Average temperature over 48 years |
°C |
7 |
-5 |
-4 |
0 |
7 |
13 |
18 |
21 |
20 |
15 |
9 |
3 |
-2 |
Average high temperature over 48 years |
°C |
12 |
-1 |
0 |
4 |
12 |
18 |
23 |
26 |
25 |
20 |
14 |
7 |
0 |
Average low temperature over 48 years |
°C |
3 |
-9 |
-8 |
-4 |
1 |
7 |
12 |
15 |
14 |
10 |
4 |
0 |
-6 |
Highest recorded temperature over 48 years |
°C |
36 |
20 |
18 |
27 |
31 |
31 |
34 |
36 |
36 |
35 |
30 |
26 |
18 |
Lowest recorded temperature over 48 years |
°C |
-32 |
-32 |
-31 |
-25 |
-12 |
-3 |
0 |
3 |
2 |
-3 |
-8 |
-16 |
-27 |
Average number of rainy days over 42 years |
days |
162 |
17 |
14 |
15 |
14 |
13 |
12 |
11 |
11 |
10 |
12 |
15 |
17 |
Average number of days above 27°C over 48 years |
days |
3 |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
Average precipitation over 48 years |
cm |
94.2 |
6.1 |
5.8 |
7.4 |
8.4 |
8.4 |
9.1 |
9.1 |
8.9 |
8.1 |
7.4 |
8.1 |
7.4 |
Average dew point over 48 years |
°C |
2 |
-9 |
-8 |
-5 |
0 |
6 |
12 |
15 |
14 |
10 |
4 |
0 |
-6 |
Most recorded rainfall over 48 years |
cm |
121.9 |
16.3 |
11.2 |
15.2 |
21.8 |
16.5 |
24.1 |
18.8 |
19.1 |
24.6 |
23.9 |
19.1 |
15.5 |
Least recorded rainfall over 48 years |
cm |
75.9 |
2.0 |
1.0 |
1.8 |
2.5 |
2.0 |
2.5 |
2.0 |
1.5 |
1.5 |
0.8 |
2.5 |
2.3 |
Average number of days with thunderstorms over 48 years |
days |
29 |
- |
- |
1 |
2 |
4 |
6 |
7 |
5 |
3 |
1 |
- |
- |
Average number of days with fog over 48 years |
days |
169 |
11 |
10 |
13 |
12 |
14 |
15 |
16 |
19 |
17 |
15 |
14 |
13 |
Average morning relative humidity over 48 years |
% |
82 |
80 |
79 |
79 |
76 |
78 |
83 |
85 |
89 |
90 |
85 |
82 |
82 |
Average evening relative humidity over 48 years |
% |
61 |
69 |
65 |
60 |
54 |
54 |
57 |
57 |
59 |
62 |
60 |
68 |
72 |
Average wind speed over 48 years |
km/h |
17.7 |
20.9 |
20.9 |
20.9 |
19.3 |
17.7 |
14.5 |
12.9 |
12.9 |
14.5 |
14.5 |
16.1 |
20.9 |
Average number of days below -1.5°C over 48 years |
days |
145 |
29 |
26 |
25 |
12 |
1 |
- |
- |
- |
- |
6 |
18 |
27 |
Average number of days below -17.5°C over 30 years |
days |
7.5 |
3.5 |
2.5 |
0.3 |
- |
- |
- |
- |
- |
- |
- |
- |
1.3 |
Average snowfall over 42 years |
cm |
209.3 |
49.5 |
44.5 |
35.8 |
12.7 |
0.8 |
- |
- |
- |
- |
1.8 |
18.5 |
45.7 |
Average number of days above 14.5°C over 48 years |
days |
141 |
- |
- |
1 |
6 |
17 |
26 |
30 |
30 |
20 |
9 |
1 |
- |
Average number of clear days over 42 years |
days |
52 |
3 |
3 |
4 |
5 |
5 |
5 |
6 |
5 |
6 |
6 |
3 |
2 |
Most rain reported in a day over 46 years |
cm |
8.9 |
4.1 |
5.6 |
4.1 |
7.4 |
7.4 |
7.9 |
8.1 |
6.6 |
8.9 |
8.9 |
6.6 |
6.9 |
Most rain reported in a month over 46 years |
cm |
124.5 |
16.3 |
11.2 |
15.2 |
21.8 |
16.5 |
24.1 |
18.8 |
19.1 |
24.6 |
23.9 |
19.1 |
15.5 |
Least rain reported in a month over 46 years |
cm |
77.0 |
2.0 |
1.3 |
1.8 |
2.5 |
2.0 |
2.5 |
2.0 |
1.5 |
1.5 |
0.8 |
2.5 |
2.3 |
Heating degree days over 30 years |
days |
7273 |
1361 |
1184 |
1004 |
618 |
305 |
73 |
16 |
35 |
180 |
502 |
801 |
1194 |
Cooling degree days over 30 years |
days |
337 |
- |
- |
- |
- |
20 |
49 |
147 |
103 |
18 |
- |
- |
- |
Average possibility of sunshine over 42 years |
% |
49 |
37 |
42 |
46 |
50 |
56 |
62 |
64 |
61 |
55 |
49 |
32 |
29 |
Average number of cloudy days over 42 years |
days |
212 |
21 |
19 |
20 |
18 |
17 |
14 |
13 |
14 |
14 |
17 |
21 |
23 |
Average number of partly cloudy days over 42 years |
days |
102 |
7 |
6 |
7 |
7 |
9 |
11 |
12 |
12 |
10 |
8 |
6 |
6 |
Average number of days below -15°C over 48 years |
days |
17 |
7 |
6 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
3 |
Most snow reported in a month over 46 years |
cm |
350.0 |
110.7 |
112.5 |
96.3 |
58.2 |
8.6 |
- |
- |
- |
- |
29.5 |
73.7 |
151.4 |