National Weather Service United States Department of Commerce
May 2021 Review
Updated: 3:45 AM June 1, 2021
  Phoenix, AZ Yuma, AZ
  2021 Normal
1991-2020
Record
1895-2021
2021 Normal
1991-2020
Record
1876-2021
Average High
Temperature
96.2 °F
Tied 24th Warmest
94.5 °F Warmest
101.2 °F in 1984

Coolest
83.7 °F in 1917
95.2 °F
50th Warmest
94.3 °F Warmest
102.2 °F in  1984

Coolest
85.6 °F in 1977
Average
Temperature
83.1 °F
Tied 17th Warmest
82.0 °F Warmest
87.0 °F in 1984

Coolest
69.0 °F in 1917
80.4 °F
Tied 33rd Warmest
80.6 °F Warmest
86.6 °F in 1997

Coolest
71.5 °F in 1917
Average Low
Temperature
70.0 °F
20th Warmest
69.5 °F Warmest
73.8 °F in 2009

Coolest
54.2 °F in 1917
65.5 °F
30th Warmest
66.9 °F Warmest
72.8 °F in 1997

Coolest
54.8 °F in 1908
Precipitation Trace
Tied Driest
0.13" Wettest
1.31" in 1930
0.00"
 Tied Driest
0.06" Wettest
0.90" in 1912
Daily
Records
Phoenix Daily Records for May 2021

 

None

 

Yuma Daily Records for May 2021

 

None

 

El Centro, CA

  2021 Normal
1991-2020
Record
1925-2021
Average High
Temperature

95.7 °F
Tied 30th Warmest

94.3 °F

Warmest
101.1 °F in 2009

Coolest
83.4 °F in 1977

Average
Temperature

78.7 °F
Tied 40th Warmest

78.2 °F

Warmest
84.4 °F in 2009

Coolest
69.4 °F in 1977

Average Low
Temperature

61.8 °F

Tied 42nd Warmest

62.1 °F

Warmest
67.6 °F in 2009

Coolest
55.5 °F in 1977

Precipitation

0.00"
  Tied Driest

0.07"

Wettest
0.72" in 1994
Daily
Records

El Centro Daily Records for May 2021

69°F on May 1
 Tied Record Warm Low

53°F on May 23
 Set Record Low