Phoenix, AZ Climate

Summary Graph

The summary climate graph for Phoenix, 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 Phoenix, AZ.

Temperature

The warmest month in Luke Air Force Base, Phoenix, Arizona is July with an average high temperature of 106.2°F. The hottest day on record was July 28 1995 when the temperature hit 122.9°F. During December the overnight temperature drops to an average of 40.9°F with the lowest temperature of 21.0°F being recorded on January 14 1963.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

28 Jul 1995122.9°F
27 Jun 1990120.9°F
21 Jul 2006120.2°F
30 Jun 1994119.8°F
15 Jul 1998118.4°F

The warmest months on average were:

July 1980111.2°F
July 2005110.4°F
July 1995109.5°F
July 2006109.5°F
July 1988109.3°F

The coldest days on record are:

14 Jan 196321°F
23 Dec 199021.2°F
14 Jan 200723.5°F
12 Jan 196224.1°F
16 Jan 196424.1°F

The coldest months on average were:

January 196434.7°F
February 194635.2°F
January 196335.3°F
February 196436°F
January 196636.3°F

Rain

The wettest month by average rainfall in Phoenix, AZ is January with an average of 0.6 inches of rain falling on 5 to 6 days.Although in August it typically rains on more days with 0.5 inches falling in 6 to 7 days. The driest month in Phoenix, AZ is June with an average of 0.1 inches of rain falling on 1 to 2 days.

Wettest Days

The wettest days on record are:

30 September 19832.8 inches
2 September 19842 inches
23 September 19811.6 inches
4 September 19901.2 inches
11 September 19961.1 inches

Wettest Months

The wettest months on record are:

May 200821.5 inches
January 19935.5 inches
January 20104.5 inches
March 19784.3 inches
April 20084.2 inches

Driest Months

The driest months on record are:

December 20120 inches
January 19420 inches
February 19420 inches
March 19420 inches
April 19420 inches
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