Average temperature over 45 years |
°C |
20 |
11 |
12 |
16 |
20 |
23 |
27 |
27 |
27 |
25 |
20 |
16 |
12 |
Average high temperature over 45 years |
°C |
25 |
16 |
18 |
21 |
26 |
29 |
32 |
32 |
32 |
30 |
26 |
21 |
17 |
Average low temperature over 45 years |
°C |
15 |
5 |
7 |
10 |
14 |
18 |
21 |
22 |
22 |
21 |
15 |
10 |
6 |
Highest recorded temperature over 45 years |
°C |
40 |
27 |
30 |
31 |
35 |
37 |
40 |
39 |
37 |
37 |
34 |
32 |
28 |
Lowest recorded temperature over 45 years |
°C |
-15 |
-15 |
-7 |
-5 |
1 |
6 |
10 |
17 |
16 |
5 |
1 |
-7 |
-12 |
Average number of rainy days over 45 years |
days |
104 |
9 |
8 |
8 |
7 |
8 |
10 |
13 |
12 |
9 |
5 |
7 |
8 |
Average number of days above 27°C over 12 years |
days |
45 |
- |
- |
1 |
6 |
16 |
20 |
20 |
10 |
1 |
- |
- |
74 |
Average precipitation over 45 years |
cm |
119.1 |
9.7 |
10.7 |
12.4 |
9.4 |
9.7 |
11.4 |
16.0 |
13.2 |
8.6 |
5.3 |
6.1 |
9.1 |
Average dew point over 10 years |
°C |
13 |
3 |
5 |
8 |
11 |
16 |
20 |
21 |
21 |
19 |
13 |
10 |
5 |
Average number of days with thunderstorms over 45 years |
days |
61 |
1 |
2 |
3 |
4 |
7 |
10 |
14 |
11 |
5 |
2 |
1 |
1 |
Average number of days with fog over 45 years |
days |
203 |
16 |
14 |
15 |
14 |
17 |
18 |
19 |
21 |
20 |
17 |
16 |
16 |
Average morning relative humidity over 10 years |
% |
82.1 |
76 |
78 |
80.1 |
78.2 |
82.3 |
84.7 |
86.2 |
88.6 |
85.9 |
82.3 |
83.1 |
79.1 |
Average evening relative humidity over 10 years |
% |
55.3 |
56.1 |
54.4 |
51.8 |
47.4 |
51.1 |
56.3 |
59.8 |
60.9 |
58.2 |
54.7 |
56.5 |
56.7 |
Average wind speed over 12 years |
km/h |
17.7 |
8.0 |
8.0 |
6.4 |
6.4 |
4.8 |
4.8 |
4.8 |
4.8 |
6.4 |
6.4 |
6.4 |
6.4 |
Average snowfall over 45 years |
cm |
0.3 |
- |
0.3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Most rain reported in a day over 45 years |
cm |
14.5 |
9.1 |
8.1 |
14.5 |
14.2 |
10.7 |
14.2 |
9.1 |
11.7 |
13.7 |
11.9 |
8.1 |
9.7 |
Most rain reported in a month over 45 years |
cm |
178.3 |
50.5 |
28.2 |
30.7 |
29.5 |
28.7 |
29.7 |
28.4 |
39.4 |
22.9 |
18.5 |
16.3 |
23.1 |
Least rain reported in a month over 45 years |
cm |
60.2 |
1.0 |
3.3 |
1.8 |
0.8 |
0.5 |
2.0 |
4.1 |
3.3 |
0.3 |
- |
0.3 |
0.3 |
Heating degree days over 40 years |
days |
1451 |
434 |
280 |
152 |
37 |
- |
- |
- |
- |
- |
39 |
157 |
352 |
Cooling degree days over 40 years |
days |
2734 |
6 |
16 |
57 |
137 |
316 |
477 |
552 |
537 |
408 |
167 |
49 |
12 |
Most snow reported in a month over 45 years |
cm |
5.1 |
- |
5.1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2.0 |
Average possibility of clouds over 10 years |
% |
50 |
54.2 |
53.2 |
50.2 |
42.3 |
49 |
53.6 |
55.1 |
51.3 |
47.3 |
41.9 |
47.5 |
54.3 |
Average number of days below -1°C over 45 years |
days |
15 |
6 |
3 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
4 |
Average number of days below -7.5°C over 45 years |
days |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Most snow reported in a day over 45 years |
cm |
12.2 |
5.1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2.0 |
5.1 |
Deepest snow cover reported over 45 years |
cm |
5.1 |
- |
5.1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2.5 |
Average wet bulb point over 10 years |
°C |
16 |
7 |
9 |
12 |
14 |
18 |
22 |
23 |
23 |
21 |
16 |
13 |
8 |