Average temperature over 30 years |
°C |
9 |
-4 |
-2 |
2 |
9 |
14 |
20 |
22 |
21 |
17 |
11 |
5 |
-1 |
Average high temperature over 30 years |
°C |
15 |
0 |
1 |
7 |
15 |
21 |
26 |
28 |
27 |
23 |
17 |
9 |
2 |
Average low temperature over 30 years |
°C |
4 |
-8 |
-7 |
-2 |
3 |
8 |
13 |
16 |
14 |
11 |
5 |
0 |
-5 |
Highest recorded temperature over 110 years |
°C |
40 |
20 |
21 |
28 |
32 |
35 |
40 |
38 |
37 |
36 |
34 |
27 |
20 |
Lowest recorded temperature over 110 years |
°C |
-29 |
-29 |
-25 |
-21 |
-12 |
-5 |
0 |
3 |
2 |
-5 |
-9 |
-28 |
-26 |
Average number of rainy days over 18 years |
days |
65.9 |
5.1 |
4.9 |
5.7 |
6.5 |
7 |
6.5 |
6 |
5.3 |
4.2 |
5.1 |
4.4 |
5.2 |
Average number of days above 27°C over 30 years |
days |
11 |
- |
- |
- |
- |
0.3 |
2.5 |
4.4 |
2.7 |
1 |
- |
- |
- |
Average precipitation over 30 years |
cm |
94.7 |
6.6 |
4.3 |
6.6 |
9.1 |
8.1 |
8.4 |
7.9 |
8.4 |
11.2 |
7.9 |
8.6 |
7.9 |
Average relative humidity over 12 years |
% |
74 |
80 |
79 |
74 |
70 |
67 |
69 |
72 |
74 |
72 |
72 |
75 |
79 |
Average dew point over 12 years |
°C |
4 |
-6 |
-5 |
-3 |
2 |
8 |
13 |
16 |
16 |
12 |
6 |
0 |
-5 |
Average number of days below -1.5°C over 30 years |
days |
125 |
27 |
25 |
22 |
8.3 |
1.1 |
- |
- |
- |
0.4 |
3.2 |
14 |
24 |
Average number of days below -17.5°C over 30 years |
days |
3.6 |
1.6 |
1.3 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.6 |
Average snowfall over 30 years |
cm |
196.6 |
64.0 |
44.7 |
18.8 |
4.6 |
- |
- |
- |
- |
- |
1.3 |
12.2 |
50.8 |
Most rain reported in a day over 110 years |
cm |
16.8 |
5.6 |
5.3 |
6.3 |
10.7 |
16.8 |
8.9 |
12.4 |
8.4 |
14.0 |
7.4 |
7.1 |
6.1 |
Most rain reported in a month over 110 years |
cm |
128.0 |
15.5 |
14.5 |
14.2 |
23.9 |
34.8 |
24.9 |
30.7 |
26.7 |
25.7 |
24.6 |
22.1 |
26.9 |
Least rain reported in a month over 110 years |
cm |
51.6 |
0.8 |
- |
- |
0.5 |
0.3 |
0.5 |
- |
- |
- |
0.3 |
1.5 |
- |
Heating degree days over 30 years |
days |
6392 |
1228 |
1082 |
873 |
533 |
264 |
57 |
16 |
27 |
128 |
396 |
700 |
1088 |
Cooling degree days over 30 years |
days |
668 |
- |
- |
- |
9 |
46 |
142 |
217 |
169 |
75 |
10 |
- |
- |
Most snow reported in a month over 110 years |
cm |
349.2 |
152.4 |
119.4 |
64.8 |
25.4 |
2.5 |
- |
- |
- |
0.5 |
22.9 |
42.4 |
207.3 |