December, on the whole, was cooler and drier than typical for Tucson. The first half saw an average temperature 5.8 degrees above normal. A daily precipitation record of 0.34 inches was set on Dec. 12. The second half of December reported average temperatures 4.1 degrees below normal. Tucson saw temperature extremes ranging from a 81 degrees on Dec. 10 down to 27 degrees on Dec. 27.
December records set in 2015
Most daily precipitation for the date:
Dec. 12: 0.34 inches
