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Weather Averages for
Apostle Islands National Lak, WI
Latitude: 46°52'N,
Longitude: 90°49'W,
Elevation: 820.0 ft,
Distance: 4.43 mi
Average temperature over 30 years |
°F |
40 |
11 |
14 |
26 |
39 |
51 |
60 |
66 |
64 |
55 |
45 |
31 |
17 |
Average high temperature over 30 years |
°F |
50 |
20 |
25 |
36 |
50 |
63 |
72 |
78 |
75 |
65 |
55 |
39 |
25 |
Average low temperature over 30 years |
°F |
30 |
1 |
3 |
16 |
29 |
39 |
47 |
55 |
54 |
46 |
36 |
23 |
9 |
Highest recorded temperature over 101 years |
°F |
104 |
53 |
60 |
78 |
89 |
95 |
98 |
104 |
98 |
98 |
87 |
75 |
60 |
Lowest recorded temperature over 101 years |
°F |
-34 |
-34 |
-34 |
-20 |
1 |
19 |
21 |
36 |
34 |
26 |
15 |
-13 |
-23 |
Average number of days above 90°F over 30 years |
days |
2.1 |
- |
- |
- |
- |
0.1 |
0.3 |
0.9 |
0.7 |
0.2 |
- |
- |
- |
Average precipitation over 30 years |
in |
32.3 |
1.6 |
0.9 |
2.2 |
2.1 |
3.3 |
3.5 |
3.5 |
4.2 |
4.1 |
2.9 |
2.3 |
1.8 |
Average number of days below 32°F over 30 years |
days |
91 |
16 |
15 |
14 |
9.8 |
2.5 |
0.1 |
- |
- |
0.4 |
4.3 |
13 |
16 |
Average number of days below 0°F over 30 years |
days |
16 |
6.3 |
5 |
1.5 |
- |
- |
- |
- |
- |
- |
- |
0.3 |
2.9 |
Average snowfall over 30 years |
in |
83.9 |
23.5 |
10.4 |
13.1 |
4.3 |
0.3 |
- |
- |
- |
- |
0.5 |
11.4 |
25.5 |
Most rain reported in a day over 101 years |
in |
8.5 |
1.3 |
1.2 |
4.1 |
2.4 |
3.3 |
3.0 |
8.5 |
4.7 |
4.6 |
2.0 |
2.8 |
1.7 |
Most rain reported in a month over 101 years |
in |
46.0 |
3.6 |
3.1 |
8.0 |
5.5 |
9.2 |
7.3 |
11.5 |
11.3 |
9.0 |
5.9 |
8.1 |
3.7 |
Least rain reported in a month over 101 years |
in |
14.9 |
0.1 |
- |
- |
0.1 |
0.4 |
1.1 |
0.4 |
0.7 |
0.4 |
0.2 |
- |
- |
Heating degree days over 30 years |
days |
8761 |
1609 |
1352 |
1152 |
737 |
423 |
173 |
44 |
72 |
261 |
573 |
965 |
1400 |
Cooling degree days over 30 years |
days |
261 |
- |
- |
- |
1 |
7 |
36 |
110 |
86 |
19 |
2 |
- |
- |
Most snow reported in a month over 101 years |
in |
169.4 |
45.3 |
24.4 |
37.9 |
16.9 |
8.0 |
- |
- |
- |
- |
6.5 |
54.8 |
58.3 |
Check weather averages for nearby locations (some locations might offer more data):
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