 |
11 |
15 |
19 |
23 |
26 |
26 |
23 |
18 |
14 |
9 |
Average high temperature over 39 years |
°C |
21 |
11 |
12 |
15 |
20 |
23 |
27 |
29 |
29 |
27 |
22 |
18 |
13 |
Average low temperature over 39 years |
°C |
12 |
3 |
3 |
6 |
10 |
15 |
20 |
22 |
22 |
20 |
15 |
10 |
5 |
Highest recorded temperature over 39 years |
°C |
35 |
23 |
24 |
27 |
31 |
32 |
35 |
35 |
34 |
33 |
31 |
27 |
25 |
Lowest recorded temperature over 39 years |
°C |
-14 |
-14 |
-10 |
-7 |
-3 |
3 |
6 |
12 |
13 |
7 |
0 |
-5 |
-11 |
Average number of rainy days over 36 years |
days |
120 |
11 |
10 |
11 |
9 |
10 |
9 |
12 |
11 |
9 |
9 |
9 |
10 |
Average number of days above 27°C over 39 years |
days |
5 |
- |
- |
- |
- |
- |
1 |
2 |
2 |
- |
- |
- |
- |
Average precipitation over 39 years |
cm |
144.5 |
14.2 |
10.4 |
11.7 |
8.1 |
9.7 |
10.7 |
12.4 |
16.3 |
13.5 |
13.5 |
12.4 |
11.4 |
Average dew point over 39 years |
°C |
12 |
2 |
2 |
6 |
10 |
15 |
19 |
22 |
22 |
19 |
13 |
9 |
5 |
Average number of days above 17°C over 39 years |
days |
201 |
1 |
1 |
5 |
13 |
25 |
29 |
31 |
31 |
30 |
21 |
10 |
3 |
Most recorded rainfall over 39 years |
cm |
230.6 |
31.5 |
21.3 |
28.4 |
24.4 |
29.0 |
27.4 |
25.4 |
40.9 |
50.8 |
38.1 |
41.1 |
24.4 |
Least recorded rainfall over 39 years |
cm |
105.4 |
4.6 |
2.8 |
2.5 |
1.0 |
0.8 |
1.0 |
1.0 |
2.5 |
0.3 |
1.3 |
2.8 |
1.5 |
Average number of days with thunderstorms over 39 years |
days |
41 |
1 |
2 |
2 |
3 |
5 |
5 |
8 |
8 |
3 |
2 |
1 |
1 |
Average number of days with fog over 39 years |
days |
118 |
13 |
11 |
12 |
8 |
10 |
9 |
8 |
9 |
7 |
10 |
10 |
11 |
Average morning relative humidity over 39 years |
% |
82 |
80 |
80 |
80 |
78 |
81 |
82 |
85 |
86 |
83 |
82 |
81 |
80 |
Average evening relative humidity over 39 years |
% |
68 |
69 |
66 |
65 |
62 |
67 |
70 |
72 |
72 |
69 |
68 |
69 |
69 |
Average wind speed over 39 years |
km/h |
19.3 |
19.3 |
20.9 |
20.9 |
19.3 |
17.7 |
17.7 |
17.7 |
17.7 |
17.7 |
19.3 |
19.3 |
17.7 |
Average number of days below -1.5°C over 39 years |
days |
29 |
10 |
8 |
3 |
- |
- |
- |
- |
- |
- |
- |
1 |
6 |
Average snowfall over 36 years |
cm |
5.1 |
1.0 |
1.5 |
1.0 |
- |
- |
- |
- |
- |
- |
- |
- |
1.5 |
Average number of clear days over 36 years |
days |
108 |
9 |
9 |
10 |
10 |
8 |
8 |
7 |
8 |
9 |
11 |
10 |
10 |
Heating degree days over 30 years |
days |
2698 |
639 |
546 |
421 |
196 |
38 |
- |
- |
- |
- |
90 |
265 |
503 |
Cooling degree days over 30 years |
days |
1638 |
6 |
- |
6 |
13 |
100 |
276 |
412 |
415 |
276 |
102 |
25 |
7 |
Average possibility of sunshine over 31 years |
% |
60 |
48 |
52 |
61 |
66 |
65 |
64 |
65 |
65 |
64 |
60 |
56 |
48 |
Average number of cloudy days over 36 years |
days |
156 |
15 |
14 |
14 |
11 |
13 |
12 |
14 |
13 |
11 |
12 |
12 |
14 |
Average number of partly cloudy days over 36 years |
days |
101 |
7 |
5 |
7 |
9 |
10 |
10 |
10 |
10 |
10 |
8 |
8 |
7 |