Heyburn Idaho Climate Data

Monthly Average Climate Data for Heyburn Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.3 °F36.2 °F1.2 in.
February22.4 °F41.5 °F0.68 in.
March28.4 °F51.9 °F1.0 in.
April33.1 °F59.2 °F1.04 in.
May41.0 °F68.6 °F1.46 in.
June47.6 °F77.5 °F0.75 in.
July54.2 °F87.9 °F0.24 in.
August52.1 °F87.0 °F0.41 in.
September43.9 °F77.0 °F0.59 in.
October34.3 °F63.1 °F0.84 in.
November25.4 °F47.9 °F0.87 in.
December19.4 °F36.6 °F1.29 in.
Annual35.1 °F61.2 °F10.37 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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