Phoenix, AZ Climate in December

Temperature for December

In Phoenix, AZ during December the average high temperature is 68.1°F. The hottest day on record was December 17, 1980 when the temperature hit 86.0°F.

Phoenix, AZ daily average and extreme temperature range for December

Low Temperature

During December the overnight temperature drops to an average of 43.5°F, with the lowest temperature of 25.9°F being recorded on December 9, 1978. Overnight temperatures drop below freezing between 1 and 7 times in December.

Precipitation for December

In December the average monthly rainfall in Phoenix, AZ is 1.00 inches with rain usually falling on between 3 and 4 days. 1996 was the driest December with only 0.00 inches of rain falling, and 1994 was the wettest December with 3.46 inches of rain. The wettest single day in December was 18 December 1987 when 1.48 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.