Ammon Idaho Climate Data

Monthly Average Climate Data for Ammon Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.5 °F29.2 °F1.14 in.
February15.8 °F34.1 °F0.82 in.
March25.2 °F46.9 °F1.1 in.
April31.2 °F57.1 °F1.2 in.
May38.9 °F66.4 °F1.74 in.
June45.4 °F75.2 °F1.23 in.
July50.9 °F85.6 °F0.54 in.
August49.0 °F85.0 °F0.64 in.
September41.5 °F74.5 °F1.02 in.
October31.7 °F59.8 °F1.17 in.
November22.4 °F43.3 °F0.88 in.
December13.9 °F30.6 °F0.99 in.
Annual31.5 °F57.3 °F12.47 in.

Climate Data for Ammon Idaho

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate