Average temperature over 43 years |
°C |
9 |
-3 |
-2 |
1 |
7 |
13 |
18 |
21 |
21 |
17 |
11 |
5 |
0 |
Average high temperature over 43 years |
°C |
13 |
0 |
1 |
6 |
12 |
18 |
23 |
26 |
25 |
21 |
16 |
9 |
2 |
Average low temperature over 43 years |
°C |
5 |
-6 |
-7 |
-2 |
2 |
8 |
13 |
16 |
16 |
12 |
6 |
2 |
-3 |
Highest recorded temperature over 43 years |
°C |
37 |
22 |
18 |
27 |
31 |
32 |
37 |
37 |
34 |
37 |
31 |
27 |
23 |
Lowest recorded temperature over 43 years |
°C |
-27 |
-27 |
-27 |
-23 |
-11 |
-3 |
0 |
6 |
2 |
0 |
-4 |
-13 |
-21 |
Average number of rainy days over 40 years |
days |
165 |
18 |
15 |
15 |
14 |
12 |
10 |
10 |
11 |
11 |
13 |
17 |
19 |
Average number of days above 27°C over 43 years |
days |
3 |
- |
- |
- |
- |
- |
1 |
1 |
1 |
- |
- |
- |
- |
Average precipitation over 43 years |
cm |
102.9 |
6.3 |
5.8 |
7.9 |
8.4 |
8.6 |
9.7 |
8.4 |
9.9 |
10.4 |
9.1 |
10.2 |
8.6 |
Average dew point over 48 years |
°C |
4 |
-7 |
-6 |
-3 |
1 |
7 |
13 |
16 |
15 |
12 |
6 |
0 |
-4 |
Most recorded rainfall over 43 years |
cm |
156.7 |
14.0 |
14.5 |
17.3 |
18.0 |
19.8 |
19.6 |
19.6 |
28.2 |
26.9 |
25.1 |
26.4 |
17.5 |
Least recorded rainfall over 43 years |
cm |
71.4 |
2.3 |
1.5 |
1.5 |
4.1 |
2.5 |
2.0 |
1.5 |
2.5 |
3.3 |
1.0 |
3.8 |
3.6 |
Average number of days with thunderstorms over 42 years |
days |
36 |
- |
- |
2 |
3 |
4 |
6 |
7 |
7 |
4 |
2 |
1 |
- |
Average number of days with fog over 42 years |
days |
140 |
12 |
12 |
14 |
12 |
12 |
11 |
10 |
11 |
11 |
10 |
12 |
13 |
Average morning relative humidity over 48 years |
% |
78 |
78 |
79 |
78 |
75 |
75 |
78 |
79 |
82 |
81 |
77 |
76 |
77 |
Average evening relative humidity over 48 years |
% |
65 |
73 |
72 |
67 |
60 |
58 |
60 |
61 |
62 |
63 |
64 |
69 |
73 |
Average wind speed over 48 years |
km/h |
17.7 |
20.9 |
20.9 |
20.9 |
20.9 |
14.5 |
14.5 |
12.9 |
12.9 |
14.5 |
16.1 |
19.3 |
20.9 |
Average number of days below -1.5°C over 43 years |
days |
124 |
28 |
25 |
23 |
11 |
1 |
- |
- |
- |
- |
1 |
11 |
24 |
Average number of days below -17.5°C over 30 years |
days |
2.9 |
1.3 |
1.3 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.2 |
Average snowfall over 39 years |
cm |
217.2 |
57.9 |
40.9 |
26.4 |
6.9 |
- |
- |
- |
- |
- |
0.8 |
26.2 |
58.2 |
Average number of days above 14.5°C over 43 years |
days |
152 |
- |
- |
2 |
7 |
16 |
27 |
31 |
31 |
24 |
11 |
2 |
- |
Average number of clear days over 38 years |
days |
63 |
2 |
2 |
5 |
6 |
7 |
8 |
8 |
9 |
7 |
6 |
3 |
1 |
Most rain reported in a day over 71 years |
cm |
26.4 |
3.3 |
5.3 |
4.6 |
7.6 |
5.6 |
11.7 |
26.4 |
8.4 |
11.9 |
11.2 |
6.6 |
5.3 |
Most rain reported in a month over 71 years |
cm |
156.7 |
15.5 |
14.5 |
17.3 |
22.6 |
19.8 |
21.3 |
33.8 |
28.2 |
27.2 |
25.1 |
26.4 |
17.8 |
Least rain reported in a month over 71 years |
cm |
60.7 |
2.3 |
1.5 |
1.5 |
3.0 |
1.5 |
2.0 |
1.8 |
0.8 |
3.3 |
0.8 |
3.8 |
1.8 |
Heating degree days over 30 years |
days |
6279 |
1228 |
1098 |
902 |
567 |
268 |
52 |
- |
12 |
89 |
370 |
654 |
1039 |
Cooling degree days over 30 years |
days |
550 |
- |
- |
- |
- |
17 |
97 |
199 |
171 |
59 |
7 |
- |
- |
Average number of cloudy days over 38 years |
days |
205 |
25 |
20 |
19 |
16 |
14 |
11 |
10 |
11 |
13 |
17 |
23 |
26 |
Average number of partly cloudy days over 38 years |
days |
97 |
4 |
6 |
7 |
8 |
10 |
11 |
13 |
11 |
10 |
8 |
4 |
4 |
Average number of days below -15°C over 43 years |
days |
9 |
4 |
4 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Most snow reported in a month over 71 years |
cm |
359.7 |
158.5 |
93.7 |
80.8 |
43.7 |
1.0 |
- |
- |
- |
- |
11.7 |
92.2 |
169.9 |