Tucson Average Temperature by Month

This page shows the average temperature in each month of the year in Tucson, Arizona. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Tucson?
In Tucson, Arizona, the warmest month is July, with an average daily high temperature of 100.5 °F and an average low of 75.6 °F.
What's the Coldest Month in Tucson?
In Tucson, Arizona, the coolest month is January, with an average daily high temperature of 66.9 °F and an average low of 40.1 °F.
Month Avg. High Avg. Low
January 66.9 °F 40.1 °F
February 69.6 °F 42.5 °F
March 76.2 °F 47.3 °F
April 83.4 °F 52.7 °F
May 92.2 °F 61.1 °F
June 101.6 °F 70.5 °F
July 100.5 °F 75.6 °F
August 98.9 °F 74.5 °F
September 95.5 °F 69.8 °F
October 86.6 °F 58.3 °F
November 75.4 °F 47.2 °F
December 65.8 °F 39.8 °F
Year 84.4 °F 56.7 °F
Weather Station Details
Years Station Coordinates
1947–2024 Tucson International Airport location
1894–1946 Tucson WFO location