Average temperature over 41 years |
°C |
16 |
5 |
7 |
11 |
16 |
21 |
25 |
26 |
26 |
22 |
16 |
11 |
7 |
Average high temperature over 41 years |
°C |
22 |
11 |
13 |
17 |
23 |
27 |
30 |
32 |
31 |
28 |
22 |
17 |
12 |
Average low temperature over 41 years |
°C |
10 |
0 |
1 |
5 |
10 |
14 |
18 |
20 |
20 |
17 |
10 |
5 |
1 |
Highest recorded temperature over 41 years |
°C |
41 |
26 |
27 |
31 |
33 |
36 |
39 |
40 |
41 |
37 |
33 |
30 |
26 |
Lowest recorded temperature over 41 years |
°C |
-20 |
-20 |
-15 |
-11 |
-3 |
2 |
7 |
12 |
12 |
2 |
-2 |
-9 |
-16 |
Average number of rainy days over 50 years |
days |
110 |
11 |
9 |
11 |
8 |
9 |
9 |
11 |
9 |
8 |
7 |
8 |
10 |
Average number of days above 27°C over 41 years |
days |
49 |
- |
- |
- |
- |
3 |
11 |
17 |
14 |
5 |
- |
- |
- |
Average precipitation over 41 years |
cm |
127.5 |
11.7 |
11.4 |
14.0 |
9.7 |
10.9 |
10.4 |
12.7 |
9.7 |
9.1 |
8.6 |
9.4 |
9.7 |
Average dew point over 40 years |
°C |
10 |
0 |
0 |
3 |
8 |
13 |
18 |
20 |
20 |
17 |
10 |
5 |
1 |
Average number of days above 17°C over 41 years |
days |
219 |
1 |
3 |
11 |
21 |
29 |
30 |
31 |
31 |
28 |
22 |
10 |
3 |
Most recorded rainfall over 41 years |
cm |
181.4 |
24.1 |
23.4 |
27.7 |
24.1 |
28.7 |
33.8 |
26.7 |
18.8 |
26.2 |
19.6 |
23.4 |
21.3 |
Least recorded rainfall over 41 years |
cm |
82.3 |
1.5 |
2.0 |
2.8 |
1.8 |
1.0 |
2.3 |
3.6 |
1.3 |
1.5 |
- |
2.5 |
2.0 |
Average number of days with thunderstorms over 41 years |
days |
50 |
1 |
1 |
3 |
4 |
6 |
9 |
12 |
8 |
3 |
1 |
1 |
1 |
Average number of days with fog over 41 years |
days |
187 |
15 |
12 |
13 |
11 |
16 |
16 |
19 |
22 |
20 |
16 |
13 |
14 |
Average morning relative humidity over 40 years |
% |
85 |
80 |
79 |
80 |
82 |
86 |
87 |
90 |
92 |
92 |
89 |
85 |
81 |
Average evening relative humidity over 40 years |
% |
52 |
54 |
50 |
48 |
45 |
51 |
53 |
57 |
57 |
57 |
52 |
51 |
54 |
Average wind speed over 40 years |
km/h |
14.5 |
16.1 |
16.1 |
16.1 |
16.1 |
12.9 |
9.7 |
9.7 |
9.7 |
12.9 |
12.9 |
14.5 |
16.1 |
Average number of days below -1.5°C over 41 years |
days |
53 |
16 |
12 |
5 |
- |
- |
- |
- |
- |
- |
- |
5 |
13 |
Average snowfall over 50 years |
cm |
6.1 |
2.3 |
1.8 |
1.3 |
- |
- |
- |
- |
- |
- |
- |
0.3 |
0.5 |
Average number of clear days over 50 years |
days |
113 |
9 |
9 |
9 |
10 |
9 |
8 |
7 |
8 |
10 |
14 |
12 |
10 |
Heating degree days over 30 years |
days |
2893 |
719 |
546 |
359 |
131 |
27 |
- |
- |
- |
- |
140 |
354 |
617 |
Cooling degree days over 30 years |
days |
1709 |
- |
- |
6 |
29 |
161 |
342 |
453 |
419 |
240 |
53 |
6 |
- |
Average number of cloudy days over 50 years |
days |
147 |
15 |
13 |
15 |
11 |
12 |
10 |
11 |
10 |
11 |
10 |
12 |
15 |
Average number of partly cloudy days over 50 years |
days |
106 |
7 |
6 |
7 |
9 |
10 |
12 |
13 |
13 |
9 |
7 |
6 |
6 |
Average number of days below -12.5°C over 41 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |