Average temperature over 48 years |
°C |
20 |
10 |
12 |
15 |
20 |
23 |
26 |
27 |
27 |
25 |
20 |
15 |
11 |
Average high temperature over 48 years |
°C |
25 |
16 |
17 |
21 |
25 |
29 |
32 |
32 |
32 |
30 |
26 |
21 |
17 |
Average low temperature over 48 years |
°C |
13 |
5 |
6 |
10 |
13 |
17 |
21 |
22 |
22 |
20 |
14 |
8 |
6 |
Highest recorded temperature over 48 years |
°C |
40 |
28 |
28 |
31 |
34 |
37 |
38 |
40 |
38 |
37 |
33 |
30 |
27 |
Lowest recorded temperature over 48 years |
°C |
-16 |
-16 |
-11 |
-6 |
0 |
6 |
9 |
16 |
15 |
5 |
-1 |
-5 |
-13 |
Average number of rainy days over 52 years |
days |
122 |
11 |
10 |
10 |
7 |
9 |
11 |
16 |
14 |
10 |
6 |
8 |
10 |
Average number of days above 27°C over 48 years |
days |
75 |
- |
- |
- |
- |
5 |
17 |
22 |
21 |
10 |
1 |
- |
- |
Average precipitation over 48 years |
cm |
167.6 |
12.7 |
13.2 |
16.8 |
13.5 |
14.2 |
13.5 |
19.6 |
17.3 |
15.2 |
7.6 |
10.7 |
13.7 |
Average dew point over 33 years |
°C |
13 |
5 |
6 |
9 |
12 |
17 |
21 |
22 |
22 |
19 |
13 |
8 |
6 |
Average number of days above 17°C over 48 years |
days |
269 |
7 |
10 |
19 |
27 |
31 |
30 |
31 |
31 |
30 |
28 |
17 |
9 |
Most recorded rainfall over 48 years |
cm |
220.0 |
40.9 |
30.2 |
34.3 |
45.0 |
38.4 |
33.3 |
49.0 |
38.6 |
35.6 |
33.5 |
34.5 |
29.0 |
Least recorded rainfall over 48 years |
cm |
107.4 |
2.5 |
3.3 |
1.5 |
1.3 |
1.0 |
3.0 |
4.3 |
3.8 |
1.5 |
- |
0.8 |
3.3 |
Average number of days with thunderstorms over 48 years |
days |
78 |
2 |
2 |
5 |
5 |
7 |
12 |
18 |
14 |
7 |
2 |
2 |
2 |
Average number of days with fog over 48 years |
days |
157 |
15 |
13 |
16 |
15 |
14 |
9 |
10 |
13 |
13 |
12 |
13 |
14 |
Average morning relative humidity over 33 years |
% |
84 |
84 |
85 |
83 |
82 |
81 |
82 |
85 |
86 |
86 |
84 |
84 |
84 |
Average evening relative humidity over 33 years |
% |
60 |
60 |
58 |
55 |
54 |
57 |
62 |
67 |
65 |
61 |
55 |
58 |
62 |
Average wind speed over 38 years |
km/h |
16.1 |
19.3 |
19.3 |
17.7 |
17.7 |
16.1 |
14.5 |
12.9 |
12.9 |
14.5 |
12.9 |
17.7 |
17.7 |
Average number of days below -1.5°C over 48 years |
days |
21 |
8 |
5 |
1 |
- |
- |
- |
- |
- |
- |
- |
2 |
6 |
Average snowfall over 52 years |
cm |
1.3 |
0.3 |
0.5 |
0.3 |
- |
- |
- |
- |
- |
- |
- |
- |
0.3 |
Average number of clear days over 45 years |
days |
103 |
8 |
8 |
9 |
9 |
9 |
7 |
4 |
6 |
9 |
14 |
11 |
9 |
Heating degree days over 30 years |
days |
1702 |
492 |
344 |
177 |
48 |
- |
- |
- |
- |
- |
52 |
196 |
393 |
Cooling degree days over 30 years |
days |
2627 |
24 |
14 |
38 |
132 |
295 |
462 |
536 |
521 |
387 |
157 |
40 |
21 |
Average number of cloudy days over 45 years |
days |
147 |
17 |
14 |
14 |
12 |
11 |
9 |
12 |
10 |
11 |
9 |
12 |
16 |
Average number of partly cloudy days over 45 years |
days |
116 |
6 |
6 |
8 |
9 |
11 |
14 |
15 |
15 |
10 |
8 |
7 |
6 |