Average temperature over 48 years |
°C |
10 |
-2 |
-1 |
3 |
10 |
15 |
20 |
22 |
21 |
17 |
11 |
5 |
0 |
Average high temperature over 48 years |
°C |
15 |
1 |
2 |
8 |
16 |
22 |
26 |
28 |
27 |
23 |
17 |
10 |
3 |
Average low temperature over 48 years |
°C |
4 |
-7 |
-6 |
-2 |
3 |
8 |
13 |
16 |
15 |
11 |
5 |
0 |
-5 |
Highest recorded temperature over 48 years |
°C |
39 |
20 |
21 |
30 |
33 |
35 |
38 |
39 |
37 |
38 |
32 |
28 |
19 |
Lowest recorded temperature over 48 years |
°C |
-28 |
-28 |
-25 |
-18 |
-9 |
-2 |
2 |
6 |
3 |
-1 |
-6 |
-13 |
-26 |
Average number of rainy days over 49 years |
days |
141 |
12 |
11 |
13 |
13 |
13 |
12 |
11 |
11 |
10 |
10 |
12 |
12 |
Average number of days above 27°C over 48 years |
days |
14 |
- |
- |
- |
- |
1 |
3 |
6 |
3 |
1 |
- |
- |
- |
Average precipitation over 47 years |
cm |
102.9 |
6.9 |
6.9 |
8.6 |
8.6 |
9.1 |
9.7 |
10.4 |
8.9 |
8.4 |
8.1 |
9.7 |
7.9 |
Average dew point over 46 years |
°C |
4 |
-7 |
-7 |
-3 |
1 |
8 |
13 |
16 |
16 |
12 |
6 |
0 |
-5 |
Most recorded rainfall over 47 years |
cm |
155.7 |
21.1 |
21.3 |
15.2 |
19.1 |
18.5 |
42.7 |
24.4 |
19.6 |
25.4 |
24.4 |
20.6 |
18.8 |
Least recorded rainfall over 47 years |
cm |
79.0 |
1.3 |
0.8 |
2.0 |
1.8 |
2.0 |
1.8 |
2.5 |
2.3 |
1.3 |
0.5 |
2.0 |
1.8 |
Average number of days with thunderstorms over 39 years |
days |
34 |
- |
- |
1 |
2 |
5 |
7 |
8 |
6 |
3 |
1 |
1 |
- |
Average number of days with fog over 39 years |
days |
207 |
14 |
12 |
14 |
13 |
16 |
19 |
21 |
24 |
23 |
20 |
16 |
15 |
Average morning relative humidity over 47 years |
% |
82 |
76 |
76 |
76 |
75 |
80 |
84 |
87 |
90 |
92 |
88 |
81 |
78 |
Average evening relative humidity over 47 years |
% |
55 |
60 |
56 |
51 |
47 |
49 |
52 |
53 |
55 |
57 |
55 |
61 |
63 |
Average wind speed over 46 years |
km/h |
16.1 |
19.3 |
19.3 |
19.3 |
17.7 |
14.5 |
14.5 |
12.9 |
12.9 |
12.9 |
14.5 |
17.7 |
17.7 |
Average number of days below -1.5°C over 48 years |
days |
127 |
28 |
25 |
21 |
8 |
1 |
- |
- |
- |
- |
5 |
15 |
25 |
Average number of days below -17.5°C over 30 years |
days |
4.2 |
2 |
1.3 |
0.1 |
- |
- |
- |
- |
- |
- |
- |
- |
0.8 |
Average snowfall over 49 years |
cm |
104.6 |
26.4 |
25.7 |
20.8 |
3.0 |
- |
- |
- |
- |
- |
0.3 |
7.6 |
20.8 |
Average number of days above 14.5°C over 48 years |
days |
170 |
- |
- |
2 |
11 |
24 |
29 |
31 |
31 |
26 |
14 |
2 |
- |
Average number of clear days over 49 years |
days |
67 |
5 |
5 |
6 |
6 |
6 |
6 |
6 |
6 |
5 |
7 |
4 |
4 |
Most rain reported in a day over 49 years |
cm |
22.1 |
6.6 |
6.9 |
6.1 |
5.8 |
6.9 |
22.1 |
7.1 |
10.9 |
10.2 |
11.2 |
8.6 |
8.4 |
Most rain reported in a month over 49 years |
cm |
155.7 |
21.1 |
21.3 |
15.2 |
19.3 |
18.5 |
42.7 |
24.6 |
19.6 |
25.4 |
24.4 |
20.6 |
18.8 |
Least rain reported in a month over 49 years |
cm |
79.0 |
1.3 |
1.5 |
2.3 |
1.8 |
2.0 |
1.8 |
2.5 |
2.3 |
1.3 |
0.5 |
2.3 |
1.8 |
Heating degree days over 30 years |
days |
6087 |
1234 |
1036 |
834 |
477 |
200 |
30 |
- |
9 |
106 |
408 |
696 |
1057 |
Cooling degree days over 30 years |
days |
622 |
- |
- |
- |
- |
29 |
114 |
229 |
189 |
61 |
- |
- |
- |
Average number of cloudy days over 49 years |
days |
188 |
19 |
16 |
17 |
16 |
15 |
12 |
12 |
12 |
14 |
15 |
19 |
20 |
Average number of partly cloudy days over 49 years |
days |
110 |
7 |
7 |
8 |
8 |
10 |
12 |
13 |
13 |
11 |
9 |
7 |
7 |
Average number of days below -15°C over 48 years |
days |
9 |
4 |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |
Most snow reported in a month over 49 years |
cm |
196.3 |
101.9 |
87.1 |
74.9 |
35.1 |
0.5 |
- |
- |
- |
- |
2.5 |
35.1 |
90.2 |