Average temperature over 48 years |
°C |
18 |
8 |
10 |
13 |
18 |
22 |
26 |
27 |
27 |
24 |
18 |
13 |
9 |
Average high temperature over 48 years |
°C |
24 |
13 |
16 |
20 |
25 |
28 |
32 |
32 |
32 |
30 |
25 |
19 |
15 |
Average low temperature over 48 years |
°C |
12 |
2 |
3 |
7 |
11 |
16 |
20 |
21 |
21 |
18 |
12 |
6 |
3 |
Highest recorded temperature over 48 years |
°C |
40 |
28 |
28 |
31 |
33 |
36 |
40 |
40 |
39 |
37 |
35 |
30 |
27 |
Lowest recorded temperature over 48 years |
°C |
-18 |
-18 |
-11 |
-8 |
-2 |
3 |
6 |
15 |
13 |
3 |
-4 |
-12 |
-15 |
Average number of rainy days over 48 years |
days |
110 |
10 |
10 |
10 |
8 |
8 |
9 |
13 |
10 |
8 |
5 |
8 |
10 |
Average number of days above 27°C over 48 years |
days |
76 |
- |
- |
- |
- |
6 |
17 |
21 |
21 |
10 |
1 |
- |
- |
Average precipitation over 48 years |
cm |
127.8 |
10.9 |
11.9 |
14.7 |
10.7 |
10.2 |
9.7 |
14.5 |
10.2 |
8.1 |
5.8 |
9.1 |
11.9 |
Average dew point over 43 years |
°C |
11 |
2 |
3 |
6 |
10 |
15 |
18 |
21 |
21 |
18 |
12 |
7 |
3 |
Average number of days above 17°C over 48 years |
days |
248 |
4 |
7 |
15 |
25 |
30 |
30 |
31 |
31 |
29 |
26 |
14 |
5 |
Most recorded rainfall over 48 years |
cm |
185.9 |
21.1 |
23.9 |
31.8 |
29.7 |
21.3 |
27.4 |
33.5 |
25.7 |
17.5 |
21.3 |
31.5 |
23.9 |
Least recorded rainfall over 48 years |
cm |
76.7 |
1.8 |
2.5 |
3.6 |
0.3 |
0.5 |
1.8 |
4.3 |
2.0 |
0.5 |
- |
0.8 |
1.0 |
Average number of days with thunderstorms over 39 years |
days |
54 |
1 |
2 |
4 |
4 |
6 |
8 |
13 |
9 |
4 |
1 |
1 |
1 |
Average number of days with fog over 39 years |
days |
181 |
15 |
13 |
14 |
12 |
15 |
15 |
19 |
19 |
16 |
14 |
14 |
15 |
Average morning relative humidity over 48 years |
% |
87 |
84 |
83 |
85 |
86 |
86 |
86 |
90 |
91 |
90 |
89 |
87 |
85 |
Average evening relative humidity over 48 years |
% |
51 |
54 |
50 |
46 |
43 |
48 |
51 |
57 |
55 |
54 |
49 |
50 |
54 |
Average wind speed over 43 years |
km/h |
14.5 |
16.1 |
16.1 |
16.1 |
16.1 |
12.9 |
12.9 |
12.9 |
9.7 |
14.5 |
14.5 |
12.9 |
14.5 |
Average number of days below -1.5°C over 48 years |
days |
42 |
13 |
9 |
4 |
- |
- |
- |
- |
- |
- |
- |
5 |
11 |
Average snowfall over 48 years |
cm |
1.3 |
0.3 |
0.8 |
0.3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of clear days over 48 years |
days |
110 |
8 |
8 |
9 |
10 |
9 |
8 |
6 |
8 |
10 |
14 |
12 |
9 |
Heating degree days over 30 years |
days |
2261 |
607 |
440 |
260 |
76 |
7 |
- |
- |
- |
- |
86 |
268 |
517 |
Cooling degree days over 30 years |
days |
2284 |
9 |
- |
18 |
70 |
234 |
435 |
524 |
508 |
342 |
117 |
19 |
8 |
Average number of cloudy days over 48 years |
days |
151 |
17 |
14 |
15 |
11 |
12 |
10 |
12 |
10 |
11 |
10 |
12 |
16 |
Average number of partly cloudy days over 48 years |
days |
104 |
6 |
6 |
7 |
9 |
10 |
12 |
13 |
13 |
9 |
7 |
6 |
6 |