Average temperature over 34 years |
°C |
12 |
0 |
1 |
5 |
10 |
16 |
21 |
24 |
23 |
20 |
13 |
8 |
3 |
Average high temperature over 34 years |
°C |
16 |
3 |
4 |
8 |
14 |
20 |
25 |
28 |
27 |
23 |
18 |
12 |
6 |
Average low temperature over 34 years |
°C |
8 |
-3 |
-2 |
1 |
6 |
11 |
16 |
20 |
19 |
15 |
9 |
5 |
0 |
Highest recorded temperature over 34 years |
°C |
40 |
20 |
20 |
29 |
32 |
37 |
37 |
40 |
38 |
36 |
29 |
25 |
21 |
Lowest recorded temperature over 34 years |
°C |
-18 |
-18 |
- |
-13 |
-6 |
1 |
7 |
12 |
7 |
5 |
-1 |
-7 |
-16 |
Average number of rainy days over 35 years |
days |
118 |
10 |
10 |
11 |
11 |
11 |
10 |
9 |
9 |
9 |
8 |
10 |
11 |
Average number of days above 27°C over 34 years |
days |
10 |
- |
- |
- |
- |
- |
2 |
4 |
3 |
1 |
- |
- |
- |
Average precipitation over 34 years |
cm |
103.6 |
8.4 |
7.4 |
8.9 |
9.4 |
9.9 |
7.9 |
9.4 |
9.1 |
8.4 |
7.4 |
8.6 |
9.1 |
Average dew point over 48 years |
°C |
5 |
-6 |
-5 |
-2 |
2 |
8 |
14 |
17 |
17 |
13 |
7 |
2 |
-3 |
Most recorded rainfall over 34 years |
cm |
150.1 |
21.1 |
12.4 |
20.8 |
24.1 |
27.2 |
20.6 |
21.6 |
21.1 |
24.4 |
16.8 |
24.1 |
17.0 |
Least recorded rainfall over 34 years |
cm |
64.5 |
1.3 |
2.5 |
2.3 |
3.6 |
1.5 |
- |
1.3 |
0.5 |
2.5 |
2.3 |
0.8 |
1.5 |
Average number of days with thunderstorms over 34 years |
days |
24 |
- |
- |
1 |
2 |
3 |
4 |
5 |
5 |
2 |
1 |
1 |
- |
Average number of days with fog over 34 years |
days |
133 |
10 |
9 |
11 |
11 |
13 |
12 |
13 |
12 |
11 |
10 |
11 |
10 |
Average morning relative humidity over 47 years |
% |
74 |
71 |
71 |
71 |
70 |
73 |
74 |
75 |
78 |
79 |
78 |
76 |
73 |
Average evening relative humidity over 48 years |
% |
61 |
61 |
59 |
57 |
58 |
61 |
63 |
63 |
63 |
62 |
60 |
61 |
62 |
Average wind speed over 48 years |
km/h |
20.9 |
25.7 |
27.4 |
27.4 |
19.3 |
19.3 |
17.7 |
17.7 |
17.7 |
17.7 |
16.1 |
22.5 |
25.7 |
Average number of days below -1.5°C over 34 years |
days |
78 |
23 |
20 |
12 |
1 |
- |
- |
- |
- |
- |
- |
4 |
17 |
Average snowfall over 35 years |
cm |
57.7 |
17.8 |
19.3 |
9.9 |
1.0 |
- |
- |
- |
- |
- |
- |
0.8 |
8.9 |
Average number of days above 14.5°C over 34 years |
days |
165 |
- |
- |
1 |
6 |
20 |
29 |
31 |
31 |
28 |
15 |
3 |
- |
Average number of clear days over 35 years |
days |
98 |
8 |
8 |
8 |
8 |
7 |
7 |
8 |
8 |
10 |
11 |
8 |
8 |
Heating degree days over 30 years |
days |
5027 |
1048 |
899 |
744 |
435 |
178 |
9 |
- |
- |
39 |
261 |
534 |
880 |
Cooling degree days over 30 years |
days |
921 |
- |
- |
- |
- |
23 |
141 |
326 |
301 |
117 |
13 |
- |
- |
Average number of cloudy days over 35 years |
days |
151 |
15 |
13 |
14 |
13 |
13 |
12 |
11 |
10 |
11 |
11 |
14 |
15 |
Average number of partly cloudy days over 35 years |
days |
116 |
8 |
7 |
9 |
9 |
11 |
11 |
12 |
13 |
9 |
9 |
8 |
8 |
Average number of days below -15°C over 34 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |