Average temperature over 51 years |
°C |
11 |
0 |
0 |
5 |
10 |
16 |
21 |
23 |
22 |
18 |
12 |
6 |
1 |
Average high temperature over 51 years |
°C |
16 |
3 |
5 |
10 |
16 |
21 |
26 |
30 |
27 |
25 |
18 |
11 |
5 |
Average low temperature over 51 years |
°C |
5 |
-4 |
-3 |
0 |
5 |
10 |
15 |
18 |
17 |
13 |
6 |
1 |
-2 |
Highest recorded temperature over 48 years |
°C |
38 |
23 |
25 |
30 |
34 |
35 |
37 |
38 |
38 |
37 |
32 |
29 |
23 |
Lowest recorded temperature over 48 years |
°C |
-25 |
-25 |
-21 |
-16 |
-7 |
-1 |
5 |
8 |
6 |
2 |
-4 |
-10 |
-21 |
Average number of rainy days over 46 years |
days |
116 |
11 |
9 |
11 |
11 |
11 |
10 |
9 |
9 |
8 |
8 |
9 |
10 |
Average number of days above 27°C over 48 years |
days |
20 |
- |
- |
- |
- |
1 |
4 |
8 |
5 |
2 |
- |
- |
- |
Average precipitation over 51 years |
cm |
104.4 |
7.9 |
7.4 |
9.7 |
8.4 |
9.4 |
8.6 |
10.4 |
9.7 |
9.1 |
7.1 |
8.4 |
8.6 |
Average dew point over 48 years |
°C |
6 |
-5 |
-5 |
-1 |
3 |
10 |
15 |
18 |
17 |
14 |
7 |
2 |
-3 |
Average number of days above 17°C over 48 years |
days |
160 |
- |
- |
2 |
8 |
20 |
28 |
31 |
31 |
25 |
12 |
2 |
- |
Most recorded rainfall over 48 years |
cm |
138.9 |
21.3 |
17.8 |
19.1 |
17.3 |
18.8 |
19.1 |
32.0 |
30.7 |
24.1 |
20.3 |
19.8 |
20.1 |
Least recorded rainfall over 48 years |
cm |
63.2 |
1.3 |
2.0 |
2.0 |
0.8 |
0.5 |
0.5 |
0.5 |
0.8 |
2.0 |
0.5 |
1.3 |
0.5 |
Average number of days with thunderstorms over 48 years |
days |
29 |
- |
- |
1 |
2 |
4 |
6 |
6 |
6 |
2 |
1 |
1 |
- |
Average number of days with fog over 48 years |
days |
168 |
12 |
11 |
13 |
12 |
15 |
15 |
16 |
17 |
16 |
15 |
13 |
13 |
Average morning relative humidity over 48 years |
% |
78 |
75 |
74 |
74 |
73 |
76 |
78 |
80 |
83 |
85 |
84 |
80 |
76 |
Average evening relative humidity over 48 years |
% |
55 |
60 |
56 |
52 |
50 |
53 |
54 |
55 |
57 |
56 |
55 |
58 |
61 |
Average wind speed over 48 years |
km/h |
16.1 |
19.3 |
19.3 |
20.9 |
17.7 |
16.1 |
14.5 |
14.5 |
14.5 |
12.9 |
14.5 |
17.7 |
17.7 |
Average number of days below -1.5°C over 48 years |
days |
99 |
25 |
22 |
15 |
3 |
- |
- |
- |
- |
- |
2 |
10 |
22 |
Average snowfall over 46 years |
cm |
51.8 |
16.8 |
15.2 |
8.4 |
0.5 |
- |
- |
- |
- |
- |
0.3 |
2.3 |
8.4 |
Average number of clear days over 46 years |
days |
97 |
7 |
7 |
8 |
7 |
7 |
8 |
8 |
9 |
10 |
11 |
8 |
8 |
Heating degree days over 30 years |
days |
4937 |
1066 |
885 |
691 |
384 |
122 |
- |
- |
- |
35 |
288 |
561 |
905 |
Cooling degree days over 30 years |
days |
1046 |
- |
- |
- |
- |
44 |
199 |
353 |
310 |
125 |
15 |
- |
- |
Average number of cloudy days over 46 years |
days |
164 |
17 |
14 |
15 |
15 |
14 |
11 |
12 |
12 |
12 |
12 |
14 |
16 |
Average number of partly cloudy days over 46 years |
days |
104 |
7 |
7 |
8 |
8 |
10 |
11 |
11 |
10 |
8 |
8 |
8 |
7 |
Average number of days below -12.5°C over 48 years |
days |
6 |
3 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |