National Weather Service United States Department of Commerce
August 2018 Review
Updated: 2:00 am September 1, 2018
  Phoenix, AZ Yuma, AZ
  2018 Normal
1981-2010
Record
1895-2017
2018 Normal
1981-2010
Record
1876-2017
Average High
Temperature
105.0 °F
Tied 25th Warmest
104.4 °F Warmest
109.0 °F in 2011

Coolest
97.0 °F in 1955
106.6 °F
Tied 34th Warmest
106.2 °F Warmest
110.5 °F in  1962

Coolest
100.5 °F in 1909
Average
Temperature
94.0 °F
Tied 20th Warmest
93.6 °F Warmest
98.3 °F in 2011

Coolest
84.6 °F in 1918
95.7 °F
Tied 10th Warmest
94.3 °F Warmest
97.8 °F in 2015

Coolest
85.3 °F in 1900
Average Low
Temperature
83.1 °F
Tied 19th Warmest
82.7 °F Warmest
87.5 °F in 2011

Coolest
71.3 °F in 1900
84.7 °F
Tied 5th Warmest
82.3 °F Warmest
86.1 °F in 2015

Coolest
69.5 °F in 1900
Precipitation 1.50"
26th Wettest
1.00" Wettest
5.33" in 1951
0.02"
 Tied 36th Driest
0.47" Wettest
6.25" in 1909
Daily
Records
Phoenix Daily Records for August 2018

 

91 °F on Aug 4
Set Record High Low

114 °F on Aug 6
Tied Record High

0.56" on Aug 10
Set Record Wettest

90 °F on Aug 20
Set Record High Low

Yuma Daily Records for   August 2018

 

89 °F on Aug 2
Tied Record High Low

90 °F on Aug 4
Set Record High Low