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Riverside, USA Weather Averages

August is the hottest month in Riverside with an average temperature of 23°C (73°F) and the coldest is January at -3°C (26°F). The wettest month is June with an average of 100mm of rain..

Average Temperature Riverside

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 Riverside

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 Riverside

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

Riverside : Next 24-Hour Weather

Today - 1st August 2025

Sunrise 05:46

Sunrise

Sunset 20:09

Sunset
8:00
Clear
21°C (70°F)
9:00
Clear
22°C (71°F)
10:00
Clear
23°C (73°F)
11:00
Clear
24°C (75°F)
12:00
Clear
26°C (77°F)
13:00
Clear
26°C (78°F)
14:00
Clear
26°C (78°F)
15:00
Clear
26°C (78°F)
16:00
Clear
26°C (78°F)
17:00
Clear
25°C (77°F)
18:00
Clear
25°C (76°F)
19:00
Clear
23°C (73°F)
20:00
Clear
22°C (71°F)
21:00
Clear
21°C (68°F)
22:00
Clear
21°C (68°F)
23:00
Clear
20°C (67°F)

Tomorrow - 2nd August 2025

Sunrise 05:46

Sunrise

Sunset 20:09

Sunset
0:00
Clear
20°C (66°F)
1:00
Clear
19°C (66°F)
2:00
Clear
19°C (65°F)
3:00
Clear
19°C (65°F)
4:00
Clear
19°C (65°F)
5:00
Partly cloudy
18°C (64°F)
6:00
Partly cloudy
18°C (64°F)
7:00
Partly cloudy
19°C (65°F)
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