Phoenix, AZ Climate in May

Temperature for May

In Phoenix, AZ during May the average high temperature is 93.4°F. The hottest day on record was May 13, 1996 when the temperature hit 111.9°F.

Phoenix, AZ daily average and extreme temperature range for May

Low Temperature

During May the overnight temperature drops to an average of 63.1°F, with the lowest temperature of 43.0°F being recorded on May 5, 1964. In May it has never frozen overnight.

Precipitation for May

In May the average monthly rainfall in Phoenix, AZ is 0.46 inches with rain usually falling on between 2 and 2 days. 1943 was the driest May with only 0.00 inches of rain falling, and 2008 was the wettest May with 21.52 inches of rain. The wettest single day in May was 24 May 2008 when 11.40 inches of rain fell.

In May there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in May.