Santa Ana Average Temperature by Month

This page shows the average temperature in each month of the year in Santa Ana, California. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Santa Ana?
In Santa Ana, California, the warmest month is August, with an average daily high temperature of 85.7 °F and an average low of 64.9 °F.
What's the Coldest Month in Santa Ana?
In Santa Ana, California, the coolest month is January, with an average daily high temperature of 70.4 °F and an average low of 48.2 °F.
Month Avg. High Avg. Low
January 70.4 °F 48.2 °F
February 70.4 °F 48.9 °F
March 72.5 °F 51.4 °F
April 74.4 °F 53.6 °F
May 75.8 °F 57.5 °F
June 78.7 °F 60.7 °F
July 83.5 °F 64.2 °F
August 85.7 °F 64.9 °F
September 84.9 °F 63.4 °F
October 80.5 °F 59.0 °F
November 75.1 °F 52.2 °F
December 69.4 °F 47.4 °F
Year 76.7 °F 56.1 °F
Weather Station Details
Years Station Coordinates
1906–2024 Santa Ana Fire Station location
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