Average temperature over 41 years |
°C |
8 |
-7 |
-4 |
1 |
8 |
15 |
20 |
22 |
21 |
17 |
11 |
3 |
-3 |
Average high temperature over 41 years |
°C |
14 |
-2 |
0 |
6 |
15 |
21 |
27 |
28 |
27 |
23 |
16 |
7 |
0 |
Average low temperature over 41 years |
°C |
3 |
-12 |
-9 |
-3 |
2 |
8 |
14 |
16 |
16 |
11 |
4 |
-1 |
-8 |
Highest recorded temperature over 41 years |
°C |
40 |
17 |
20 |
29 |
32 |
35 |
38 |
38 |
40 |
38 |
32 |
24 |
18 |
Lowest recorded temperature over 41 years |
°C |
-32 |
-32 |
-30 |
-23 |
-15 |
-4 |
2 |
6 |
5 |
-2 |
-9 |
-23 |
-31 |
Average number of rainy days over 43 years |
days |
118 |
9 |
8 |
11 |
12 |
11 |
10 |
10 |
9 |
9 |
9 |
9 |
10 |
Average number of days above 27°C over 41 years |
days |
15 |
- |
- |
- |
- |
1 |
4 |
6 |
4 |
1 |
- |
- |
- |
Average precipitation over 41 years |
cm |
94.2 |
3.6 |
3.0 |
6.6 |
9.9 |
9.1 |
11.9 |
10.9 |
10.2 |
9.7 |
7.6 |
6.9 |
5.1 |
Average dew point over 41 years |
°C |
3 |
-10 |
-8 |
-3 |
2 |
8 |
13 |
16 |
16 |
11 |
5 |
-1 |
-7 |
Most recorded rainfall over 41 years |
cm |
143.5 |
11.9 |
7.6 |
14.2 |
25.1 |
17.8 |
30.0 |
30.0 |
34.3 |
27.2 |
21.1 |
14.0 |
12.7 |
Least recorded rainfall over 41 years |
cm |
59.2 |
0.5 |
- |
1.5 |
2.5 |
1.3 |
1.3 |
2.0 |
1.8 |
- |
- |
1.0 |
1.0 |
Average number of days with thunderstorms over 41 years |
days |
41 |
- |
- |
2 |
4 |
5 |
8 |
8 |
6 |
5 |
2 |
1 |
- |
Average number of days with fog over 41 years |
days |
146 |
12 |
11 |
12 |
11 |
11 |
8 |
12 |
16 |
14 |
12 |
13 |
14 |
Average morning relative humidity over 41 years |
% |
84 |
80 |
81 |
82 |
80 |
80 |
81 |
86 |
90 |
90 |
86 |
83 |
83 |
Average evening relative humidity over 41 years |
% |
58 |
69 |
64 |
60 |
51 |
50 |
51 |
53 |
56 |
54 |
53 |
63 |
70 |
Average wind speed over 41 years |
km/h |
16.1 |
19.3 |
19.3 |
19.3 |
19.3 |
16.1 |
14.5 |
12.9 |
12.9 |
12.9 |
14.5 |
16.1 |
19.3 |
Average number of days below -1.5°C over 41 years |
days |
145 |
30 |
26 |
24 |
9 |
1 |
- |
- |
- |
- |
7 |
20 |
28 |
Average snowfall over 43 years |
cm |
89.7 |
21.8 |
17.0 |
16.8 |
3.6 |
- |
- |
- |
- |
- |
0.3 |
6.6 |
23.6 |
Average number of days above 14.5°C over 41 years |
days |
165 |
- |
- |
2 |
9 |
23 |
29 |
31 |
31 |
26 |
13 |
2 |
- |
Average number of clear days over 43 years |
days |
93 |
7 |
7 |
6 |
6 |
8 |
7 |
9 |
9 |
10 |
10 |
6 |
7 |
Heating degree days over 30 years |
days |
6969 |
1451 |
1179 |
930 |
519 |
239 |
24 |
5 |
15 |
99 |
427 |
810 |
1271 |
Cooling degree days over 30 years |
days |
702 |
- |
- |
- |
- |
56 |
138 |
259 |
198 |
42 |
9 |
- |
- |
Average number of cloudy days over 43 years |
days |
174 |
17 |
15 |
17 |
16 |
14 |
12 |
10 |
11 |
11 |
13 |
18 |
18 |
Average number of partly cloudy days over 43 years |
days |
98 |
7 |
6 |
8 |
8 |
9 |
11 |
12 |
11 |
9 |
8 |
6 |
6 |
Average number of days below -15°C over 41 years |
days |
26 |
12 |
7 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
6 |