Hollister Idaho Climate Data

Monthly Average Climate Data for Hollister Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.0 °F38.0 °F1.03 in.
February22.9 °F42.6 °F0.6 in.
March28.5 °F51.7 °F0.99 in.
April32.6 °F58.0 °F1.21 in.
May40.0 °F67.2 °F1.65 in.
June47.1 °F76.6 °F1.13 in.
July54.7 °F87.3 °F0.35 in.
August53.0 °F86.3 °F0.42 in.
September44.8 °F76.2 °F0.62 in.
October35.1 °F62.3 °F0.93 in.
November25.8 °F48.3 °F0.89 in.
December19.6 °F37.9 °F1.16 in.
Annual35.3 °F61 °F10.98 in.

Climate Data for Hollister Idaho

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
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
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