Heyburn Idaho Climate Data

Monthly Average Climate Data for Heyburn Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.1 °C2.3 °C30.48 mm
February-5.3 °C5.3 °C17.27 mm
March-2 °C11.1 °C25.4 mm
April0.6 °C15.1 °C26.42 mm
May5 °C20.3 °C37.08 mm
June8.7 °C25.3 °C19.05 mm
July12.3 °C31.1 °C6.1 mm
August11.2 °C30.6 °C10.41 mm
September6.6 °C25 °C14.99 mm
October1.3 °C17.3 °C21.34 mm
November-3.7 °C8.8 °C22.1 mm
December-7 °C2.6 °C32.77 mm
Annual1.7 °C16.2 °C263.41 mm

Climate Data for Heyburn Idaho

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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