Average temperature over 18 years |
°C |
10 |
3 |
2 |
5 |
7 |
11 |
14 |
16 |
16 |
14 |
11 |
7 |
5 |
Average high temperature over 18 years |
°C |
12 |
5 |
5 |
8 |
11 |
15 |
17 |
20 |
20 |
17 |
13 |
9 |
6 |
Average low temperature over 18 years |
°C |
6 |
1 |
0 |
2 |
3 |
7 |
11 |
13 |
12 |
11 |
7 |
4 |
2 |
Highest recorded temperature over 18 years |
°C |
33 |
12 |
15 |
20 |
23 |
27 |
31 |
32 |
33 |
27 |
24 |
17 |
15 |
Lowest recorded temperature over 18 years |
°C |
-15 |
-15 |
-12 |
-8 |
-3 |
-1 |
2 |
6 |
6 |
2 |
-2 |
-5 |
-10 |
Average dew point over 17 years |
°C |
6 |
1 |
0 |
2 |
3 |
7 |
10 |
12 |
12 |
11 |
8 |
5 |
2 |
Average number of days above 17°C over 18 years |
days |
37 |
- |
- |
- |
1 |
4 |
7 |
9 |
12 |
4 |
1 |
- |
- |
Average number of days with thunderstorms over 17 years |
days |
30 |
1 |
- |
1 |
1 |
4 |
4 |
4 |
4 |
4 |
3 |
3 |
1 |
Average number of days with fog over 17 years |
days |
240 |
20 |
19 |
21 |
18 |
21 |
19 |
19 |
20 |
20 |
22 |
19 |
22 |
Average morning relative humidity over 17 years |
% |
87 |
87 |
88 |
89 |
86 |
85 |
84 |
84 |
87 |
89 |
89 |
88 |
88 |
Average evening relative humidity over 17 years |
% |
76 |
84 |
78 |
77 |
70 |
68 |
70 |
71 |
69 |
74 |
78 |
82 |
86 |
Average wind speed over 17 years |
km/h |
19.3 |
17.7 |
17.7 |
27.4 |
16.1 |
17.7 |
17.7 |
19.3 |
17.7 |
22.5 |
16.1 |
16.1 |
19.3 |
Average number of days above 12°C over 18 years |
days |
133 |
- |
- |
1 |
4 |
14 |
21 |
29 |
30 |
25 |
9 |
- |
- |
Average number of days below -1.5°C over 18 years |
days |
50 |
11 |
14 |
8 |
3 |
- |
- |
- |
- |
- |
- |
5 |
9 |
Average number of days with precipitation over 17 years |
days |
248 |
25 |
17 |
22 |
19 |
19 |
19 |
19 |
18 |
20 |
22 |
23 |
25 |
Average number of days with freezing rain over 17 years |
days |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days with snow over 17 years |
days |
22 |
6 |
5 |
4 |
1 |
- |
- |
- |
- |
- |
- |
2 |
4 |
Average number of days with blowing dust/sand over 17 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with blowing snow over 17 years |
days |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average number of days with smoke/haze over 17 years |
days |
151 |
9 |
14 |
14 |
14 |
14 |
14 |
12 |
14 |
14 |
13 |
10 |
9 |
Average number of days with sleet over 17 years |
days |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
Average number of days with vision obstruction over 17 years |
days |
257 |
22 |
22 |
23 |
21 |
23 |
20 |
20 |
21 |
21 |
22 |
19 |
23 |