Average temperature over 46 years |
°C |
8 |
-5 |
-4 |
1 |
7 |
13 |
19 |
21 |
20 |
16 |
10 |
3 |
-2 |
Average high temperature over 46 years |
°C |
13 |
-1 |
0 |
5 |
13 |
20 |
25 |
27 |
26 |
22 |
16 |
7 |
1 |
Average low temperature over 46 years |
°C |
3 |
-9 |
-8 |
-3 |
2 |
7 |
12 |
15 |
14 |
10 |
5 |
0 |
-6 |
Highest recorded temperature over 46 years |
°C |
38 |
18 |
17 |
25 |
30 |
33 |
38 |
38 |
36 |
36 |
31 |
26 |
19 |
Lowest recorded temperature over 46 years |
°C |
-31 |
-31 |
-30 |
-24 |
-14 |
-5 |
0 |
4 |
2 |
-3 |
-7 |
-21 |
-24 |
Average number of rainy days over 52 years |
days |
134 |
13 |
11 |
13 |
13 |
11 |
10 |
9 |
9 |
10 |
9 |
12 |
13 |
Average number of days above 27°C over 30 years |
days |
13 |
- |
- |
- |
- |
0.4 |
2.8 |
5.4 |
3.2 |
1.2 |
- |
- |
- |
Average precipitation over 46 years |
cm |
77.7 |
4.1 |
3.8 |
5.3 |
7.9 |
6.9 |
8.4 |
7.4 |
8.9 |
7.9 |
5.8 |
6.6 |
5.1 |
Average dew point over 38 years |
°C |
3 |
-8 |
-7 |
-3 |
1 |
7 |
12 |
15 |
15 |
11 |
5 |
0 |
-5 |
Average number of days above 17°C over 46 years |
days |
129 |
- |
- |
1 |
4 |
15 |
25 |
30 |
29 |
18 |
6 |
- |
- |
Most recorded rainfall over 46 years |
cm |
115.3 |
8.1 |
13.5 |
10.7 |
14.2 |
17.3 |
16.5 |
20.1 |
27.9 |
27.7 |
10.7 |
12.4 |
11.9 |
Least recorded rainfall over 46 years |
cm |
46.0 |
0.8 |
0.5 |
0.8 |
2.5 |
0.8 |
1.5 |
1.8 |
1.0 |
0.8 |
1.0 |
1.8 |
1.0 |
Average number of days with thunderstorms over 46 years |
days |
32 |
- |
- |
1 |
3 |
4 |
6 |
6 |
6 |
4 |
1 |
1 |
- |
Average number of days with fog over 46 years |
days |
146 |
11 |
10 |
12 |
11 |
10 |
10 |
12 |
16 |
14 |
14 |
13 |
13 |
Average morning relative humidity over 38 years |
% |
84 |
81 |
81 |
81 |
80 |
81 |
85 |
88 |
91 |
90 |
86 |
83 |
83 |
Average evening relative humidity over 38 years |
% |
59 |
70 |
67 |
60 |
53 |
51 |
53 |
52 |
55 |
56 |
57 |
65 |
72 |
Average wind speed over 38 years |
km/h |
17.7 |
17.7 |
17.7 |
20.9 |
19.3 |
17.7 |
16.1 |
14.5 |
12.9 |
14.5 |
16.1 |
19.3 |
17.7 |
Average number of days above 12°C over 46 years |
days |
179 |
- |
- |
3 |
11 |
25 |
29 |
31 |
31 |
27 |
16 |
4 |
1 |
Average number of days below -1.5°C over 46 years |
days |
143 |
29 |
26 |
24 |
11 |
2 |
- |
- |
- |
- |
6 |
17 |
27 |
Average number of days below -17.5°C over 30 years |
days |
10 |
4 |
3.8 |
0.6 |
- |
- |
- |
- |
- |
- |
- |
- |
1.8 |
Average snowfall over 52 years |
cm |
114.6 |
29.5 |
24.9 |
19.3 |
6.1 |
- |
- |
- |
- |
- |
0.5 |
9.7 |
24.6 |
Average number of clear days over 52 years |
days |
66 |
4 |
4 |
5 |
6 |
6 |
6 |
7 |
8 |
7 |
7 |
3 |
3 |
Most rain reported in a day over 104 years |
cm |
15.2 |
3.3 |
7.4 |
5.8 |
6.9 |
5.6 |
8.9 |
9.4 |
11.4 |
15.2 |
5.1 |
4.8 |
12.2 |
Most rain reported in a month over 104 years |
cm |
115.3 |
9.9 |
13.5 |
10.9 |
15.0 |
19.3 |
18.3 |
23.9 |
28.4 |
27.7 |
14.0 |
12.4 |
20.8 |
Least rain reported in a month over 104 years |
cm |
46.0 |
0.3 |
0.3 |
0.8 |
1.5 |
0.8 |
1.5 |
0.5 |
- |
0.8 |
0.3 |
0.5 |
1.0 |
Heating degree days over 30 years |
days |
6979 |
1349 |
1162 |
961 |
570 |
292 |
64 |
11 |
25 |
137 |
468 |
768 |
1172 |
Cooling degree days over 30 years |
days |
483 |
- |
- |
- |
- |
37 |
91 |
184 |
136 |
29 |
6 |
- |
- |
Average number of cloudy days over 52 years |
days |
195 |
21 |
17 |
19 |
17 |
15 |
12 |
11 |
11 |
13 |
15 |
21 |
22 |
Average number of partly cloudy days over 52 years |
days |
105 |
6 |
7 |
7 |
7 |
10 |
12 |
13 |
12 |
10 |
9 |
6 |
6 |
Most snow reported in a month over 104 years |
cm |
580.1 |
259.1 |
228.1 |
79.2 |
43.9 |
30.5 |
- |
- |
- |
- |
11.2 |
41.1 |
147.3 |