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Riverside, USA Weather Averages

The wettest month is April with an average of 1mm of rain..

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

Chance of Sunny Day Riverside

What is Chance of Sunny Day?
By taking the maximum available sunny hours in a day (ie: from sunrise to sunset) and the actual sunhsine hours measured. So if there are 12 hours of daylight time and 6 hours of sunshine, it is 50%
What is Chance of Sunny Day?
By taking the maximum available sunny hours in a day (ie: from sunrise to sunset) and the actual sunhsine hours measured. So if there are 12 hours of daylight time and 6 hours of sunshine, it is 50%

Chance of Rain Riverside

What is Chance of Rain?
This is based on historical weather data, how many days has it rained in the past during this month over a period of years of recorded weather
What is Chance of Rain?
This is based on historical weather data, how many days has it rained in the past during this month over a period of years of recorded weather

Chance of Windy Day Riverside

What is Chance of Windy Day?
Taking historical wind data for a month at a certain threshold wind speed. Take the number of days the wind was above this threshold, and divide that by the days in the month to determine the chance of a windy day
What is Chance of Windy Day?
Taking historical wind data for a month at a certain threshold wind speed. Take the number of days the wind was above this threshold, and divide that by the days in the month to determine the chance of a windy day

Chance of Cloudy Day Riverside

What is Chance of Cloudy Day?
This is based on the sunshine hours per day minus the daylight hours, if the sunshine hours are less than half of the daylight hours, it is labeled a cloudy day
What is Chance of Cloudy Day?
This is based on the sunshine hours per day minus the daylight hours, if the sunshine hours are less than half of the daylight hours, it is labeled a cloudy day

Chance of Fog Day Riverside

What is Chance of Fog Day?
Based on historical weather data, this percentage is determined by the chance of fog for that month over a preiod of years
What is Chance of Fog Day?
Based on historical weather data, this percentage is determined by the chance of fog for that month over a preiod of years

Chance of Snow Day Riverside

What is Chance of Snow Day?
Based on historical weather data, this percentage is determined by the chance of snow for that month over a preiod of years
What is Chance of Snow Day?
Based on historical weather data, this percentage is determined by the chance of snow for that month over a preiod of years

Riverside : Next 24-Hour Weather

Tomorrow - 21st December 2024

Sunrise 06:52

Sunrise

Sunset 16:46

Sunset
20:00
Clear
14°C (57°F)
21:00
Clear
13°C (55°F)
22:00
Overcast
13°C (54°F)
23:00
Cloudy
12°C (53°F)

Tomorrow - 22nd December 2024

Sunrise 06:52

Sunrise

Sunset 16:46

Sunset
0:00
Cloudy
12°C (52°F)
1:00
Overcast
11°C (52°F)
2:00
Partly cloudy
11°C (51°F)
3:00
Partly cloudy
11°C (51°F)
4:00
Partly cloudy
11°C (50°F)
5:00
Partly cloudy
10°C (50°F)
6:00
Partly cloudy
10°C (49°F)
7:00
Partly cloudy
10°C (49°F)
8:00
Partly cloudy
11°C (50°F)
9:00
Partly cloudy
12°C (53°F)
10:00
Partly cloudy
14°C (56°F)
11:00
Overcast
16°C (60°F)
12:00
Partly cloudy
17°C (63°F)
13:00
Cloudy
18°C (64°F)
14:00
Partly cloudy
18°C (64°F)
15:00
Cloudy
20°C (67°F)
16:00
Clear
19°C (65°F)
17:00
Partly cloudy
17°C (62°F)
18:00
Partly cloudy
16°C (60°F)
19:00
Partly cloudy
15°C (57°F)