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United StatesThe climate of Riverside
The current climate in Riverside features temperatures ranging from a high of 35°C to a low of 19°C throughout the year. The average yearly temperature is around 27°C. At night, temperatures in the colder months average around 7°C and in the warmer months around 19°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Riverside, California.
Temperature records
The highest temperature recorded in Riverside in recent years was 47°C in September 2020. The lowest daytime temperature recorded was 8°C in November 2019.
Rainfall amount
On average, Riverside receives 288 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit Riverside?
The best time to visit Riverside for sunny weather is January through December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Riverside.
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Climate Table of Riverside
The climate table of Riverside shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 20 | 21 | 23 | 26 | 26 | 31 | 35 | 35 | 33 | 29 | 25 | 19 |
| Temp. min (°C) | 8 | 8 | 10 | 12 | 14 | 16 | 19 | 20 | 18 | 15 | 10 | 8 |
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| Precipitation (mm) | 46 | 46 | 53 | 13 | 6,7 | 1,4 | 6,2 | 6,3 | 7,1 | 11 | 23 | 68 |
| UV Index | 5 | 6 | 8 | 8 | 9 | 9 | 9 | 9 | 7 | 7 | 5 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Riverside, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Riverside
Yearly Temperature in Riverside
Precipitation charts
These charts show the average amount of precipitation in Riverside, California. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Riverside
Total Yearly Precipitation in Riverside
UV index chart
This chart shows the average UV index per month in Riverside, California. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Riverside
Weather experiences in Riverside
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Average weather in Riverside by month
Click on a month below to see detailed weather info for Riverside. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.