Richfield Idaho Climate Data

Monthly Average Climate Data for Richfield Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.0 °F32.6 °F1.51 in.
February18.0 °F37.7 °F0.82 in.
March25.3 °F48.5 °F1.02 in.
April30.9 °F58.1 °F0.87 in.
May39.0 °F67.6 °F1.07 in.
June45.6 °F77.2 °F0.63 in.
July52.8 °F88.3 °F0.14 in.
August51.3 °F87.3 °F0.28 in.
September42.9 °F76.6 °F0.51 in.
October32.6 °F61.7 °F0.84 in.
November23.6 °F45.6 °F0.89 in.
December16.1 °F33.0 °F1.38 in.
Annual32.8 °F59.5 °F9.96 in.

Climate Data for Richfield Idaho

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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