Phoenix, AZ weather in May 1999

Temperature for May 1999

In May 1999 the average high temperature in Phoenix, AZ was 93.4°F, and this was 0.0°F cooler than the average of 93.4°F. The hottest day in May 1999 was 29 May when the temperature reached 105.8°F. Overnight the average temperature in May is 63.1°F and in 1999 the average overnight temperature was 0.1°F cooler at 63.1°F.

Precipitation for May 1999

In May the average monthly rainfall in Phoenix, AZ is 0.46 inches with rain usually falling on 2 days. In May 1999 there was a total of 0.00 inches of rain, that fell on 1 days.