Average temperature over 45 years |
°C |
16 |
5 |
7 |
11 |
16 |
20 |
24 |
26 |
25 |
22 |
16 |
11 |
6 |
Average high temperature over 45 years |
°C |
21 |
10 |
12 |
16 |
21 |
26 |
29 |
31 |
30 |
27 |
22 |
16 |
11 |
Average low temperature over 45 years |
°C |
10 |
0 |
2 |
5 |
10 |
15 |
18 |
21 |
20 |
17 |
10 |
5 |
1 |
Highest recorded temperature over 45 years |
°C |
40 |
25 |
26 |
29 |
32 |
34 |
37 |
38 |
40 |
37 |
35 |
28 |
25 |
Lowest recorded temperature over 45 years |
°C |
-20 |
-20 |
-16 |
-12 |
-2 |
3 |
7 |
12 |
12 |
0 |
-5 |
-15 |
-18 |
Average number of rainy days over 45 years |
days |
116 |
11 |
11 |
11 |
9 |
9 |
10 |
12 |
10 |
8 |
6 |
9 |
10 |
Average number of days above 27°C over 12 years |
days |
45 |
- |
- |
- |
1 |
7 |
12 |
9 |
3 |
- |
- |
- |
32 |
Average precipitation over 45 years |
cm |
133.3 |
12.7 |
12.2 |
14.5 |
10.9 |
11.2 |
9.4 |
12.4 |
9.7 |
9.1 |
7.9 |
9.7 |
11.7 |
Average dew point over 10 years |
°C |
9 |
-1 |
0 |
3 |
7 |
13 |
17 |
19 |
19 |
16 |
10 |
5 |
0 |
Average number of days with thunderstorms over 45 years |
days |
49 |
1 |
2 |
3 |
4 |
6 |
8 |
11 |
8 |
3 |
1 |
1 |
1 |
Average number of days with fog over 45 years |
days |
175 |
14 |
12 |
13 |
11 |
14 |
15 |
17 |
19 |
18 |
14 |
14 |
14 |
Average morning relative humidity over 10 years |
% |
78.2 |
73.5 |
73 |
73.3 |
74.3 |
78.9 |
80.5 |
82 |
84.4 |
83.5 |
81.4 |
78.1 |
74.7 |
Average evening relative humidity over 10 years |
% |
54.6 |
55.5 |
53 |
50.8 |
47 |
53 |
55.1 |
56.9 |
58.1 |
59 |
53.5 |
56.2 |
56.7 |
Average wind speed over 12 years |
km/h |
17.7 |
9.7 |
8.0 |
8.0 |
6.4 |
4.8 |
6.4 |
4.8 |
6.4 |
6.4 |
8.0 |
8.0 |
6.4 |
Average snowfall over 41 years |
cm |
4.8 |
2.0 |
1.5 |
1.5 |
- |
- |
- |
- |
- |
- |
- |
- |
1.0 |
Most rain reported in a day over 45 years |
cm |
12.4 |
11.9 |
11.2 |
12.4 |
9.9 |
10.9 |
8.1 |
10.2 |
7.6 |
9.9 |
11.4 |
12.4 |
7.6 |
Most rain reported in a month over 45 years |
cm |
198.9 |
31.5 |
28.4 |
35.1 |
32.0 |
22.6 |
26.4 |
30.2 |
23.4 |
26.4 |
21.3 |
38.9 |
31.2 |
Least rain reported in a month over 45 years |
cm |
93.5 |
1.8 |
2.0 |
4.1 |
1.0 |
0.5 |
2.0 |
1.3 |
1.3 |
- |
0.5 |
- |
1.5 |
Heating degree days over 46 years |
days |
2956 |
644 |
483 |
420 |
172 |
29 |
- |
- |
- |
12 |
132 |
419 |
645 |
Cooling degree days over 46 years |
days |
1767 |
- |
- |
9 |
41 |
185 |
348 |
454 |
425 |
245 |
54 |
5 |
1 |
Most snow reported in a month over 41 years |
cm |
33.3 |
15.2 |
13.2 |
32.5 |
2.5 |
- |
- |
- |
- |
- |
- |
2.3 |
13.0 |
Average possibility of clouds over 10 years |
% |
54.9 |
62.1 |
60.8 |
59.4 |
51.9 |
56.1 |
53.2 |
56 |
53.2 |
50 |
44.7 |
52.5 |
60 |
Average number of snowy days over 41 years |
days |
4 |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Average number of days below -1°C over 45 years |
days |
53 |
15 |
11 |
6 |
1 |
- |
- |
- |
- |
- |
1 |
6 |
13 |
Average number of days below -7.5°C over 45 years |
days |
7 |
3 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
Most snow reported in a day over 41 years |
cm |
56.1 |
10.2 |
15.7 |
2.5 |
- |
- |
- |
- |
- |
- |
2.3 |
9.7 |
15.7 |
Deepest snow cover reported over 41 years |
cm |
15.2 |
10.2 |
7.6 |
15.2 |
- |
- |
- |
- |
- |
- |
- |
- |
2.5 |
Average wet bulb point over 10 years |
°C |
12 |
3 |
5 |
7 |
11 |
16 |
20 |
21 |
21 |
18 |
13 |
8 |
4 |