Preston Idaho Climate Data

Monthly Average Climate Data for Preston Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.4 °F32.6 °F1.67 in.
February17.7 °F37.4 °F1.41 in.
March26.8 °F49.0 °F1.56 in.
April32.6 °F57.7 °F1.72 in.
May39.8 °F67.2 °F2.19 in.
June46.0 °F78.0 °F1.22 in.
July53.1 °F88.3 °F0.92 in.
August51.7 °F87.1 °F1.1 in.
September43.1 °F76.9 °F1.31 in.
October33.2 °F62.0 °F1.62 in.
November24.2 °F46.3 °F1.19 in.
December16.1 °F34.1 °F1.24 in.
Annual33.2 °F59.7 °F17.15 in.

Climate Data for Preston Idaho

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year