Phoenix Weather In May
The highest recorded temperature in May for Phoenix Arizona for the past 73 years was 114 degrees Fahrenheit, measured on May 30, 1910, while the typical high temperature is 94. The coldest May day in Phoenix for the past 73 years was 39 most recently encountered on May 3, 1899, while the mean low daily temperature during the month is 67.
US National Weather Service historical Phoenix May Weather data records that on May 1, 1915, the high temperature did not exceed 54 degrees Fahrenheit, the lowest high measured in Phoenix in the past 73 years. The Weather Service additionally indicates that on May 27, 1987, the low for the day did not drop below 77 degrees, the highest low recorded in Phoenix in the last 73 years.
NWS data indicates that the daily high temperature in Phoenix on May First averages 47 degrees Fahrenheit and the high on the last day of May averages 40 degrees. The average recorded low temperature in Phoenix on May First is 20 degrees Fahrenheit and the average low on the last day of May is 14 degrees.
Phoenix normally receives an average of 0.16 inches of rain during May. May Phoenix Weather records show that on May 5, 1930 Phoenix received 1.12 inches of rain, the most rain measured in a single day in May.