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Weather Averages for
Casey 66.72S 112.93E, Antarctica
Latitude: 66°17'S,
Longitude: 110°31'E,
Elevation: 134.0 ft,
Distance: 71.71 mi
Average temperature
over 30 years |
°F |
16 |
33 |
28 |
19 |
10 |
8 |
6 |
6 |
5 |
6 |
12 |
21 |
31 |
Average high temperature
over 30 years |
°F |
21 |
37 |
33 |
24 |
17 |
14 |
14 |
12 |
12 |
12 |
19 |
28 |
35 |
Average low temperature
over 30 years |
°F |
8 |
28 |
24 |
15 |
5 |
1 |
- |
- |
0 |
- |
5 |
16 |
26 |
Highest recorded temperature
over 30 years |
°F |
48 |
48 |
44 |
39 |
37 |
37 |
39 |
37 |
37 |
37 |
39 |
43 |
46 |
Lowest recorded temperature
over 30 years |
°F |
-41 |
15 |
5 |
-14 |
-25 |
-29 |
-27 |
-41 |
-36 |
-29 |
-23 |
-7 |
3 |
Average precipitation
over 25 years |
in |
11.4 |
0.9 |
0.9 |
1.2 |
1.1 |
1.2 |
1.4 |
1.2 |
0.8 |
0.9 |
0.8 |
0.5 |
0.5 |
Average dew point
over 29 years |
°F |
8 |
23 |
19 |
12 |
3 |
1 |
- |
- |
0 |
- |
3 |
12 |
21 |
Most recorded rainfall
over 25 years |
in |
27.4 |
6.6 |
8.7 |
5.0 |
4.4 |
4.3 |
6.0 |
2.8 |
3.6 |
3.8 |
2.3 |
1.3 |
2.7 |
Least recorded rainfall
over 25 years |
in |
5.3 |
0.1 |
0.1 |
0.2 |
0.1 |
0.1 |
0.2 |
0.1 |
- |
0.1 |
- |
- |
- |
Average number of days with fog
over 30 years |
days |
17 |
2 |
1 |
1 |
1 |
2 |
1 |
2 |
2 |
2 |
1 |
1 |
1 |
Average morning relative humidity
over 29 years |
% |
73 |
71 |
72 |
75 |
75 |
76 |
75 |
76 |
75 |
75 |
72 |
70 |
70 |
Average evening relative humidity
over 29 years |
% |
72 |
68 |
68 |
72 |
74 |
75 |
75 |
75 |
73 |
73 |
70 |
67 |
68 |
Average wind speed
over 29 years |
mph |
27.0 |
26.0 |
23.0 |
25.0 |
11.0 |
11.0 |
35.0 |
37.0 |
36.0 |
33.0 |
31.0 |
27.0 |
27.0 |
Average number of days below 0°F
over 30 years |
days |
105 |
- |
- |
2 |
11 |
15 |
15 |
17 |
18 |
17 |
10 |
1 |
- |
Average number of days above 32°F
over 30 years |
days |
91 |
29 |
17 |
5 |
1 |
1 |
- |
1 |
- |
1 |
1 |
9 |
26 |
Average number of days above 20°F
over 30 years |
days |
221 |
31 |
28 |
26 |
12 |
11 |
11 |
10 |
9 |
8 |
16 |
28 |
31 |
Average number of days below -20°F
over 30 years |
days |
10 |
- |
- |
- |
- |
1 |
1 |
3 |
3 |
2 |
- |
- |
- |
Check weather averages for nearby locations (some locations might offer more data):
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