Average temperature over 48 years |
°C |
15 |
2 |
5 |
10 |
15 |
20 |
25 |
27 |
27 |
22 |
16 |
9 |
4 |
Average high temperature over 48 years |
°C |
21 |
8 |
11 |
16 |
22 |
26 |
30 |
33 |
33 |
28 |
23 |
15 |
10 |
Average low temperature over 48 years |
°C |
9 |
-3 |
-1 |
3 |
9 |
14 |
18 |
21 |
21 |
16 |
10 |
3 |
-1 |
Highest recorded temperature over 48 years |
°C |
43 |
26 |
28 |
33 |
37 |
40 |
40 |
42 |
43 |
40 |
35 |
30 |
30 |
Lowest recorded temperature over 48 years |
°C |
-22 |
-20 |
-19 |
-17 |
-6 |
0 |
8 |
11 |
10 |
2 |
-8 |
-11 |
-22 |
Average number of rainy days over 54 years |
days |
83 |
6 |
6 |
7 |
8 |
10 |
9 |
6 |
7 |
7 |
6 |
5 |
6 |
Average precipitation over 48 years |
cm |
84.6 |
3.0 |
3.8 |
6.3 |
7.1 |
14.5 |
10.9 |
7.1 |
6.6 |
9.4 |
7.6 |
4.6 |
3.8 |
Average dew point over 48 years |
°C |
7 |
-3 |
-1 |
1 |
7 |
13 |
17 |
18 |
18 |
15 |
8 |
2 |
-2 |
Average number of days above 17°C over 48 years |
days |
206 |
1 |
3 |
9 |
18 |
27 |
30 |
31 |
31 |
28 |
21 |
7 |
1 |
Most recorded rainfall over 48 years |
cm |
118.1 |
14.5 |
11.7 |
19.8 |
18.5 |
30.7 |
37.3 |
21.3 |
17.3 |
30.0 |
33.5 |
14.5 |
20.6 |
Least recorded rainfall over 48 years |
cm |
45.2 |
- |
- |
0.3 |
0.5 |
2.3 |
1.5 |
- |
0.8 |
- |
- |
- |
- |
Average number of days with thunderstorms over 48 years |
days |
50 |
1 |
1 |
3 |
5 |
9 |
9 |
6 |
6 |
5 |
3 |
1 |
1 |
Average number of days with fog over 48 years |
days |
95 |
11 |
10 |
10 |
8 |
9 |
5 |
4 |
5 |
8 |
7 |
8 |
10 |
Average morning relative humidity over 48 years |
% |
80 |
79 |
78 |
76 |
78 |
84 |
85 |
82 |
81 |
83 |
79 |
78 |
78 |
Average evening relative humidity over 48 years |
% |
49 |
53 |
52 |
47 |
46 |
53 |
52 |
45 |
44 |
48 |
46 |
48 |
52 |
Average wind speed over 48 years |
km/h |
20.9 |
22.5 |
22.5 |
22.5 |
22.5 |
20.9 |
19.3 |
16.1 |
16.1 |
17.7 |
19.3 |
20.9 |
20.9 |
Average number of days above 12°C over 48 years |
days |
263 |
6 |
10 |
18 |
26 |
30 |
30 |
31 |
31 |
30 |
28 |
16 |
7 |
Average number of days below -1.5°C over 48 years |
days |
79 |
23 |
16 |
9 |
1 |
- |
- |
- |
- |
- |
1 |
9 |
20 |
Average snowfall over 54 years |
cm |
23.1 |
7.6 |
6.1 |
3.6 |
- |
- |
- |
- |
- |
- |
- |
1.3 |
4.6 |
Average number of clear days over 44 years |
days |
139 |
11 |
9 |
10 |
9 |
9 |
10 |
15 |
14 |
13 |
14 |
12 |
12 |
Heating degree days over 30 years |
days |
3659 |
902 |
675 |
464 |
176 |
31 |
- |
- |
- |
15 |
137 |
462 |
797 |
Cooling degree days over 30 years |
days |
1859 |
- |
- |
9 |
38 |
136 |
351 |
527 |
499 |
255 |
44 |
- |
- |
Average possibility of sunshine over 39 years |
% |
68 |
60 |
60 |
65 |
67 |
67 |
75 |
79 |
79 |
73 |
70 |
61 |
59 |
Average number of cloudy days over 44 years |
days |
130 |
14 |
12 |
13 |
13 |
12 |
9 |
7 |
7 |
9 |
10 |
11 |
13 |
Average number of partly cloudy days over 44 years |
days |
96 |
6 |
7 |
8 |
8 |
10 |
11 |
9 |
10 |
8 |
7 |
7 |
6 |
Average number of days below -12.5°C over 48 years |
days |
5 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |