Average temperature over 50 years |
°C |
8 |
-4 |
-3 |
1 |
8 |
13 |
19 |
21 |
21 |
16 |
11 |
5 |
-1 |
Average high temperature over 50 years |
°C |
13 |
0 |
0 |
5 |
13 |
20 |
25 |
27 |
26 |
22 |
16 |
8 |
2 |
Average low temperature over 50 years |
°C |
3 |
-9 |
-8 |
-3 |
2 |
7 |
12 |
15 |
15 |
10 |
5 |
0 |
-6 |
Highest recorded temperature over 50 years |
°C |
36 |
21 |
20 |
30 |
33 |
35 |
36 |
36 |
36 |
36 |
30 |
27 |
21 |
Lowest recorded temperature over 50 years |
°C |
-32 |
-32 |
-32 |
-26 |
-12 |
-3 |
1 |
6 |
4 |
-3 |
-7 |
-15 |
-30 |
Average number of rainy days over 44 years |
days |
171 |
19 |
16 |
17 |
14 |
13 |
11 |
11 |
11 |
11 |
12 |
16 |
19 |
Average number of days above 27°C over 50 years |
days |
9 |
- |
- |
- |
- |
- |
2 |
4 |
2 |
1 |
- |
- |
- |
Average precipitation over 50 years |
cm |
97.8 |
6.6 |
6.1 |
7.6 |
8.4 |
8.1 |
8.6 |
9.1 |
9.1 |
8.9 |
8.1 |
8.9 |
7.9 |
Average dew point over 51 years |
°C |
3 |
-8 |
-8 |
-4 |
1 |
7 |
12 |
15 |
15 |
11 |
5 |
0 |
-5 |
Most recorded rainfall over 50 years |
cm |
147.1 |
14.7 |
13.7 |
17.3 |
20.6 |
18.8 |
31.2 |
24.1 |
21.3 |
22.4 |
21.1 |
17.3 |
14.0 |
Least recorded rainfall over 50 years |
cm |
68.8 |
2.5 |
1.5 |
2.5 |
3.0 |
2.0 |
2.5 |
2.3 |
3.3 |
2.0 |
0.5 |
3.3 |
2.0 |
Average number of days with thunderstorms over 50 years |
days |
27 |
- |
- |
1 |
2 |
3 |
5 |
6 |
5 |
3 |
1 |
1 |
- |
Average number of days with fog over 50 years |
days |
136 |
10 |
9 |
11 |
10 |
11 |
11 |
12 |
13 |
14 |
12 |
12 |
11 |
Average morning relative humidity over 51 years |
% |
80 |
77 |
78 |
78 |
76 |
76 |
77 |
79 |
85 |
86 |
84 |
80 |
79 |
Average evening relative humidity over 51 years |
% |
60 |
69 |
67 |
60 |
52 |
53 |
54 |
54 |
57 |
60 |
60 |
68 |
72 |
Average wind speed over 51 years |
km/h |
17.7 |
22.5 |
20.9 |
20.9 |
20.9 |
17.7 |
17.7 |
14.5 |
14.5 |
14.5 |
16.1 |
19.3 |
20.9 |
Average number of days below -1.5°C over 50 years |
days |
137 |
29 |
26 |
24 |
11 |
1 |
- |
- |
- |
- |
4 |
15 |
27 |
Average number of days below -17.5°C over 30 years |
days |
8.2 |
3.6 |
2.7 |
0.5 |
- |
- |
- |
- |
- |
- |
- |
- |
1.4 |
Average snowfall over 44 years |
cm |
289.6 |
75.2 |
66.5 |
44.2 |
10.2 |
0.3 |
- |
- |
- |
- |
1.5 |
23.6 |
68.1 |
Average number of days above 14.5°C over 50 years |
days |
156 |
- |
- |
2 |
8 |
20 |
28 |
31 |
30 |
24 |
12 |
2 |
- |
Average number of clear days over 44 years |
days |
63 |
3 |
3 |
5 |
6 |
6 |
7 |
8 |
7 |
7 |
6 |
2 |
2 |
Most rain reported in a day over 75 years |
cm |
12.2 |
5.8 |
5.8 |
3.8 |
6.1 |
6.1 |
12.2 |
9.9 |
8.4 |
6.3 |
9.1 |
9.1 |
6.1 |
Most rain reported in a month over 75 years |
cm |
148.1 |
16.0 |
13.7 |
17.5 |
20.6 |
18.8 |
40.4 |
24.1 |
21.3 |
22.4 |
21.1 |
19.8 |
16.8 |
Least rain reported in a month over 75 years |
cm |
68.6 |
2.5 |
1.8 |
1.8 |
3.0 |
1.5 |
1.5 |
0.8 |
3.0 |
1.3 |
0.5 |
3.0 |
2.3 |
Heating degree days over 30 years |
days |
6834 |
1321 |
1148 |
964 |
579 |
268 |
61 |
10 |
28 |
139 |
443 |
735 |
1138 |
Cooling degree days over 30 years |
days |
438 |
- |
- |
- |
- |
23 |
70 |
178 |
133 |
34 |
- |
- |
- |
Average possibility of sunshine over 44 years |
% |
46 |
34 |
39 |
46 |
50 |
55 |
59 |
64 |
59 |
53 |
44 |
26 |
26 |
Average number of cloudy days over 44 years |
days |
205 |
22 |
19 |
19 |
17 |
15 |
12 |
11 |
13 |
13 |
17 |
22 |
24 |
Average number of partly cloudy days over 44 years |
days |
98 |
6 |
6 |
7 |
7 |
10 |
11 |
12 |
11 |
10 |
8 |
6 |
5 |
Most snow reported in a month over 75 years |
cm |
528.1 |
183.4 |
184.4 |
138.2 |
41.7 |
5.3 |
- |
- |
- |
- |
14.5 |
86.9 |
164.1 |