Flagstaff Arizona Climate Data

Monthly Average Climate Data for Flagstaff Arizona

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.3 °F44.7 °F1.78 in.
February19.8 °F47.3 °F2.09 in.
March24.1 °F53.6 °F1.8 in.
April28.4 °F60.3 °F1.15 in.
May35.2 °F69.4 °F0.7 in.
June43.4 °F80.7 °F0.32 in.
July51.6 °F83.7 °F2.44 in.
August50.5 °F80.9 °F3.03 in.
September42.8 °F75.8 °F1.86 in.
October31.7 °F65.4 °F1.31 in.
November23.1 °F53.9 °F1.49 in.
December17.1 °F44.6 °F1.69 in.
Annual32.1 °F63.4 °F19.66 in.

Climate Data for Flagstaff Arizona

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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