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Alta Loma, USA Weather Averages

August is the hottest month in Alta Loma with an average temperature of 25°C (76°F) and the coldest is January at 13°C (55°F) with the most daily sunshine hours at 13 in August. The wettest month is January with an average of 50.4mm of rain..

Average Temperature Alta Loma

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Alta Loma

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Alta Loma

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Alta Loma

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Alta Loma : Next 24-Hour Weather

Tomorrow - 17th September 2025

Sunrise 06:35

Sunrise

Sunset 18:53

Sunset
23:00
Overcast
26°C (77°F)

Tomorrow - 18th September 2025

Sunrise 06:35

Sunrise

Sunset 18:53

Sunset
0:00
Overcast
26°C (77°F)
1:00
Overcast
25°C (77°F)
2:00
Overcast
25°C (76°F)
3:00
Overcast
25°C (76°F)
4:00
Overcast
24°C (75°F)
5:00
Cloudy
24°C (74°F)
6:00
Cloudy
24°C (74°F)
7:00
Cloudy
24°C (74°F)
8:00
Cloudy
24°C (74°F)
9:00
Overcast
23°C (73°F)
10:00
Overcast
23°C (73°F)
11:00
Overcast
24°C (74°F)
12:00
Moderate or heavy rain shower
24°C (75°F)
13:00
Moderate or heavy rain shower
25°C (76°F)
14:00
Heavy rain at times
27°C (79°F)
15:00
Heavy rain at times
28°C (81°F)
16:00
Heavy rain at times
29°C (83°F)
17:00
Patchy rain possible
28°C (82°F)
18:00
Patchy rain possible
27°C (81°F)
19:00
Patchy rain possible
27°C (79°F)
20:00
Partly cloudy
26°C (77°F)
21:00
Partly cloudy
25°C (76°F)
22:00
Partly cloudy
24°C (74°F)
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