Average temperature over 48 years |
°C |
20 |
11 |
12 |
16 |
19 |
23 |
26 |
27 |
27 |
25 |
20 |
15 |
12 |
Average high temperature over 48 years |
°C |
26 |
17 |
19 |
22 |
26 |
30 |
32 |
32 |
32 |
31 |
27 |
22 |
18 |
Average low temperature over 48 years |
°C |
13 |
4 |
5 |
8 |
11 |
16 |
20 |
21 |
22 |
20 |
13 |
8 |
5 |
Highest recorded temperature over 48 years |
°C |
39 |
28 |
31 |
32 |
35 |
38 |
39 |
39 |
39 |
37 |
34 |
31 |
28 |
Lowest recorded temperature over 48 years |
°C |
-14 |
-14 |
-10 |
-6 |
-1 |
1 |
7 |
13 |
14 |
4 |
-1 |
-10 |
-12 |
Average number of rainy days over 32 years |
days |
115 |
10 |
9 |
9 |
7 |
9 |
12 |
16 |
15 |
9 |
5 |
7 |
8 |
Average number of days above 27°C over 48 years |
days |
87 |
- |
- |
- |
1 |
8 |
19 |
22 |
21 |
14 |
2 |
- |
- |
Average precipitation over 48 years |
cm |
161.3 |
11.9 |
12.4 |
15.7 |
10.2 |
11.7 |
17.8 |
21.8 |
17.8 |
14.0 |
8.1 |
8.9 |
10.9 |
Average dew point over 48 years |
°C |
13 |
5 |
6 |
9 |
12 |
16 |
20 |
22 |
22 |
20 |
14 |
9 |
6 |
Most recorded rainfall over 48 years |
cm |
264.2 |
48.0 |
29.2 |
41.9 |
33.3 |
29.7 |
44.2 |
51.1 |
39.9 |
51.6 |
31.2 |
26.4 |
32.0 |
Least recorded rainfall over 48 years |
cm |
78.7 |
0.5 |
2.0 |
2.5 |
0.8 |
- |
5.3 |
5.8 |
6.1 |
0.3 |
- |
1.0 |
2.3 |
Average number of days with thunderstorms over 48 years |
days |
83 |
2 |
2 |
4 |
4 |
8 |
14 |
19 |
16 |
8 |
2 |
2 |
2 |
Average number of days with fog over 48 years |
days |
208 |
17 |
16 |
18 |
17 |
19 |
18 |
17 |
19 |
18 |
16 |
16 |
17 |
Average morning relative humidity over 48 years |
% |
90 |
87 |
87 |
88 |
89 |
89 |
91 |
93 |
94 |
92 |
90 |
89 |
87 |
Average evening relative humidity over 48 years |
% |
55 |
54 |
51 |
49 |
46 |
50 |
58 |
66 |
64 |
60 |
51 |
52 |
55 |
Average wind speed over 48 years |
km/h |
12.9 |
12.9 |
14.5 |
16.1 |
16.1 |
14.5 |
12.9 |
9.7 |
8.0 |
12.9 |
9.7 |
12.9 |
12.9 |
Average number of days below -1.5°C over 48 years |
days |
30 |
9 |
6 |
2 |
- |
- |
- |
- |
- |
- |
- |
4 |
8 |
Average number of clear days over 32 years |
days |
102 |
9 |
8 |
9 |
11 |
9 |
6 |
4 |
5 |
8 |
14 |
11 |
9 |
Heating degree days over 30 years |
days |
1705 |
471 |
344 |
191 |
59 |
- |
- |
- |
- |
- |
48 |
203 |
389 |
Cooling degree days over 30 years |
days |
2518 |
21 |
13 |
42 |
98 |
267 |
438 |
505 |
505 |
399 |
163 |
44 |
23 |
Average number of cloudy days over 32 years |
days |
134 |
15 |
13 |
13 |
9 |
9 |
9 |
10 |
10 |
10 |
9 |
11 |
14 |
Average number of partly cloudy days over 32 years |
days |
129 |
7 |
7 |
9 |
10 |
13 |
15 |
17 |
16 |
12 |
8 |
8 |
8 |
Average number of days above 22°C over 48 years |
days |
200 |
1 |
1 |
8 |
18 |
28 |
29 |
31 |
31 |
28 |
19 |
6 |
1 |
Average number of days below 4.5°C over 48 years |
days |
97 |
21 |
17 |
13 |
7 |
1 |
- |
- |
- |
- |
5 |
14 |
20 |