Riverside, CA Climate


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United States / California / Riverside-San Bernardino-Ontario Metro Area / Riverside County / Riverside / Zip Codes
Riverside, CA has a Mediterranean climate with mild temperatures and predictable seasons. The average summer temperature is around 80 degrees Fahrenheit, while in winter the average temperature hovers around 55 degrees Fahrenheit. The city receives approximately 11 inches of rain each year and experiences plenty of sunshine all year round. Summers tend to be hot and dry, while winters are cooler and wetter, bringing occasional rainfall. Overall, Riverside enjoys a temperate climate that makes it an ideal place to live.

Riverside, California gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Riverside averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 277 sunny days per year in Riverside. The US average is 205 sunny days.

Riverside gets some kind of precipitation, on average, 34 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 94 degrees
Winter Low: the January low is 42
Rain: averages 11 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Riverside is 8.7 (10=best), which means it is more comfortable than most places in California.

8.1 Summer - 8.7 Winter
May, October and April are the most pleasant months in Riverside, while August and July are the least comfortable months.

  ClimateRiverside, CaliforniaUnited States
  11.3 in.38.1 in.
  0.0 in.27.8 in.
  34.0 days106.2 days
  277 days205 days
  94.2°85.8°
  42.4°21.7°
  8.77
  5.74.3
  827 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for Riverside with an average high temperature of 95.4°, which ranks it as warmer than most places in California. In Riverside, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Riverside are April, May and November.
In Riverside, there are 95.9 days annually when the high temperature is over 90°, which is hotter than most places in California.
December has the coldest nighttime temperatures for Riverside with an average of 41.3°. This is warmer than most places in California.
In Riverside, there are 4.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.
In Riverside, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.
Humidity in Riverside is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.
February is the wettest month in Riverside with 2.7 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 59% of yearly precipitation and 3% occurs in Autumn, which is the driest season. The annual rainfall of 11.3 inches in Riverside means that it is drier than most places in California.
February is the rainiest month in Riverside with 6.2 days of rain, and August is the driest month with only 0.4 rainy days. There are 34.0 rainy days annually in Riverside, which is less rainy than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 5% chance of a rainy day.
There is rarely any recorded snowfall in Riverside, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Riverside.
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SANDRA  · Beaumont, CA
I've lived in Riverside for 54 years
Over 3 years ago

I've lived in Riverside for 54 years. It changed a LOT when people from LA started moving here in droves. Still, I have never been robbed or assaulted but I am  More

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Alex · Riverside, CA
Worst Medical Care Around! Lots of Break Ins!
Over 3 years ago

I'm from Orange County (OC). I have had nothing but trouble since moving to Riverside. 1. The dogs are aggressive guard dogs. If you want to walk or bike you  More

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Eric · Riverside, CA
A depressing place.
Over 6 years ago

Whew where to begin with dear old riverside. I enjoyed growing up here until my high school years (back in 2011). In 7 short years the downward deterioration of the  More

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