Average temperature over 87 years |
°C |
13 |
-1 |
1 |
6 |
13 |
18 |
23 |
26 |
26 |
21 |
15 |
7 |
1 |
Average high temperature over 87 years |
°C |
18 |
3 |
6 |
12 |
18 |
23 |
28 |
32 |
31 |
26 |
20 |
12 |
5 |
Average low temperature over 87 years |
°C |
8 |
-6 |
-3 |
1 |
7 |
13 |
18 |
21 |
20 |
16 |
9 |
2 |
-3 |
Highest recorded temperature over 87 years |
°C |
45 |
23 |
27 |
32 |
35 |
39 |
42 |
44 |
45 |
42 |
36 |
28 |
23 |
Lowest recorded temperature over 87 years |
°C |
-29 |
-28 |
-29 |
-19 |
-8 |
-2 |
6 |
11 |
8 |
1 |
-8 |
-15 |
-28 |
Average number of rainy days over 21 years |
days |
106 |
7 |
7 |
10 |
11 |
11 |
10 |
9 |
9 |
9 |
8 |
8 |
8 |
Average number of days above 27°C over 87 years |
days |
45 |
- |
- |
- |
- |
1 |
8 |
16 |
14 |
5 |
- |
- |
- |
Average precipitation over 87 years |
cm |
91.4 |
3.3 |
3.3 |
6.3 |
8.4 |
11.4 |
12.2 |
9.4 |
9.9 |
10.9 |
7.6 |
4.8 |
3.8 |
Average dew point over 38 years |
°C |
6 |
-7 |
-5 |
-1 |
5 |
11 |
16 |
18 |
17 |
13 |
6 |
0 |
-4 |
Average number of days above 17°C over 87 years |
days |
175 |
- |
1 |
5 |
12 |
23 |
29 |
31 |
31 |
26 |
16 |
3 |
- |
Most recorded rainfall over 87 years |
cm |
153.2 |
14.0 |
17.3 |
17.0 |
26.9 |
27.9 |
27.9 |
29.0 |
29.5 |
41.1 |
30.2 |
24.1 |
10.4 |
Least recorded rainfall over 87 years |
cm |
48.8 |
- |
- |
0.3 |
1.3 |
1.8 |
0.8 |
1.0 |
0.8 |
0.5 |
0.5 |
- |
- |
Average number of days with thunderstorms over 75 years |
days |
52 |
- |
1 |
3 |
5 |
8 |
9 |
8 |
8 |
6 |
3 |
1 |
- |
Average number of days with fog over 75 years |
days |
71 |
8 |
7 |
6 |
5 |
6 |
4 |
4 |
4 |
6 |
7 |
6 |
8 |
Average morning relative humidity over 38 years |
% |
76 |
74 |
74 |
73 |
73 |
77 |
79 |
78 |
79 |
80 |
75 |
74 |
75 |
Average evening relative humidity over 38 years |
% |
51 |
57 |
55 |
49 |
47 |
49 |
51 |
49 |
49 |
48 |
46 |
51 |
57 |
Average wind speed over 38 years |
km/h |
17.7 |
16.1 |
16.1 |
19.3 |
20.9 |
19.3 |
17.7 |
17.7 |
16.1 |
17.7 |
17.7 |
17.7 |
16.1 |
Average number of days below -1.5°C over 87 years |
days |
97 |
26 |
21 |
14 |
2 |
- |
- |
- |
- |
- |
1 |
11 |
23 |
Average snowfall over 59 years |
cm |
51.3 |
14.7 |
11.4 |
9.1 |
2.0 |
- |
- |
- |
- |
- |
- |
2.8 |
11.2 |
Average number of clear days over 21 years |
days |
121 |
10 |
8 |
7 |
9 |
8 |
10 |
13 |
13 |
12 |
13 |
9 |
10 |
Heating degree days over 30 years |
days |
5393 |
1218 |
946 |
691 |
325 |
135 |
7 |
- |
6 |
56 |
279 |
657 |
1073 |
Cooling degree days over 30 years |
days |
1288 |
- |
- |
- |
10 |
107 |
253 |
419 |
350 |
131 |
18 |
- |
- |
Average possibility of sunshine over 21 years |
% |
61 |
59 |
55 |
58 |
63 |
62 |
67 |
72 |
67 |
66 |
61 |
49 |
50 |
Average number of cloudy days over 21 years |
days |
149 |
15 |
14 |
16 |
14 |
14 |
10 |
8 |
8 |
10 |
11 |
14 |
15 |
Average number of partly cloudy days over 21 years |
days |
96 |
6 |
6 |
8 |
7 |
9 |
10 |
10 |
10 |
8 |
7 |
7 |
6 |
Average number of days below -12.5°C over 87 years |
days |
14 |
6 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
3 |