Average temperature over 37 years |
°C |
16 |
3 |
6 |
11 |
16 |
20 |
24 |
26 |
26 |
22 |
16 |
10 |
6 |
Average high temperature over 37 years |
°C |
21 |
9 |
12 |
17 |
22 |
26 |
30 |
32 |
31 |
28 |
22 |
16 |
11 |
Average low temperature over 37 years |
°C |
10 |
-1 |
0 |
5 |
9 |
14 |
18 |
20 |
20 |
16 |
10 |
4 |
0 |
Highest recorded temperature over 37 years |
°C |
40 |
24 |
27 |
31 |
33 |
35 |
38 |
40 |
39 |
38 |
32 |
28 |
25 |
Lowest recorded temperature over 37 years |
°C |
-23 |
-23 |
-15 |
-14 |
-3 |
2 |
7 |
11 |
11 |
2 |
-2 |
-9 |
-19 |
Average number of rainy days over 26 years |
days |
117 |
11 |
10 |
12 |
10 |
11 |
9 |
10 |
9 |
9 |
7 |
10 |
11 |
Average number of days above 27°C over 37 years |
days |
49 |
- |
- |
- |
- |
2 |
10 |
17 |
15 |
6 |
- |
- |
- |
Average precipitation over 37 years |
cm |
144.3 |
12.7 |
12.7 |
16.8 |
12.2 |
13.0 |
10.9 |
11.7 |
8.9 |
10.4 |
8.4 |
11.9 |
14.5 |
Average dew point over 23 years |
°C |
10 |
-1 |
0 |
3 |
8 |
13 |
18 |
20 |
20 |
16 |
10 |
5 |
0 |
Average number of days above 17°C over 37 years |
days |
212 |
1 |
2 |
9 |
20 |
28 |
30 |
31 |
31 |
29 |
21 |
8 |
1 |
Most recorded rainfall over 37 years |
cm |
186.9 |
27.7 |
25.7 |
43.2 |
31.8 |
30.2 |
38.1 |
37.6 |
24.9 |
24.9 |
30.7 |
29.2 |
47.5 |
Least recorded rainfall over 37 years |
cm |
106.2 |
3.3 |
1.5 |
4.1 |
1.0 |
3.8 |
0.5 |
2.0 |
1.8 |
1.3 |
- |
1.5 |
2.0 |
Average number of days with thunderstorms over 37 years |
days |
54 |
1 |
2 |
4 |
5 |
7 |
8 |
10 |
8 |
4 |
2 |
2 |
1 |
Average number of days with fog over 37 years |
days |
154 |
13 |
11 |
11 |
8 |
12 |
13 |
16 |
17 |
15 |
13 |
12 |
13 |
Average morning relative humidity over 23 years |
% |
82 |
82 |
81 |
79 |
78 |
79 |
81 |
84 |
86 |
85 |
86 |
84 |
81 |
Average evening relative humidity over 23 years |
% |
54 |
60 |
56 |
51 |
46 |
51 |
53 |
56 |
55 |
54 |
51 |
55 |
60 |
Average wind speed over 28 years |
km/h |
14.5 |
14.5 |
14.5 |
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 37 years |
days |
66 |
19 |
14 |
7 |
1 |
- |
- |
- |
- |
- |
- |
8 |
16 |
Average snowfall over 26 years |
cm |
7.1 |
3.8 |
1.8 |
1.0 |
- |
- |
- |
- |
- |
- |
- |
- |
0.5 |
Average number of clear days over 26 years |
days |
100 |
7 |
7 |
7 |
9 |
8 |
8 |
7 |
9 |
9 |
12 |
9 |
7 |
Heating degree days over 30 years |
days |
3323 |
812 |
613 |
417 |
158 |
41 |
- |
- |
- |
13 |
173 |
411 |
685 |
Cooling degree days over 30 years |
days |
1651 |
- |
- |
11 |
32 |
147 |
324 |
434 |
412 |
229 |
56 |
6 |
- |
Average number of cloudy days over 26 years |
days |
164 |
18 |
15 |
16 |
14 |
13 |
11 |
11 |
9 |
12 |
12 |
14 |
18 |
Average number of partly cloudy days over 26 years |
days |
101 |
6 |
6 |
8 |
7 |
10 |
11 |
13 |
13 |
9 |
7 |
7 |
6 |
Average number of days below -12.5°C over 37 years |
days |
2 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |