Jerome Idaho Climate Data

Monthly Average Climate Data for Jerome Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.1 °F36.8 °F1.31 in.
February23.9 °F42.3 °F0.77 in.
March29.9 °F52.8 °F1.06 in.
April34.8 °F60.3 °F1.04 in.
May42.8 °F69.9 °F1.29 in.
June50.0 °F79.5 °F0.63 in.
July57.2 °F90.1 °F0.13 in.
August55.1 °F88.6 °F0.27 in.
September46.7 °F78.4 °F0.43 in.
October36.6 °F64.2 °F0.9 in.
November27.5 °F48.7 °F1.04 in.
December21.2 °F36.9 °F1.55 in.
Annual37.2 °F62.4 °F10.42 in.

Climate Data for Jerome Idaho

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate