Average temperature over 40 years |
°C |
16 |
3 |
6 |
11 |
17 |
21 |
26 |
29 |
28 |
23 |
17 |
10 |
5 |
Average high temperature over 40 years |
°C |
23 |
9 |
12 |
17 |
23 |
27 |
32 |
35 |
35 |
30 |
23 |
16 |
11 |
Average low temperature over 40 years |
°C |
10 |
-2 |
0 |
3 |
10 |
15 |
20 |
22 |
22 |
17 |
11 |
3 |
0 |
Highest recorded temperature over 40 years |
°C |
46 |
28 |
32 |
38 |
40 |
41 |
46 |
43 |
45 |
41 |
36 |
33 |
30 |
Lowest recorded temperature over 40 years |
°C |
-20 |
-20 |
-16 |
-13 |
-3 |
3 |
9 |
14 |
12 |
1 |
-2 |
-10 |
-16 |
Average number of rainy days over 40 years |
days |
67 |
4 |
5 |
5 |
6 |
9 |
7 |
5 |
6 |
5 |
6 |
4 |
5 |
Average number of days above 27°C over 12 years |
days |
40 |
- |
1 |
2 |
7 |
18 |
26 |
25 |
13 |
2 |
- |
- |
94 |
Average precipitation over 40 years |
cm |
62.7 |
2.3 |
2.3 |
3.6 |
5.1 |
12.7 |
7.9 |
4.8 |
5.3 |
7.1 |
6.9 |
2.5 |
2.5 |
Average dew point over 10 years |
°C |
7 |
-3 |
-1 |
2 |
6 |
12 |
17 |
17 |
17 |
13 |
8 |
2 |
-1 |
Average number of days with thunderstorms over 37 years |
days |
46 |
1 |
1 |
3 |
4 |
9 |
7 |
6 |
6 |
4 |
3 |
1 |
1 |
Average number of days with fog over 37 years |
days |
69 |
8 |
8 |
8 |
6 |
6 |
3 |
2 |
2 |
5 |
6 |
7 |
8 |
Average morning relative humidity over 10 years |
% |
72.3 |
70.2 |
71.6 |
73 |
70.2 |
74.1 |
75.9 |
68.6 |
70 |
73 |
73.8 |
73.3 |
73.3 |
Average evening relative humidity over 10 years |
% |
46.2 |
47.6 |
50.7 |
46.2 |
41.5 |
46.7 |
48.5 |
40.1 |
41.2 |
45.1 |
47.7 |
47.6 |
52.4 |
Average wind speed over 12 years |
km/h |
17.7 |
14.5 |
14.5 |
14.5 |
12.9 |
9.7 |
9.7 |
8.0 |
9.7 |
9.7 |
12.9 |
9.7 |
12.9 |
Average snowfall over 37 years |
cm |
18.3 |
5.3 |
6.3 |
1.3 |
- |
- |
- |
- |
- |
- |
- |
1.0 |
3.6 |
Most rain reported in a day over 40 years |
cm |
16.5 |
6.1 |
4.1 |
4.3 |
6.1 |
16.0 |
9.4 |
6.3 |
6.9 |
16.5 |
14.0 |
3.6 |
4.8 |
Most rain reported in a month over 40 years |
cm |
94.7 |
13.2 |
7.9 |
9.9 |
16.3 |
37.8 |
20.3 |
21.1 |
18.8 |
24.4 |
23.1 |
9.1 |
10.7 |
Least rain reported in a month over 40 years |
cm |
27.7 |
- |
- |
- |
- |
0.3 |
- |
- |
- |
- |
0.3 |
- |
- |
Heating degree days over 36 years |
days |
3250 |
819 |
608 |
417 |
138 |
24 |
1 |
- |
- |
12 |
110 |
416 |
705 |
Cooling degree days over 36 years |
days |
2335 |
- |
- |
11 |
71 |
221 |
439 |
608 |
577 |
320 |
84 |
4 |
- |
Average number of days below -12.5°C over 40 years |
days |
3 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Most snow reported in a month over 37 years |
cm |
52.8 |
25.9 |
35.1 |
11.4 |
1.3 |
- |
- |
- |
- |
- |
- |
9.9 |
17.8 |
Average possibility of clouds over 10 years |
% |
41.7 |
43 |
50.7 |
48 |
41.5 |
48 |
45.6 |
26 |
30.7 |
35 |
41.1 |
42 |
46.1 |
Average number of snowy days over 37 years |
days |
5 |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
Average number of days below -1°C over 40 years |
days |
73 |
23 |
15 |
7 |
1 |
- |
- |
- |
- |
- |
1 |
7 |
19 |
Most snow reported in a day over 37 years |
cm |
67.1 |
17.8 |
8.1 |
1.3 |
- |
- |
- |
- |
- |
- |
7.4 |
13.2 |
19.3 |
Deepest snow cover reported over 37 years |
cm |
22.9 |
22.9 |
17.8 |
7.6 |
- |
- |
- |
- |
- |
- |
- |
5.1 |
12.7 |
Average wet bulb point over 10 years |
°C |
11 |
1 |
2 |
7 |
11 |
16 |
20 |
21 |
21 |
17 |
12 |
6 |
2 |