Phoenix, AZ weather in May 1978

Temperature for May 1978

In May 1978 the average high temperature in Phoenix, AZ was 91.5°F, and this was 1.9°F cooler than the average of 93.4°F. The hottest day in May 1978 was 30 May when the temperature reached 102.9°F. Overnight the average temperature in May is 63.1°F and in 1978 the average overnight temperature was 2.2°F cooler at 60.9°F.

Precipitation for May 1978

In May the average monthly rainfall in Phoenix, AZ is 0.46 inches with rain usually falling on 2 days. In May 1978 there was a total of 0.31 inches of rain, that fell on 2 days.