Average temperature over 48 years |
°C |
19 |
8 |
10 |
14 |
19 |
23 |
27 |
30 |
30 |
26 |
20 |
13 |
9 |
Average high temperature over 48 years |
°C |
25 |
13 |
16 |
21 |
25 |
29 |
33 |
35 |
36 |
32 |
26 |
20 |
15 |
Average low temperature over 48 years |
°C |
13 |
2 |
4 |
8 |
13 |
17 |
21 |
23 |
23 |
20 |
13 |
7 |
3 |
Highest recorded temperature over 48 years |
°C |
44 |
31 |
33 |
37 |
38 |
38 |
42 |
42 |
44 |
41 |
38 |
33 |
32 |
Lowest recorded temperature over 48 years |
°C |
-20 |
-20 |
-15 |
-9 |
-2 |
2 |
11 |
15 |
11 |
4 |
-3 |
-8 |
-20 |
Average number of rainy days over 50 years |
days |
79 |
7 |
7 |
7 |
7 |
9 |
7 |
4 |
5 |
6 |
6 |
6 |
6 |
Average number of days above 27°C over 48 years |
days |
111 |
- |
- |
- |
1 |
7 |
23 |
29 |
28 |
18 |
4 |
- |
- |
Average precipitation over 48 years |
cm |
80.3 |
4.3 |
5.6 |
5.8 |
8.4 |
11.9 |
7.4 |
4.8 |
4.6 |
8.1 |
8.1 |
5.8 |
5.3 |
Average dew point over 48 years |
°C |
12 |
2 |
3 |
7 |
12 |
17 |
20 |
20 |
20 |
17 |
12 |
7 |
3 |
Average number of days above 17°C over 48 years |
days |
259 |
6 |
8 |
17 |
25 |
30 |
30 |
31 |
31 |
30 |
27 |
15 |
7 |
Most recorded rainfall over 48 years |
cm |
124.2 |
14.7 |
16.0 |
14.2 |
34.0 |
38.1 |
30.7 |
21.8 |
22.6 |
18.5 |
26.7 |
15.7 |
21.3 |
Least recorded rainfall over 48 years |
cm |
37.8 |
- |
0.5 |
- |
0.3 |
1.5 |
0.8 |
- |
- |
- |
- |
0.3 |
- |
Average number of days with thunderstorms over 48 years |
days |
45 |
1 |
2 |
4 |
6 |
8 |
6 |
4 |
4 |
4 |
3 |
2 |
1 |
Average number of days with fog over 48 years |
days |
109 |
12 |
11 |
11 |
11 |
11 |
5 |
3 |
4 |
8 |
10 |
11 |
12 |
Average morning relative humidity over 48 years |
% |
83 |
83 |
83 |
81 |
84 |
88 |
86 |
83 |
82 |
85 |
84 |
83 |
82 |
Average evening relative humidity over 48 years |
% |
49 |
56 |
53 |
49 |
52 |
54 |
49 |
42 |
40 |
46 |
47 |
50 |
54 |
Average wind speed over 47 years |
km/h |
19.3 |
19.3 |
19.3 |
22.5 |
22.5 |
20.9 |
20.9 |
19.3 |
17.7 |
19.3 |
17.7 |
19.3 |
19.3 |
Average number of days below -1.5°C over 48 years |
days |
33 |
12 |
7 |
2 |
- |
- |
- |
- |
- |
- |
- |
3 |
9 |
Average snowfall over 50 years |
cm |
3.6 |
2.0 |
0.8 |
0.3 |
- |
- |
- |
- |
- |
- |
- |
0.3 |
0.3 |
Average number of clear days over 50 years |
days |
130 |
9 |
8 |
10 |
9 |
8 |
10 |
14 |
14 |
12 |
13 |
12 |
10 |
Heating degree days over 30 years |
days |
2179 |
620 |
441 |
247 |
66 |
- |
- |
- |
- |
- |
38 |
243 |
524 |
Cooling degree days over 30 years |
days |
2816 |
6 |
- |
36 |
129 |
288 |
495 |
639 |
639 |
408 |
146 |
24 |
6 |
Average number of cloudy days over 50 years |
days |
136 |
16 |
14 |
14 |
14 |
13 |
8 |
7 |
6 |
9 |
10 |
12 |
15 |
Average number of partly cloudy days over 50 years |
days |
98 |
6 |
6 |
7 |
7 |
10 |
12 |
10 |
11 |
9 |
8 |
6 |
6 |