Average temperature over 30 years |
°C |
11 |
-1 |
0 |
5 |
10 |
16 |
21 |
24 |
23 |
19 |
12 |
6 |
0 |
Average high temperature over 30 years |
°C |
16 |
2 |
4 |
10 |
16 |
22 |
27 |
29 |
28 |
24 |
18 |
11 |
4 |
Average low temperature over 30 years |
°C |
6 |
-5 |
-4 |
0 |
5 |
10 |
15 |
18 |
17 |
13 |
7 |
2 |
-3 |
Highest recorded temperature over 71 years |
°C |
41 |
22 |
23 |
30 |
33 |
36 |
37 |
41 |
39 |
38 |
35 |
28 |
23 |
Lowest recorded temperature over 71 years |
°C |
-23 |
-22 |
-23 |
-15 |
-7 |
0 |
4 |
9 |
7 |
-1 |
-5 |
-12 |
-22 |
Average number of rainy days over 15 years |
days |
125 |
10 |
10 |
11 |
12 |
13 |
11 |
10 |
9 |
9 |
9 |
10 |
10 |
Average number of days above 27°C over 30 years |
days |
22 |
- |
- |
- |
0.2 |
1 |
4.3 |
8.5 |
5.7 |
1.8 |
0.1 |
- |
- |
Average precipitation over 30 years |
cm |
102.9 |
7.1 |
7.4 |
8.4 |
8.1 |
10.9 |
9.9 |
9.1 |
8.4 |
8.9 |
7.4 |
8.9 |
8.1 |
Average morning relative humidity over 51 years |
% |
76 |
72 |
71 |
72 |
71 |
74 |
77 |
79 |
83 |
85 |
82 |
77 |
73 |
Average evening relative humidity over 50 years |
% |
55 |
58 |
55 |
52 |
50 |
52 |
53 |
53 |
55 |
56 |
55 |
57 |
58 |
Average wind speed over 51 years |
km/h |
12.2 |
13.4 |
14.5 |
15.3 |
14.8 |
12.2 |
11.1 |
10.1 |
9.5 |
9.8 |
10.6 |
12.6 |
13.0 |
Average number of days below -1.5°C over 30 years |
days |
99 |
24 |
22 |
16 |
3.1 |
- |
- |
- |
- |
- |
1.6 |
10 |
22 |
Average number of days below -17.5°C over 30 years |
days |
0.9 |
0.5 |
0.2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.1 |
Average snowfall over 30 years |
cm |
94.7 |
27.4 |
29.0 |
13.7 |
1.8 |
- |
- |
- |
- |
- |
- |
5.3 |
17.5 |
Average number of clear days over 55 years |
days |
86 |
7 |
7 |
7 |
6 |
6 |
7 |
7 |
8 |
9 |
10 |
6 |
6 |
Most rain reported in a day over 71 years |
cm |
23.1 |
5.3 |
5.1 |
5.1 |
5.6 |
6.9 |
23.1 |
10.2 |
11.9 |
11.7 |
10.2 |
7.4 |
6.9 |
Most rain reported in a month over 71 years |
cm |
150.6 |
20.3 |
15.0 |
17.0 |
20.3 |
24.6 |
47.2 |
24.6 |
27.2 |
38.1 |
25.1 |
18.3 |
19.3 |
Heating degree days over 30 years |
days |
5411 |
1128 |
952 |
741 |
414 |
155 |
20 |
2 |
4 |
72 |
330 |
620 |
973 |
Cooling degree days over 30 years |
days |
1003 |
- |
- |
1 |
10 |
56 |
196 |
332 |
283 |
115 |
9 |
1 |
- |
Average possibility of sunshine over 55 years |
% |
57 |
49 |
54 |
57 |
58 |
60 |
65 |
68 |
67 |
61 |
57 |
47 |
44 |
Average number of cloudy days over 55 years |
days |
170 |
17 |
14 |
16 |
15 |
15 |
12 |
12 |
12 |
12 |
13 |
16 |
17 |
Average number of partly cloudy days over 55 years |
days |
109 |
7 |
7 |
8 |
9 |
10 |
11 |
12 |
11 |
9 |
8 |
8 |
8 |
Most snow reported in a month over 71 years |
cm |
207.5 |
86.4 |
76.7 |
57.4 |
25.9 |
- |
0.5 |
0.3 |
- |
- |
3.8 |
39.1 |
71.9 |