Average temperature over 40 years |
°C |
21 |
11 |
13 |
17 |
21 |
25 |
28 |
28 |
28 |
27 |
21 |
17 |
13 |
Average high temperature over 40 years |
°C |
25 |
15 |
17 |
21 |
25 |
28 |
32 |
32 |
32 |
31 |
26 |
21 |
17 |
Average low temperature over 40 years |
°C |
17 |
7 |
9 |
13 |
17 |
21 |
24 |
25 |
25 |
22 |
16 |
13 |
10 |
Highest recorded temperature over 40 years |
°C |
39 |
26 |
28 |
31 |
32 |
35 |
37 |
39 |
37 |
36 |
32 |
30 |
27 |
Lowest recorded temperature over 40 years |
°C |
-14 |
-14 |
-6 |
-4 |
1 |
5 |
13 |
17 |
20 |
8 |
1 |
-1 |
-11 |
Average number of rainy days over 40 years |
days |
121 |
12 |
8 |
10 |
7 |
8 |
12 |
16 |
16 |
9 |
6 |
8 |
9 |
Average number of days above 27°C over 12 years |
days |
40 |
- |
- |
1 |
3 |
16 |
20 |
20 |
13 |
1 |
- |
- |
74 |
Average precipitation over 40 years |
cm |
157.5 |
11.9 |
10.9 |
13.7 |
10.2 |
9.7 |
15.0 |
19.3 |
18.5 |
18.0 |
8.6 |
9.1 |
12.4 |
Average dew point over 10 years |
°C |
14 |
5 |
7 |
10 |
12 |
16 |
21 |
22 |
22 |
19 |
14 |
11 |
7 |
Average number of days with thunderstorms over 40 years |
days |
69 |
1 |
1 |
2 |
3 |
5 |
12 |
16 |
17 |
7 |
2 |
2 |
1 |
Average number of days with fog over 40 years |
days |
123 |
14 |
10 |
12 |
10 |
9 |
6 |
7 |
9 |
11 |
13 |
10 |
12 |
Average morning relative humidity over 10 years |
% |
79.7 |
78.6 |
80.8 |
84.5 |
76.6 |
76.1 |
78.5 |
79.2 |
82.8 |
79.9 |
79.7 |
84.5 |
84.6 |
Average evening relative humidity over 10 years |
% |
56.7 |
58.2 |
58.7 |
54.3 |
49.5 |
54.2 |
58.3 |
59.8 |
61.2 |
56.4 |
52.5 |
57.7 |
60.8 |
Average wind speed over 12 years |
km/h |
17.7 |
9.7 |
12.9 |
12.9 |
9.7 |
8.0 |
8.0 |
6.4 |
6.4 |
8.0 |
8.0 |
9.7 |
8.0 |
Average snowfall over 40 years |
cm |
- |
0.5 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Most rain reported in a day over 40 years |
cm |
25.4 |
8.6 |
19.3 |
14.5 |
11.7 |
19.8 |
11.4 |
20.1 |
9.1 |
25.4 |
18.5 |
15.7 |
9.1 |
Most rain reported in a month over 40 years |
cm |
221.5 |
46.5 |
31.5 |
27.2 |
31.5 |
25.7 |
36.3 |
49.3 |
44.2 |
41.1 |
24.6 |
25.9 |
23.9 |
Least rain reported in a month over 40 years |
cm |
92.2 |
2.0 |
2.3 |
2.3 |
0.5 |
1.3 |
2.0 |
4.3 |
4.8 |
1.5 |
0.8 |
0.8 |
1.5 |
Most snow reported in a month over 40 years |
cm |
5.1 |
5.1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average possibility of clouds over 10 years |
% |
53.1 |
55.6 |
57.7 |
52.6 |
47 |
52.4 |
59.2 |
58.6 |
60.1 |
44.2 |
43 |
51.1 |
57.3 |
Average number of days below -1°C over 40 years |
days |
10 |
4 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
2 |
Average number of days below -7.5°C over 40 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Most snow reported in a day over 40 years |
cm |
2.5 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2.5 |
Deepest snow cover reported over 40 years |
cm |
25.4 |
25.4 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Average wet bulb point over 10 years |
°C |
17 |
8 |
11 |
13 |
16 |
20 |
23 |
23 |
23 |
21 |
17 |
15 |
11 |