Phoenix, AZ Climate in December

Temperature for December

In Phoenix, AZ during December the average high temperature is 65.9°F. The hottest day on record was December 3, 1958 when the temperature hit 87.1°F.

Phoenix, AZ daily average and extreme temperature range for December

Low Temperature

During December the overnight temperature drops to an average of 40.9°F, with the lowest temperature of 21.2°F being recorded on December 23, 1990. Overnight temperatures drop below freezing between 1 and 9 times in December.

Precipitation for December

In December the average monthly rainfall in Phoenix, AZ is 0.48 inches with rain usually falling on between 4 and 5 days. 2012 was the driest December with only 0.00 inches of rain falling, and 1992 was the wettest December with 3.63 inches of rain. The wettest single day in December was 18 December 1978 when 1.65 inches of rain fell.

In December it usually snows on between 0 and 1 days. In December there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in December.