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Weather Averages for
Alta, CA
Latitude: 39°17'N,
Longitude: 120°42'W,
Elevation: 1609.3 m,
Distance: 2.47 km
Average temperature
over 48 years |
°C |
10 |
2 |
3 |
3 |
6 |
11 |
15 |
20 |
19 |
16 |
12 |
6 |
3 |
Average high temperature
over 48 years |
°C |
14 |
6 |
7 |
7 |
11 |
15 |
20 |
25 |
24 |
22 |
17 |
10 |
7 |
Average low temperature
over 48 years |
°C |
5 |
0 |
0 |
0 |
2 |
6 |
10 |
14 |
14 |
11 |
7 |
2 |
0 |
Highest recorded temperature
over 44 years |
°C |
36 |
21 |
22 |
22 |
27 |
31 |
33 |
35 |
36 |
33 |
31 |
25 |
23 |
Lowest recorded temperature
over 44 years |
°C |
-16 |
-15 |
-14 |
-12 |
-8 |
-6 |
-2 |
2 |
1 |
-2 |
-8 |
-10 |
-16 |
Average number of rainy days
over 49 years |
days |
90 |
12 |
11 |
13 |
10 |
7 |
3 |
1 |
1 |
3 |
6 |
11 |
12 |
Average precipitation
over 48 years |
cm |
174.2 |
32.8 |
25.9 |
24.1 |
13.2 |
6.9 |
2.0 |
0.8 |
1.3 |
2.8 |
9.9 |
24.4 |
30.2 |
Average morning relative humidity
over 13 years |
% |
54 |
56 |
61 |
66 |
61 |
55 |
47 |
41 |
43 |
49 |
50 |
57 |
56 |
Average evening relative humidity
over 13 years |
% |
50 |
58 |
61 |
61 |
54 |
47 |
39 |
34 |
34 |
42 |
48 |
60 |
59 |
Average wind speed
over 15 years |
km/h |
10.9 |
12.7 |
12.7 |
12.4 |
10.6 |
10.6 |
10.3 |
9.3 |
9.5 |
10.3 |
11.1 |
11.4 |
10.9 |
Average number of days below -1.5°C
over 44 years |
days |
97 |
18 |
16 |
18 |
11 |
4 |
- |
- |
- |
- |
2 |
10 |
15 |
Average snowfall
over 48 years |
cm |
639.6 |
129.3 |
113.3 |
133.3 |
67.6 |
19.3 |
1.8 |
- |
- |
1.0 |
7.4 |
62.5 |
104.4 |
Average number of clear days
over 31 years |
days |
174 |
9 |
8 |
9 |
10 |
12 |
19 |
26 |
25 |
23 |
16 |
10 |
9 |
Average snow cover
over 48 years |
cm |
20.3 |
50.8 |
66.0 |
66.0 |
38.1 |
5.1 |
- |
- |
- |
- |
- |
7.6 |
25.4 |
Average number of cloudy days
over 31 years |
days |
126 |
17 |
15 |
17 |
13 |
11 |
6 |
1 |
2 |
3 |
9 |
15 |
17 |
Average number of partly cloudy days
over 31 years |
days |
64 |
5 |
5 |
5 |
7 |
8 |
5 |
4 |
4 |
4 |
6 |
5 |
5 |
Check weather averages for nearby locations (some locations might offer more data):
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