Flagstaff Weather In May
The highest recorded temperature for Flagstaff for the past 61 years in May was 93 degrees Fahrenheit, most recently measured on May 25, 1896, and the typical high is 68. In the last 61 years the lowest measured May temperature in Flagstaff was 14 registered on May 6, 1975, while the average low temperature is 34.
US National Weather Service historical Flagstaff May Weather data records that on May 15, 1957, the high temperature did not exceed 20 degrees Fahrenheit, the lowest high measured in Flagstaff in the past 61 years. The Weather Service additionally indicates that on May 14, 1897, the low for the day did not drop below 64 degrees, the highest low recorded in Flagstaff in the last 61 years.
Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Flagstaff on May First is 62 degrees Fahrenheit and the average high on the last day of May is 72 degrees. The daily low temperature in Flagstaff on May First averages 30 degrees Fahrenheit and the low on the last day of May averages 37 degrees.
Flagstaff usually receives an average of 0.8 inches of rain during the month. The most precipitation measured in a single day, as indicated by May Flagstaff Weather data, was 1.11 inches on May 24, 1965. Flagstaff receives an average of 1.7 inches of snow in May. The highest snowfall on a single day in May was 6.6 inches on May 24, 1965.