Imperial Average Temperature by Month

This page shows the average temperature in each month of the year in Imperial, California. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Imperial?
In Imperial, California, the warmest month is August, with an average daily high temperature of 106.3 °F and an average low of 77.8 °F.
What's the Coldest Month in Imperial?
In Imperial, California, the coolest month is January, with an average daily high temperature of 70.7 °F and an average low of 42.5 °F.
Month Avg. High Avg. Low
January 70.7 °F 42.5 °F
February 74.2 °F 46.1 °F
March 80.1 °F 51.0 °F
April 86.3 °F 56.0 °F
May 94.2 °F 62.7 °F
June 103.1 °F 69.8 °F
July 106.4 °F 77.1 °F
August 106.3 °F 77.8 °F
September 101.8 °F 72.4 °F
October 90.8 °F 60.9 °F
November 78.6 °F 49.1 °F
December 69.1 °F 41.7 °F
Year 88.2 °F 58.8 °F
Weather Station Details
Years Station Coordinates
1901–2024 Imperial location
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