Average temperature over 50 years |
°C |
8 |
-5 |
-4 |
1 |
8 |
14 |
19 |
22 |
21 |
16 |
10 |
4 |
-2 |
Average high temperature over 50 years |
°C |
14 |
0 |
0 |
6 |
14 |
21 |
25 |
28 |
27 |
22 |
16 |
8 |
1 |
Average low temperature over 50 years |
°C |
2 |
-10 |
-10 |
-3 |
2 |
7 |
12 |
15 |
14 |
10 |
3 |
0 |
-7 |
Highest recorded temperature over 50 years |
°C |
37 |
18 |
19 |
30 |
33 |
34 |
37 |
37 |
37 |
37 |
31 |
27 |
21 |
Lowest recorded temperature over 50 years |
°C |
-33 |
-33 |
-29 |
-29 |
-12 |
-3 |
2 |
4 |
1 |
-4 |
-8 |
-15 |
-30 |
Average number of rainy days over 47 years |
days |
135 |
12 |
11 |
12 |
12 |
13 |
11 |
10 |
10 |
10 |
9 |
12 |
12 |
Average number of days above 27°C over 50 years |
days |
11 |
- |
- |
- |
- |
- |
2 |
5 |
3 |
1 |
- |
- |
- |
Average precipitation over 50 years |
cm |
90.7 |
6.1 |
5.8 |
7.4 |
7.6 |
8.9 |
8.4 |
7.9 |
8.4 |
7.6 |
7.6 |
7.9 |
7.4 |
Average dew point over 51 years |
°C |
3 |
-10 |
-9 |
-5 |
0 |
7 |
12 |
15 |
15 |
11 |
5 |
0 |
-6 |
Most recorded rainfall over 50 years |
cm |
119.9 |
16.3 |
12.7 |
15.0 |
20.1 |
22.9 |
18.8 |
17.8 |
18.5 |
20.1 |
22.4 |
20.6 |
17.0 |
Least recorded rainfall over 50 years |
cm |
54.6 |
1.0 |
0.5 |
0.8 |
2.8 |
2.5 |
1.5 |
1.3 |
1.8 |
1.0 |
0.5 |
1.5 |
1.5 |
Average number of days with thunderstorms over 50 years |
days |
24 |
- |
- |
1 |
1 |
3 |
5 |
6 |
5 |
2 |
1 |
- |
- |
Average number of days with fog over 50 years |
days |
152 |
10 |
9 |
11 |
9 |
12 |
13 |
14 |
17 |
17 |
15 |
13 |
12 |
Average morning relative humidity over 51 years |
% |
80 |
77 |
77 |
76 |
72 |
74 |
77 |
80 |
85 |
88 |
86 |
82 |
80 |
Average evening relative humidity over 51 years |
% |
57 |
64 |
59 |
54 |
48 |
50 |
53 |
53 |
55 |
57 |
56 |
64 |
67 |
Average wind speed over 51 years |
km/h |
17.7 |
22.5 |
22.5 |
22.5 |
22.5 |
16.1 |
14.5 |
12.9 |
12.9 |
14.5 |
14.5 |
20.9 |
20.9 |
Average number of days below -1.5°C over 50 years |
days |
147 |
29 |
26 |
25 |
11 |
2 |
- |
- |
- |
1 |
8 |
18 |
28 |
Average number of days below -17.5°C over 30 years |
days |
1.7 |
0.7 |
0.6 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.3 |
Average snowfall over 47 years |
cm |
160.8 |
40.6 |
36.1 |
28.2 |
6.9 |
0.3 |
- |
- |
- |
- |
0.5 |
10.4 |
37.8 |
Average number of days above 14.5°C over 50 years |
days |
159 |
- |
- |
2 |
8 |
22 |
28 |
31 |
31 |
24 |
12 |
2 |
- |
Average number of clear days over 55 years |
days |
69 |
5 |
6 |
6 |
6 |
5 |
5 |
6 |
7 |
8 |
8 |
4 |
5 |
Most rain reported in a day over 123 years |
cm |
10.4 |
4.6 |
4.8 |
5.8 |
5.1 |
5.6 |
8.9 |
8.9 |
10.4 |
8.9 |
7.9 |
8.4 |
8.1 |
Most rain reported in a month over 123 years |
cm |
125.5 |
16.3 |
12.7 |
15.0 |
20.3 |
22.9 |
20.8 |
17.8 |
19.3 |
22.6 |
22.4 |
20.6 |
17.0 |
Least rain reported in a month over 123 years |
cm |
54.9 |
1.0 |
0.5 |
0.3 |
1.5 |
0.5 |
1.8 |
1.3 |
1.3 |
1.0 |
0.3 |
1.0 |
1.0 |
Heating degree days over 30 years |
days |
6894 |
1376 |
1162 |
952 |
558 |
247 |
34 |
- |
12 |
141 |
459 |
759 |
1194 |
Cooling degree days over 30 years |
days |
507 |
- |
- |
- |
- |
18 |
91 |
213 |
155 |
30 |
- |
- |
- |
Average possibility of sunshine over 55 years |
% |
52 |
46 |
52 |
53 |
54 |
56 |
60 |
63 |
60 |
57 |
52 |
36 |
38 |
Average number of cloudy days over 55 years |
days |
185 |
18 |
15 |
17 |
16 |
17 |
14 |
12 |
12 |
12 |
14 |
18 |
19 |
Average number of partly cloudy days over 55 years |
days |
111 |
8 |
7 |
8 |
8 |
9 |
11 |
13 |
12 |
10 |
9 |
8 |
7 |
Average number of days below -15°C over 50 years |
days |
22 |
9 |
7 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
5 |
Most snow reported in a month over 123 years |
cm |
224.3 |
106.7 |
72.6 |
87.1 |
4.8 |
- |
- |
- |
- |
- |
- |
14.7 |
63.8 |