Antioch Average Temperature by Month

This page shows the average temperature in each month of the year in Antioch, California. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Antioch?
In Antioch, California, the warmest month is July, with an average daily high temperature of 91.5 °F and an average low of 59.9 °F.
What's the Coldest Month in Antioch?
In Antioch, California, the coolest month is January, with an average daily high temperature of 56.1 °F and an average low of 39.9 °F.
Month Avg. High Avg. Low
January 56.1 °F 39.9 °F
February 61.1 °F 43.6 °F
March 66.6 °F 46.4 °F
April 72.0 °F 49.3 °F
May 78.9 °F 53.8 °F
June 87.0 °F 58.7 °F
July 91.5 °F 59.9 °F
August 90.0 °F 59.5 °F
September 86.7 °F 58.1 °F
October 77.6 °F 53.6 °F
November 64.8 °F 45.6 °F
December 56.1 °F 40.1 °F
Year 74.1 °F 50.8 °F
Weather Station Details
Years Station Coordinates
1956–2021 Antioch Pumping Plant #3 location
1915–1955 Antioch Fireboard Mills location