Average temperature over 30 years |
°C |
14 |
0 |
2 |
8 |
14 |
19 |
24 |
26 |
24 |
21 |
14 |
8 |
2 |
Average high temperature over 30 years |
°C |
19 |
5 |
7 |
14 |
20 |
25 |
29 |
31 |
30 |
27 |
21 |
14 |
7 |
Average low temperature over 30 years |
°C |
8 |
-4 |
-2 |
3 |
8 |
13 |
18 |
20 |
18 |
15 |
8 |
3 |
-2 |
Highest recorded temperature over 48 years |
°C |
41 |
23 |
25 |
29 |
32 |
35 |
41 |
41 |
40 |
40 |
33 |
28 |
25 |
Lowest recorded temperature over 48 years |
°C |
-26 |
-26 |
-25 |
-18 |
-4 |
1 |
6 |
8 |
6 |
1 |
-5 |
-19 |
-23 |
Average number of rainy days over 10 years |
days |
111 |
8 |
10 |
11 |
11 |
11 |
8 |
8 |
7 |
8 |
9 |
10 |
10 |
Average number of days above 27°C over 30 years |
days |
43 |
- |
- |
- |
- |
1.2 |
9.4 |
15 |
13 |
4.1 |
0.1 |
- |
- |
Average precipitation over 30 years |
cm |
125.2 |
8.4 |
9.9 |
12.4 |
12.7 |
12.4 |
10.4 |
10.7 |
8.4 |
9.4 |
7.6 |
10.9 |
11.9 |
Average dew point over 27 years |
°C |
8 |
-2 |
-1 |
2 |
7 |
13 |
18 |
20 |
19 |
15 |
8 |
2 |
-1 |
Average number of days above 17°C over 38 years |
days |
189 |
- |
1 |
6 |
15 |
25 |
30 |
31 |
31 |
27 |
18 |
5 |
- |
Most recorded rainfall over 38 years |
cm |
179.3 |
35.8 |
33.8 |
37.8 |
36.8 |
23.6 |
23.4 |
31.8 |
19.3 |
23.4 |
18.5 |
26.7 |
29.2 |
Least recorded rainfall over 38 years |
cm |
70.6 |
1.5 |
2.3 |
2.5 |
3.8 |
1.8 |
0.8 |
1.3 |
1.0 |
0.3 |
- |
2.0 |
1.5 |
Average number of days with thunderstorms over 37 years |
days |
51 |
1 |
1 |
4 |
5 |
8 |
8 |
8 |
7 |
4 |
2 |
2 |
1 |
Average number of days with fog over 37 years |
days |
168 |
14 |
13 |
13 |
10 |
13 |
13 |
16 |
19 |
18 |
13 |
12 |
14 |
Average morning relative humidity over 27 years |
% |
81 |
83 |
82 |
78 |
75 |
79 |
79 |
81 |
85 |
85 |
84 |
82 |
82 |
Average evening relative humidity over 27 years |
% |
56 |
66 |
60 |
53 |
49 |
54 |
55 |
55 |
54 |
52 |
50 |
57 |
65 |
Average wind speed over 27 years |
km/h |
16.1 |
19.3 |
17.7 |
20.9 |
19.3 |
16.1 |
14.5 |
14.5 |
12.9 |
14.5 |
16.1 |
17.7 |
17.7 |
Average number of days below -1.5°C over 30 years |
days |
87 |
23 |
18 |
12 |
2 |
- |
- |
- |
- |
- |
2 |
11 |
20 |
Average number of days below -17.5°C over 30 years |
days |
1.6 |
0.9 |
0.2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.4 |
Average snowfall over 30 years |
cm |
28.2 |
10.9 |
8.6 |
4.1 |
0.3 |
- |
- |
- |
- |
- |
- |
0.3 |
4.1 |
Average number of clear days over 9 years |
days |
102 |
7 |
6 |
7 |
8 |
7 |
7 |
11 |
11 |
11 |
11 |
9 |
7 |
Most rain reported in a day over 48 years |
cm |
19.1 |
8.6 |
15.7 |
13.5 |
10.4 |
10.4 |
9.7 |
14.0 |
8.1 |
19.1 |
7.6 |
12.4 |
11.9 |
Most rain reported in a month over 48 years |
cm |
179.3 |
35.8 |
33.8 |
37.8 |
36.8 |
25.1 |
24.1 |
31.8 |
19.3 |
23.4 |
18.5 |
35.1 |
29.2 |
Least rain reported in a month over 48 years |
cm |
71.6 |
1.5 |
2.3 |
2.5 |
3.6 |
1.8 |
0.8 |
1.3 |
0.3 |
0.3 |
- |
2.0 |
1.5 |
Heating degree days over 30 years |
days |
4315 |
1002 |
795 |
548 |
250 |
70 |
3 |
- |
1 |
37 |
233 |
516 |
860 |
Cooling degree days over 30 years |
days |
1492 |
- |
- |
6 |
35 |
120 |
308 |
426 |
366 |
190 |
38 |
3 |
- |
Average possibility of sunshine over 9 years |
% |
56 |
46 |
47 |
52 |
64 |
59 |
64 |
68 |
66 |
59 |
61 |
48 |
43 |
Average number of cloudy days over 9 years |
days |
166 |
18 |
15 |
16 |
14 |
15 |
11 |
9 |
9 |
11 |
13 |
17 |
17 |
Average number of partly cloudy days over 9 years |
days |
98 |
6 |
7 |
8 |
8 |
9 |
12 |
11 |
11 |
8 |
7 |
4 |
7 |
Average number of days below -12.5°C over 38 years |
days |
8 |
4 |
2 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |
Most snow reported in a month over 48 years |
cm |
95.8 |
62.7 |
38.9 |
61.0 |
8.9 |
- |
- |
- |
- |
- |
5.6 |
10.2 |
18.5 |