Rillito Arizona Climate Data

Monthly Average Climate Data for Rillito Arizona

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January38.6 °F66.7 °F1.04 in.
February41.3 °F69.7 °F0.91 in.
March46.1 °F76.6 °F0.64 in.
April51.0 °F83.5 °F0.38 in.
May59.5 °F92.6 °F0.34 in.
June69.1 °F102.2 °F0.19 in.
July75.9 °F102.2 °F1.81 in.
August75.0 °F100.1 °F2.18 in.
September69.4 °F96.7 °F1.21 in.
October57.2 °F88.0 °F0.76 in.
November45.6 °F76.1 °F0.57 in.
December38.0 °F65.6 °F0.97 in.
Annual55.6 °F85 °F11 in.

Climate Data for Rillito Arizona

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSh - Hot Semi-Arid Climate