Fountain Hills Arizona Climate Data

Monthly Average Climate Data for Fountain Hills Arizona

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January42.6 °F66.5 °F1.42 in.
February44.9 °F69.5 °F1.3 in.
March49.1 °F76.0 °F1.49 in.
April54.7 °F83.3 °F0.35 in.
May63.4 °F92.5 °F0.21 in.
June71.9 °F102.2 °F0.05 in.
July78.8 °F104.6 °F0.93 in.
August78.1 °F103.4 °F1.19 in.
September72.5 °F99.0 °F0.85 in.
October61.3 °F88.3 °F0.48 in.
November50.5 °F75.5 °F0.54 in.
December42.7 °F65.3 °F1.2 in.
Annual59.2 °F85.5 °F10.01 in.

Climate Data for Fountain Hills Arizona

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFeb. 1 - Feb. 10
Average Days With FrostFrost Rare
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBWh - Hot Desert Climate