Tucson Weather In May
The highest recorded temperature in May for Tucson for the past 70 years was 109 degrees Fahrenheit, most recently registered on May 22, 2005, and the standard high is 90. The lowest documented temperature for Tucson for the past 70 years in May was 38 most recently registered on May 5, 1950, while the regular low temperature for a given day during the month is 59.
National Weather Service historical Tucson May Weather data indicates that on May 5, 1969, the recorded high did not exceed 56 degrees Fahrenheit, the lowest high measured in Tucson in the past 70 years. Weather Service records also indicate that on May 28, 2003, the low temperature for the day was not measured below 83 degrees, the highest low measured in Tucson in the last 70 years.
NWS data indicates that the daily high temperature in Tucson on May First averages 85 degrees Fahrenheit and the high on the last day of May averages 95 degrees. The low recorded temperature in Tucson on May First averages 54 degrees Fahrenheit and the low temperature on the final day of May averages 63 degrees.
Tucson usually receives an average of 0.24 inches of precipitation during May. May Tucson Weather records indicate that on May 15, 1931 Tucson received 1.97 inches of precipitation, the highest amount of rain recorded in a single day in May.