Richfield Idaho Climate Data

Monthly Average Climate Data for Richfield Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.4 °C0.3 °C38.35 mm
February-7.8 °C3.2 °C20.83 mm
March-3.7 °C9.2 °C25.91 mm
April-0.6 °C14.5 °C22.1 mm
May3.9 °C19.8 °C27.18 mm
June7.6 °C25.1 °C16 mm
July11.6 °C31.3 °C3.56 mm
August10.7 °C30.7 °C7.11 mm
September6.1 °C24.8 °C12.95 mm
October0.3 °C16.5 °C21.34 mm
November-4.7 °C7.6 °C22.61 mm
December-8.8 °C0.6 °C35.05 mm
Annual0.4 °C15.3 °C252.99 mm

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 : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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