Average temperature over 41 years |
°C |
17 |
6 |
8 |
12 |
17 |
21 |
25 |
27 |
26 |
23 |
17 |
12 |
7 |
Average high temperature over 41 years |
°C |
22 |
11 |
13 |
18 |
23 |
27 |
31 |
32 |
32 |
29 |
23 |
17 |
12 |
Average low temperature over 41 years |
°C |
11 |
0 |
2 |
6 |
11 |
15 |
20 |
21 |
21 |
17 |
10 |
5 |
2 |
Highest recorded temperature over 41 years |
°C |
41 |
27 |
28 |
31 |
34 |
35 |
40 |
40 |
41 |
38 |
33 |
28 |
28 |
Lowest recorded temperature over 41 years |
°C |
-18 |
-18 |
-12 |
-9 |
-2 |
3 |
6 |
12 |
10 |
2 |
-1 |
-9 |
-18 |
Average number of rainy days over 41 years |
days |
114 |
11 |
10 |
11 |
9 |
9 |
9 |
11 |
9 |
8 |
7 |
9 |
11 |
Average number of days above 27°C over 12 years |
days |
41 |
- |
- |
- |
4 |
14 |
20 |
18 |
8 |
1 |
- |
- |
65 |
Average precipitation over 41 years |
cm |
144.3 |
13.0 |
13.2 |
15.7 |
14.7 |
13.5 |
8.9 |
11.4 |
9.4 |
9.1 |
8.4 |
11.7 |
14.7 |
Average dew point over 10 years |
°C |
11 |
0 |
2 |
5 |
9 |
15 |
18 |
21 |
20 |
17 |
11 |
6 |
2 |
Average number of days with thunderstorms over 41 years |
days |
64 |
2 |
3 |
5 |
6 |
7 |
9 |
12 |
9 |
5 |
2 |
2 |
2 |
Average number of days with fog over 41 years |
days |
198 |
15 |
13 |
13 |
14 |
17 |
17 |
19 |
22 |
20 |
19 |
15 |
14 |
Average morning relative humidity over 10 years |
% |
82.9 |
83.2 |
82.1 |
78.5 |
79.6 |
82.4 |
80.6 |
84.5 |
84.9 |
86.1 |
87.1 |
83.6 |
81.9 |
Average evening relative humidity over 10 years |
% |
54.7 |
60.1 |
56.7 |
51.2 |
49.3 |
55 |
52.8 |
56.7 |
53.7 |
54.7 |
52.4 |
54.9 |
59.2 |
Average wind speed over 12 years |
km/h |
17.7 |
8.0 |
8.0 |
6.4 |
6.4 |
4.8 |
4.8 |
4.8 |
4.8 |
4.8 |
8.0 |
8.0 |
6.4 |
Average snowfall over 41 years |
cm |
5.3 |
2.8 |
1.3 |
0.8 |
- |
- |
- |
- |
- |
- |
- |
- |
1.0 |
Most rain reported in a day over 41 years |
cm |
17.0 |
17.0 |
10.9 |
15.5 |
14.7 |
10.4 |
8.4 |
12.2 |
10.4 |
11.7 |
13.2 |
9.4 |
15.2 |
Most rain reported in a month over 41 years |
cm |
202.4 |
33.0 |
25.4 |
41.1 |
37.1 |
32.3 |
17.3 |
28.4 |
23.6 |
27.7 |
21.3 |
27.2 |
39.1 |
Least rain reported in a month over 41 years |
cm |
91.4 |
2.0 |
3.6 |
4.1 |
1.5 |
3.6 |
1.0 |
1.5 |
1.8 |
0.5 |
- |
1.8 |
2.8 |
Heating degree days over 34 years |
days |
2710 |
695 |
505 |
319 |
110 |
17 |
- |
- |
- |
9 |
121 |
337 |
597 |
Cooling degree days over 34 years |
days |
2101 |
- |
3 |
22 |
75 |
221 |
399 |
513 |
479 |
297 |
76 |
13 |
3 |
Most snow reported in a month over 41 years |
cm |
27.9 |
18.8 |
27.9 |
9.7 |
3.8 |
- |
- |
- |
- |
- |
- |
2.5 |
20.3 |
Average possibility of clouds over 10 years |
% |
51.4 |
59.2 |
61.5 |
57.9 |
50.5 |
53.9 |
49 |
45 |
41.6 |
40.5 |
42.6 |
53.8 |
61.9 |
Average number of snowy days over 41 years |
days |
4 |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days below -1°C over 41 years |
days |
52 |
16 |
11 |
4 |
1 |
- |
- |
- |
- |
- |
1 |
6 |
13 |
Average number of days below -7.5°C over 41 years |
days |
6 |
3 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Most snow reported in a day over 41 years |
cm |
66.5 |
17.8 |
7.6 |
3.0 |
- |
- |
- |
- |
- |
- |
1.8 |
17.8 |
18.5 |
Deepest snow cover reported over 41 years |
cm |
20.3 |
17.8 |
20.3 |
2.5 |
5.1 |
- |
- |
- |
- |
- |
- |
- |
10.2 |
Average wet bulb point over 10 years |
°C |
13 |
3 |
6 |
9 |
12 |
17 |
21 |
22 |
22 |
19 |
13 |
9 |
5 |