Average temperature over 30 years |
°C |
13 |
2 |
3 |
8 |
13 |
17 |
21 |
23 |
22 |
19 |
13 |
8 |
4 |
Average high temperature over 30 years |
°C |
18 |
7 |
9 |
14 |
19 |
23 |
27 |
28 |
28 |
24 |
19 |
14 |
9 |
Average low temperature over 30 years |
°C |
7 |
-3 |
-1 |
2 |
7 |
11 |
15 |
17 |
17 |
13 |
7 |
3 |
-1 |
Highest recorded temperature over 23 years |
°C |
36 |
24 |
25 |
28 |
31 |
32 |
36 |
36 |
36 |
35 |
31 |
28 |
27 |
Lowest recorded temperature over 23 years |
°C |
-21 |
-21 |
-19 |
-15 |
-4 |
0 |
3 |
9 |
8 |
0 |
-5 |
-17 |
-21 |
Average number of rainy days over 29 years |
days |
125 |
10 |
9 |
11 |
9 |
12 |
11 |
12 |
13 |
10 |
8 |
9 |
10 |
Average number of days above 27°C over 23 years |
days |
11 |
- |
- |
- |
- |
- |
3 |
4 |
3 |
1 |
- |
- |
- |
Average precipitation over 30 years |
cm |
96.5 |
6.3 |
8.4 |
9.9 |
7.9 |
9.1 |
8.4 |
7.4 |
9.7 |
8.1 |
7.1 |
7.4 |
7.1 |
Most recorded rainfall over 23 years |
cm |
126.7 |
16.0 |
13.2 |
19.6 |
17.3 |
18.5 |
17.8 |
17.0 |
22.6 |
21.1 |
21.6 |
18.0 |
12.2 |
Least recorded rainfall over 23 years |
cm |
77.5 |
2.5 |
0.3 |
4.1 |
3.3 |
1.5 |
2.0 |
2.5 |
2.5 |
2.0 |
- |
1.8 |
0.3 |
Average number of days with thunderstorms over 17 years |
days |
45 |
- |
1 |
2 |
4 |
6 |
8 |
11 |
9 |
3 |
1 |
- |
- |
Average number of days with fog over 17 years |
days |
159 |
9 |
8 |
9 |
8 |
13 |
17 |
20 |
23 |
19 |
16 |
9 |
8 |
Average morning relative humidity over 29 years |
% |
90 |
85 |
83 |
85 |
85 |
92 |
94 |
95 |
97 |
97 |
94 |
88 |
85 |
Average evening relative humidity over 29 years |
% |
58 |
59 |
55 |
53 |
50 |
57 |
59 |
62 |
63 |
63 |
56 |
57 |
59 |
Average wind speed over 29 years |
km/h |
12.2 |
15.3 |
15.3 |
15.1 |
14.2 |
11.4 |
9.8 |
9.5 |
8.7 |
9.2 |
10.8 |
13.2 |
14.3 |
Average snowfall over 29 years |
cm |
39.6 |
11.7 |
11.7 |
7.6 |
1.8 |
- |
- |
- |
- |
- |
- |
1.8 |
5.1 |
Average number of clear days over 29 years |
days |
101 |
9 |
9 |
9 |
10 |
7 |
6 |
5 |
5 |
7 |
12 |
11 |
10 |
Heating degree days over 30 years |
days |
4246 |
908 |
731 |
546 |
288 |
112 |
8 |
- |
- |
45 |
289 |
525 |
794 |
Cooling degree days over 30 years |
days |
859 |
- |
- |
- |
6 |
62 |
167 |
270 |
242 |
96 |
16 |
- |
- |
Average possibility of sunshine over 29 years |
% |
59 |
55 |
59 |
60 |
65 |
61 |
63 |
60 |
54 |
56 |
61 |
58 |
55 |
Average number of cloudy days over 29 years |
days |
151 |
14 |
13 |
14 |
12 |
14 |
12 |
12 |
12 |
12 |
11 |
12 |
14 |
Average number of partly cloudy days over 29 years |
days |
113 |
8 |
6 |
8 |
8 |
10 |
12 |
14 |
14 |
11 |
8 |
7 |
7 |
Average number of days below 4.5°C over 23 years |
days |
173 |
29 |
26 |
26 |
15 |
5 |
- |
- |
- |
2 |
15 |
25 |
29 |
Average number of days above 19.5°C over 23 years |
days |
144 |
- |
- |
2 |
8 |
20 |
26 |
30 |
29 |
20 |
9 |
1 |
- |