Average temperature over 48 years |
°C |
20 |
11 |
12 |
15 |
18 |
23 |
28 |
30 |
29 |
27 |
21 |
15 |
11 |
Average high temperature over 48 years |
°C |
27 |
17 |
20 |
22 |
27 |
32 |
37 |
37 |
36 |
34 |
28 |
22 |
18 |
Average low temperature over 48 years |
°C |
12 |
3 |
5 |
6 |
10 |
14 |
20 |
23 |
22 |
19 |
13 |
7 |
3 |
Highest recorded temperature over 48 years |
°C |
47 |
30 |
33 |
37 |
40 |
41 |
47 |
45 |
44 |
41 |
38 |
32 |
28 |
Lowest recorded temperature over 48 years |
°C |
-8 |
-8 |
-6 |
-6 |
0 |
3 |
8 |
15 |
16 |
6 |
-3 |
-4 |
-8 |
Average number of rainy days over 53 years |
days |
53 |
5 |
4 |
4 |
2 |
2 |
2 |
10 |
9 |
5 |
3 |
3 |
5 |
Average number of days above 27°C over 48 years |
days |
142 |
- |
- |
1 |
5 |
17 |
28 |
29 |
29 |
24 |
9 |
- |
- |
Average precipitation over 48 years |
cm |
29.7 |
2.5 |
1.8 |
1.8 |
0.8 |
0.5 |
0.5 |
5.8 |
5.8 |
3.6 |
2.3 |
1.5 |
2.5 |
Average dew point over 382 years |
°C |
2 |
-1 |
-2 |
-2 |
-2 |
-1 |
2 |
13 |
14 |
10 |
3 |
0 |
-1 |
Average number of days above 17°C over 48 years |
days |
281 |
9 |
13 |
21 |
27 |
31 |
30 |
31 |
31 |
30 |
29 |
20 |
11 |
Most recorded rainfall over 48 years |
cm |
55.6 |
12.2 |
7.4 |
5.8 |
4.3 |
2.8 |
3.8 |
15.7 |
20.1 |
13.0 |
12.7 |
4.8 |
12.7 |
Least recorded rainfall over 48 years |
cm |
13.5 |
- |
- |
- |
- |
- |
- |
- |
0.5 |
- |
- |
- |
- |
Average number of days with thunderstorms over 48 years |
days |
43 |
- |
- |
1 |
1 |
2 |
3 |
14 |
14 |
6 |
2 |
- |
- |
Average number of days with fog over 48 years |
days |
3 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average morning relative humidity over 48 years |
% |
52 |
63 |
59 |
53 |
42 |
35 |
32 |
57 |
65 |
55 |
52 |
55 |
62 |
Average evening relative humidity over 48 years |
% |
25 |
32 |
26 |
22 |
15 |
13 |
13 |
28 |
32 |
26 |
24 |
27 |
34 |
Average wind speed over 48 years |
km/h |
12.9 |
12.9 |
12.9 |
12.9 |
12.9 |
12.9 |
12.9 |
14.5 |
12.9 |
14.5 |
14.5 |
12.9 |
12.9 |
Average number of days below -1.5°C over 48 years |
days |
17 |
6 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
5 |
Average snowfall over 53 years |
cm |
3.3 |
0.8 |
0.5 |
0.8 |
0.3 |
- |
- |
- |
- |
- |
- |
0.3 |
0.8 |
Average number of clear days over 53 years |
days |
194 |
14 |
13 |
15 |
17 |
20 |
21 |
10 |
12 |
19 |
20 |
18 |
15 |
Heating degree days over 30 years |
days |
1678 |
425 |
302 |
229 |
97 |
7 |
- |
- |
- |
- |
27 |
188 |
403 |
Cooling degree days over 30 years |
days |
2954 |
- |
5 |
33 |
121 |
286 |
564 |
670 |
605 |
462 |
194 |
14 |
- |
Average possibility of sunshine over 46 years |
% |
85 |
80 |
82 |
86 |
92 |
93 |
93 |
78 |
80 |
87 |
88 |
85 |
79 |
Average number of cloudy days over 53 years |
days |
81 |
10 |
9 |
9 |
6 |
4 |
3 |
9 |
7 |
4 |
5 |
6 |
10 |
Average number of partly cloudy days over 53 years |
days |
90 |
7 |
6 |
7 |
7 |
7 |
6 |
12 |
12 |
7 |
6 |
6 |
6 |