Average temperature over 40 years |
°C |
8 |
0 |
1 |
5 |
8 |
12 |
15 |
17 |
17 |
14 |
10 |
5 |
1 |
Average high temperature over 40 years |
°C |
12 |
2 |
3 |
8 |
12 |
17 |
20 |
22 |
21 |
18 |
13 |
7 |
3 |
Average low temperature over 40 years |
°C |
5 |
-1 |
-1 |
1 |
3 |
7 |
11 |
12 |
12 |
10 |
6 |
2 |
0 |
Highest recorded temperature over 40 years |
°C |
36 |
13 |
19 |
22 |
28 |
30 |
32 |
36 |
33 |
32 |
26 |
21 |
17 |
Lowest recorded temperature over 40 years |
°C |
-21 |
-19 |
-21 |
-13 |
-5 |
-2 |
1 |
3 |
2 |
0 |
-6 |
-11 |
-16 |
Average number of rainy days over 39 years |
days |
160 |
17 |
13 |
13 |
13 |
13 |
13 |
12 |
13 |
11 |
12 |
14 |
16 |
Average precipitation over 39 years |
cm |
70.1 |
5.8 |
5.1 |
5.1 |
4.8 |
5.8 |
7.1 |
6.6 |
7.1 |
5.6 |
5.3 |
5.3 |
7.1 |
Average dew point over 10 years |
°C |
4 |
-2 |
-2 |
1 |
2 |
7 |
10 |
11 |
11 |
8 |
6 |
1 |
0 |
Average number of days above 17°C over 12 years |
days |
40 |
- |
- |
2 |
7 |
13 |
18 |
17 |
9 |
1 |
- |
- |
67 |
Average number of days with thunderstorms over 39 years |
days |
227 |
22 |
18 |
18 |
16 |
15 |
16 |
15 |
18 |
20 |
24 |
23 |
22 |
Average morning relative humidity over 10 years |
% |
81 |
80 |
78.5 |
82.4 |
80.9 |
82.2 |
81.6 |
78.8 |
79.3 |
80.8 |
83.4 |
81.3 |
83 |
Average evening relative humidity over 10 years |
% |
65.9 |
76.3 |
69.6 |
67.2 |
60.4 |
61.5 |
61.2 |
54.7 |
56.5 |
60.5 |
69.7 |
74.2 |
78.8 |
Average wind speed over 12 years |
km/h |
17.7 |
12.9 |
12.9 |
9.7 |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
9.7 |
8.0 |
9.7 |
9.7 |
Average snowfall over 39 years |
cm |
41.4 |
15.2 |
12.7 |
4.3 |
1.8 |
- |
- |
- |
- |
- |
- |
5.1 |
6.9 |
Most rain reported in a day over 39 years |
cm |
6.6 |
2.5 |
3.3 |
2.3 |
3.0 |
3.8 |
4.3 |
4.8 |
5.3 |
5.1 |
5.1 |
3.6 |
6.6 |
Most rain reported in a month over 39 years |
cm |
96.8 |
14.2 |
12.7 |
11.7 |
13.7 |
17.0 |
12.7 |
16.8 |
18.5 |
19.8 |
13.2 |
13.2 |
15.5 |
Least rain reported in a month over 39 years |
cm |
46.5 |
0.5 |
0.3 |
2.0 |
0.8 |
1.5 |
0.5 |
1.3 |
1.5 |
- |
0.5 |
0.8 |
0.5 |
Heating degree days over 15 years |
days |
6292 |
1035 |
875 |
761 |
520 |
336 |
154 |
107 |
130 |
214 |
477 |
746 |
937 |
Cooling degree days over 15 years |
days |
125 |
- |
- |
- |
- |
2 |
23 |
55 |
35 |
10 |
- |
- |
- |
Most snow reported in a month over 39 years |
cm |
114.0 |
49.0 |
57.4 |
21.1 |
30.5 |
- |
- |
- |
- |
- |
- |
26.7 |
45.7 |
Average possibility of clouds over 12 years |
% |
39 |
1 |
1 |
1 |
3 |
5 |
4 |
4 |
2 |
1 |
1 |
1 |
25 |
Average number of snowy days over 39 years |
days |
20 |
6 |
5 |
2 |
1 |
- |
- |
- |
- |
- |
- |
2 |
4 |
Average number of days below -1°C over 40 years |
days |
83 |
19 |
17 |
12 |
5 |
1 |
- |
- |
- |
- |
2 |
10 |
17 |
Average number of days below -7.5°C over 40 years |
days |
14 |
5 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
3 |
Most snow reported in a day over 39 years |
cm |
123.4 |
30.5 |
10.9 |
22.9 |
- |
- |
- |
- |
- |
- |
12.2 |
16.5 |
30.5 |
Deepest snow cover reported over 39 years |
cm |
27.9 |
22.9 |
27.9 |
17.8 |
20.3 |
- |
- |
- |
- |
- |
- |
12.7 |
20.3 |
Average wet bulb point over 10 years |
°C |
7 |
0 |
0 |
3 |
6 |
10 |
12 |
14 |
14 |
11 |
8 |
3 |
1 |