National Weather Service United States Department of Commerce
May 2020 Review
Updated: 3:45 AM June 1, 2020
  Phoenix, AZ Yuma, AZ
  2020 Normal
1981-2010
Record
1895-2020
2020 Normal
1981-2010
Record
1876-2020
Average High
Temperature
99.7 °F
3rd Warmest
94.8 °F Warmest
101.2 °F in 1984

Coolest
83.7 °F in 1917
98.7 °F
9th Warmest
95.3 °F Warmest
102.2 °F in  1984

Coolest
85.6 °F in 1977
Average
Temperature
86.2 °F
4th Warmest
82.1 °F Warmest
87.0 °F in 1984

Coolest
69.0 °F in 1917
83.8 °F
7th Warmest
81.3 °F Warmest
86.6 °F in 1997

Coolest
71.5 °F in 1917
Average Low
Temperature
72.7 °F
5th Warmest
69.4 °F Warmest
73.8 °F in 2009

Coolest
54.2 °F in 1917
68.9 °F
9th Warmest
67.3 °F Warmest
72.8 °F in 1997

Coolest
54.8 °F in 1908
Precipitation Trace
Tied Driest
0.11" Wettest
1.31" in 1930
0.00"
 Tied Driest
0.08" Wettest
0.90" in 1912
Daily
Records
Phoenix Daily Records for May 2020

 

106°F on May 6
Tied Record High

81°F on May 10
Record Warm Low

112°F on May 29
Tied Record High

 

Yuma Daily Records for May 2020

 

76°F on May 9
Tied Record Warm Low

78°F on May 10
Tied Record Warm Low