Average temperature over 55 years |
°C |
13 |
0 |
2 |
7 |
13 |
18 |
23 |
25 |
24 |
20 |
14 |
7 |
2 |
Average high temperature over 55 years |
°C |
18 |
5 |
7 |
12 |
19 |
23 |
28 |
30 |
30 |
26 |
20 |
12 |
7 |
Average low temperature over 55 years |
°C |
8 |
-3 |
-2 |
2 |
7 |
12 |
17 |
20 |
18 |
15 |
8 |
3 |
-1 |
Highest recorded temperature over 55 years |
°C |
40 |
25 |
25 |
29 |
33 |
35 |
40 |
40 |
38 |
38 |
32 |
28 |
25 |
Lowest recorded temperature over 55 years |
°C |
-30 |
-30 |
-27 |
-19 |
-5 |
-1 |
3 |
10 |
7 |
1 |
-6 |
-18 |
-25 |
Average number of rainy days over 55 years |
days |
120 |
11 |
10 |
12 |
12 |
11 |
10 |
10 |
8 |
7 |
8 |
10 |
11 |
Average precipitation over 55 years |
cm |
116.8 |
8.9 |
9.7 |
11.4 |
10.4 |
10.7 |
10.2 |
11.2 |
8.6 |
7.9 |
7.1 |
9.4 |
10.4 |
Average dew point over 10 years |
°C |
7 |
-4 |
-2 |
1 |
5 |
11 |
16 |
19 |
17 |
14 |
7 |
2 |
-2 |
Average number of days with thunderstorms over 45 years |
days |
50 |
1 |
1 |
3 |
5 |
7 |
8 |
9 |
7 |
4 |
2 |
2 |
1 |
Average number of days with fog over 45 years |
days |
170 |
15 |
13 |
13 |
10 |
13 |
14 |
17 |
19 |
16 |
14 |
13 |
13 |
Average morning relative humidity over 10 years |
% |
78.7 |
73.4 |
73.6 |
75.3 |
72.9 |
80.1 |
80.9 |
85.1 |
85.5 |
84.2 |
82.2 |
76.4 |
74.7 |
Average evening relative humidity over 10 years |
% |
58.1 |
63.6 |
60.8 |
57.6 |
50.3 |
56.7 |
57 |
59.4 |
57.5 |
57.7 |
54.7 |
60.1 |
62.1 |
Average wind speed over 12 years |
km/h |
17.7 |
8.0 |
8.0 |
8.0 |
6.4 |
4.8 |
4.8 |
4.8 |
4.8 |
6.4 |
8.0 |
8.0 |
6.4 |
Average snowfall over 48 years |
cm |
39.4 |
13.7 |
10.2 |
6.9 |
0.3 |
- |
- |
- |
- |
- |
- |
3.0 |
4.8 |
Most rain reported in a day over 55 years |
cm |
12.4 |
8.1 |
12.4 |
12.2 |
10.7 |
9.9 |
9.4 |
9.1 |
9.1 |
11.2 |
9.4 |
8.1 |
11.4 |
Most rain reported in a month over 55 years |
cm |
182.9 |
37.3 |
33.5 |
32.0 |
27.7 |
29.7 |
26.7 |
24.4 |
24.1 |
31.5 |
18.3 |
22.6 |
27.4 |
Least rain reported in a month over 55 years |
cm |
74.9 |
1.0 |
1.0 |
2.8 |
2.5 |
2.0 |
1.3 |
1.5 |
0.3 |
0.3 |
0.3 |
1.8 |
2.0 |
Heating degree days over 49 years |
days |
4330 |
943 |
769 |
602 |
266 |
84 |
7 |
- |
1 |
41 |
230 |
541 |
846 |
Cooling degree days over 49 years |
days |
1411 |
- |
- |
3 |
34 |
114 |
285 |
393 |
357 |
183 |
39 |
3 |
- |
Average number of days below -12.5°C over 55 years |
days |
8 |
4 |
2 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days above 22°C over 12 years |
days |
55 |
- |
1 |
4 |
12 |
22 |
28 |
26 |
16 |
5 |
1 |
- |
115 |
Most snow reported in a month over 48 years |
cm |
109.0 |
62.2 |
33.0 |
48.5 |
2.5 |
- |
- |
- |
- |
- |
5.6 |
44.5 |
28.2 |
Average possibility of clouds over 10 years |
% |
56.2 |
68.4 |
64.4 |
62.5 |
55.3 |
58 |
53.9 |
46.7 |
43.6 |
44.4 |
48.7 |
61.1 |
67.7 |
Average number of snowy days over 48 years |
days |
13 |
4 |
3 |
2 |
1 |
- |
- |
- |
- |
- |
- |
1 |
2 |
Average number of days below -1°C over 55 years |
days |
88 |
23 |
19 |
13 |
2 |
- |
- |
- |
- |
- |
1 |
10 |
20 |
Most snow reported in a day over 48 years |
cm |
139.7 |
23.4 |
22.9 |
2.3 |
- |
- |
- |
- |
- |
5.6 |
36.3 |
12.2 |
37.1 |
Deepest snow cover reported over 48 years |
cm |
43.2 |
43.2 |
22.9 |
25.4 |
12.7 |
- |
- |
- |
- |
- |
- |
38.1 |
12.7 |
Average wet bulb point over 10 years |
°C |
10 |
0 |
0 |
5 |
9 |
14 |
18 |
21 |
20 |
16 |
10 |
5 |
0 |