Average temperature over 34 years |
°C |
12 |
0 |
2 |
7 |
13 |
17 |
22 |
24 |
23 |
20 |
13 |
8 |
2 |
Average high temperature over 34 years |
°C |
18 |
5 |
7 |
13 |
19 |
23 |
28 |
30 |
28 |
25 |
19 |
13 |
7 |
Average low temperature over 34 years |
°C |
7 |
-4 |
-3 |
1 |
6 |
11 |
16 |
18 |
17 |
13 |
7 |
2 |
-1 |
Highest recorded temperature over 34 years |
°C |
38 |
23 |
26 |
30 |
33 |
33 |
37 |
38 |
37 |
36 |
30 |
27 |
26 |
Lowest recorded temperature over 34 years |
°C |
-29 |
-29 |
-21 |
-18 |
-6 |
-2 |
4 |
7 |
6 |
0 |
-8 |
-13 |
-25 |
Average number of rainy days over 32 years |
days |
140 |
14 |
13 |
14 |
13 |
12 |
11 |
12 |
9 |
9 |
9 |
11 |
13 |
Average number of days above 27°C over 34 years |
days |
21 |
- |
- |
- |
- |
1 |
4 |
8 |
6 |
1 |
- |
- |
- |
Average precipitation over 34 years |
cm |
105.2 |
7.4 |
7.4 |
10.2 |
8.4 |
10.7 |
8.6 |
11.4 |
9.9 |
7.4 |
6.9 |
8.4 |
8.6 |
Average dew point over 34 years |
°C |
6 |
-5 |
-4 |
0 |
4 |
11 |
16 |
18 |
18 |
14 |
7 |
1 |
-2 |
Average number of days above 17°C over 34 years |
days |
179 |
- |
1 |
6 |
14 |
23 |
29 |
31 |
31 |
25 |
14 |
5 |
1 |
Most recorded rainfall over 34 years |
cm |
152.4 |
16.3 |
22.1 |
21.8 |
16.8 |
23.6 |
19.3 |
21.8 |
17.5 |
16.0 |
14.5 |
18.8 |
22.1 |
Least recorded rainfall over 34 years |
cm |
76.2 |
1.5 |
1.3 |
2.8 |
1.8 |
2.3 |
1.0 |
3.6 |
1.8 |
0.8 |
- |
1.8 |
0.8 |
Average number of days with thunderstorms over 34 years |
days |
42 |
- |
1 |
3 |
4 |
6 |
7 |
9 |
7 |
3 |
1 |
1 |
- |
Average number of days with fog over 34 years |
days |
198 |
12 |
11 |
12 |
11 |
18 |
20 |
24 |
26 |
23 |
16 |
13 |
12 |
Average morning relative humidity over 34 years |
% |
83 |
78 |
77 |
76 |
76 |
85 |
88 |
90 |
92 |
92 |
87 |
80 |
79 |
Average evening relative humidity over 34 years |
% |
55 |
61 |
56 |
50 |
45 |
51 |
55 |
57 |
57 |
57 |
51 |
56 |
62 |
Average wind speed over 34 years |
km/h |
12.9 |
16.1 |
14.5 |
16.1 |
16.1 |
9.7 |
9.7 |
9.7 |
9.7 |
9.7 |
6.4 |
12.9 |
12.9 |
Average number of days below -1.5°C over 34 years |
days |
96 |
24 |
20 |
13 |
4 |
- |
- |
- |
- |
- |
3 |
11 |
20 |
Average snowfall over 32 years |
cm |
65.3 |
21.1 |
18.5 |
10.9 |
1.5 |
- |
- |
- |
- |
- |
0.3 |
3.0 |
9.9 |
Average number of clear days over 32 years |
days |
63 |
5 |
4 |
5 |
5 |
6 |
5 |
5 |
5 |
6 |
9 |
5 |
5 |
Heating degree days over 30 years |
days |
4665 |
1023 |
837 |
589 |
298 |
121 |
11 |
- |
7 |
53 |
300 |
555 |
871 |
Cooling degree days over 30 years |
days |
1005 |
- |
- |
- |
7 |
83 |
188 |
301 |
271 |
131 |
24 |
- |
- |
Average number of cloudy days over 32 years |
days |
203 |
20 |
19 |
19 |
17 |
16 |
14 |
14 |
14 |
14 |
14 |
19 |
21 |
Average number of partly cloudy days over 32 years |
days |
99 |
6 |
5 |
7 |
8 |
9 |
11 |
12 |
12 |
10 |
8 |
6 |
5 |
Average number of days below -12.5°C over 34 years |
days |
10 |
5 |
3 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
2 |