Mesa, AZ Climate

Summary Graph

The summary climate graph for Mesa, 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 Mesa, AZ.

Temperature

The warmest month in Phoenix-Mesa Gateway, Mesa, Arizona is July with an average high temperature of 103.0°F. The hottest day on record was August 5 2010 when the temperature hit 120.2°F. During January the overnight temperature drops to an average of 40.8°F with the lowest temperature of 20.3°F being recorded on January 5 1950.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

5 Aug 2010120.2°F
28 Jun 1990120°F
25 Jun 1970117.3°F
21 Jun 2005116.6°F
17 Jul 2005116.6°F

The warmest months on average were:

July 2009110°F
July 2005108.8°F
August 2011108.4°F
August 2009107.5°F
July 1947107.5°F

The coldest days on record are:

5 Jan 195020.3°F
11 Jan 196420.3°F
7 Jan 196720.3°F
15 Jan 200721.2°F
19 Dec 196821.4°F

The coldest months on average were:

January 196432.4°F
February 196433.7°F
December 196834.9°F
December 195334.9°F
January 196735.8°F

Rain

The wettest month by average rainfall in Mesa, AZ is March with an average of 0.4 inches of rain falling on 4 to 5 days.Although in July it typically rains on more days with 0.2 inches falling in 5 to 6 days. The driest month in Mesa, AZ is June with an average of 0.0 inches of rain falling on 1 to 2 days.

Wettest Days

The wettest days on record are:

29 November 19751.1 inches
26 November 19850.7 inches
18 November 19820.7 inches
20 November 19900.5 inches
30 November 19910.5 inches

Wettest Months

The wettest months on record are:

September 19834.7 inches
August 19903.4 inches
March 19833 inches
April 19883 inches
February 19872.9 inches

Driest Months

The driest months on record are:

December 20120 inches
April 19420 inches
May 19420 inches
June 19420 inches
July 19420 inches
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