What is the highest temperature ever recorded in Riverside, CA?

The record high temperature in Riverside, CA is 118°F, recorded on July 6, 2018.

What is the lowest temperature ever recorded in Riverside, CA?

The record low temperature in Riverside, CA is 19°F, recorded on January 14, 2007.

Historical Weather in Riverside, CA

Name: Riverside, CA Temperature Records
Creator: NOAA

See 55+ years of weather history for any date in Riverside going back to 1970.

Part of California weather history · California temperature records

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Today in Riverside Weather HistorySee records, averages, and 55+ years of data for today's date

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Monthly Climate Averages

Historical temperature and precipitation averages for Riverside, CA, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 95°F / Low: 63°F

Coldest MonthDecemberAvg High: 68°F / Low: 42°F

Jan

68°/ 43°

💧 8.5"

Feb

69°/ 44°

💧 9.5"

Mar

72°/ 46°

💧 7.4"

Apr

76°/ 49°

💧 4.6"

May

81°/ 54°

💧 3.1"

Jun

88°/ 58°

💧 3.2"

Jul

94°/ 63°

💧 3.0"

Aug

95°/ 63°

💧 7.6"

Sep

91°/ 60°

💧 5.4"

Oct

83°/ 54°

💧 4.7"

Nov

74°/ 46°

💧 6.5"

Dec

68°/ 42°

💧 6.7"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

Riverside, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

Avg high Avg low

Riverside, CA Monthly Precipitation

Average rainfall per month, in inches.

Rain (in)

Riverside, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

Cooler

Hotter

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Best Time to Visit Riverside, CA

Riverside, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Riverside Temperature Records

Record High: The hottest temperature ever recorded in Riverside, CA is 118°F, set on July 6, 2018.
Record Low: The coldest temperature ever recorded in Riverside, CA is 19°F, set on January 14, 2007.
Data Coverage: Based on 29 years of data from NOAA weather station: RIVERSIDE MUNI AP.

All-Time Record High

118°F

July 6, 2018

All-Time Record Low

19°F

January 14, 2007

Monthly Temperature Records in Riverside

Month	Record High	Record Low
January	101°F(2003)	19°F(2007)
February	92°F(2016)	19°F(2020)
March	97°F(2011)	27°F(2012)
April	102°F(2004)	27°F(1970)
May	105°F(2025)	36°F(2003)
June	114°F(2016)	43°F(1999)
July	118°F(2018)	47°F(2013)
August	112°F(2017)	48°F(2013)
September	118°F(2020)	39°F(2013)
October	109°F(2024)	33°F(2013)
November	100°F(2010)	26°F(2012)
December	90°F(2005)	21°F(2011)