Tucson, AZ Climate

Summary Graph

The summary climate graph for Tucson, AZ shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.

Graph of average and extreme temperature ranges by day for Tucson, AZ.


The warmest month in Davis Monthan Air Force Base, Tucson, Arizona is June with an average high temperature of 98.9°F. The hottest day on record was July 28 1995 when the temperature hit 115.0°F. During January the overnight temperature drops to an average of 41.1°F with the lowest temperature of 16.7°F being recorded on February 3 2011.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

28 Jul 1995115°F
25 Jun 1990113°F
28 Jun 1994113°F
19 Jun 1960111.9°F
21 Jun 2005111.2°F

The warmest months on average were:

June 1990104.2°F
July 2005103.5°F
June 1974103.4°F
June 1994103.3°F
July 1942103.1°F

The coldest days on record are:

3 Feb 201116.7°F
4 Jan 194919.9°F
7 Dec 196019.9°F
12 Jan 196419.9°F
15 Jan 200720.3°F

The coldest months on average were:

January 196434.5°F
February 196435.4°F
January 194936.3°F
December 197436.8°F
January 197337.2°F


The wettest month in Tucson, AZ is July with an average of 1.3 inches of rain falling on 13 to 14 days. The driest month by average rainfall in Tucson, AZ is June with an average of 0.1 inches of rain falling on 2 to 3 days. Although in May it typically rains on less days with 0.3 inches falling in 2 to 3 days

Wettest Days

The wettest days on record are:

24 July 20072 inches
15 July 19991.9 inches
6 July 20111.6 inches
20 July 19901.6 inches
11 July 20081.2 inches

Wettest Months

The wettest months on record are:

July 20078.1 inches
July 19906.6 inches
July 19846.3 inches
July 19995.4 inches
January 19934.8 inches

Driest Months

The driest months on record are:

August 19410 inches
September 19410 inches
October 19410 inches
November 19410 inches
December 19410 inches