Average temperature over 48 years |
°C |
12 |
0 |
2 |
7 |
12 |
17 |
22 |
25 |
23 |
20 |
13 |
7 |
2 |
Average high temperature over 48 years |
°C |
18 |
4 |
7 |
12 |
18 |
23 |
28 |
30 |
29 |
26 |
20 |
12 |
6 |
Average low temperature over 48 years |
°C |
7 |
-4 |
-3 |
1 |
6 |
12 |
16 |
18 |
18 |
14 |
7 |
2 |
-2 |
Highest recorded temperature over 48 years |
°C |
39 |
24 |
23 |
27 |
31 |
33 |
38 |
39 |
39 |
39 |
32 |
28 |
23 |
Lowest recorded temperature over 48 years |
°C |
-29 |
-29 |
-26 |
-18 |
-7 |
-3 |
3 |
8 |
5 |
1 |
-6 |
-19 |
-28 |
Average number of rainy days over 49 years |
days |
130 |
12 |
11 |
13 |
12 |
12 |
10 |
11 |
9 |
8 |
8 |
11 |
12 |
Average number of days above 27°C over 48 years |
days |
22 |
- |
- |
- |
- |
- |
4 |
8 |
7 |
2 |
- |
- |
- |
Average precipitation over 48 years |
cm |
114.8 |
9.1 |
8.6 |
11.4 |
9.7 |
11.2 |
10.7 |
11.9 |
9.7 |
7.6 |
6.1 |
8.9 |
9.9 |
Average dew point over 48 years |
°C |
7 |
-3 |
-3 |
0 |
5 |
11 |
16 |
18 |
17 |
13 |
7 |
1 |
-2 |
Average number of days above 17°C over 48 years |
days |
174 |
- |
- |
4 |
12 |
23 |
29 |
31 |
31 |
26 |
15 |
3 |
- |
Most recorded rainfall over 48 years |
cm |
152.7 |
42.2 |
25.7 |
26.4 |
23.6 |
27.4 |
29.7 |
26.9 |
28.4 |
24.6 |
15.5 |
17.5 |
25.9 |
Least recorded rainfall over 48 years |
cm |
81.5 |
1.0 |
1.8 |
2.5 |
3.0 |
3.0 |
1.5 |
2.0 |
1.5 |
0.5 |
0.8 |
1.0 |
1.5 |
Average number of days with thunderstorms over 48 years |
days |
44 |
1 |
1 |
3 |
4 |
6 |
8 |
9 |
7 |
3 |
1 |
1 |
- |
Average number of days with fog over 48 years |
days |
158 |
14 |
12 |
12 |
9 |
12 |
13 |
16 |
18 |
15 |
12 |
12 |
13 |
Average morning relative humidity over 48 years |
% |
81 |
81 |
80 |
77 |
75 |
79 |
81 |
84 |
86 |
86 |
83 |
81 |
81 |
Average evening relative humidity over 48 years |
% |
57 |
67 |
61 |
55 |
51 |
54 |
55 |
56 |
55 |
54 |
53 |
60 |
66 |
Average wind speed over 48 years |
km/h |
14.5 |
17.7 |
16.1 |
17.7 |
17.7 |
14.5 |
12.9 |
9.7 |
9.7 |
12.9 |
12.9 |
16.1 |
17.7 |
Average number of days below -1.5°C over 48 years |
days |
96 |
24 |
20 |
14 |
4 |
- |
- |
- |
- |
- |
2 |
12 |
21 |
Average snowfall over 49 years |
cm |
39.9 |
13.7 |
12.2 |
6.9 |
0.8 |
- |
- |
- |
- |
- |
- |
1.5 |
4.8 |
Average number of clear days over 49 years |
days |
90 |
6 |
6 |
6 |
6 |
7 |
7 |
8 |
9 |
11 |
12 |
7 |
6 |
Heating degree days over 30 years |
days |
4783 |
1060 |
854 |
611 |
312 |
135 |
5 |
- |
- |
47 |
287 |
570 |
902 |
Cooling degree days over 30 years |
days |
1140 |
- |
- |
- |
6 |
104 |
221 |
335 |
301 |
143 |
30 |
- |
- |
Average number of cloudy days over 49 years |
days |
174 |
19 |
17 |
18 |
15 |
14 |
11 |
11 |
10 |
11 |
12 |
17 |
19 |
Average number of partly cloudy days over 49 years |
days |
101 |
6 |
5 |
7 |
9 |
10 |
12 |
12 |
12 |
8 |
7 |
6 |
6 |
Average number of days below -12.5°C over 48 years |
days |
10 |
4 |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |