Rexburg Idaho Climate Data

Monthly Average Climate Data for Rexburg Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.5 °F28.2 °F1.08 in.
February14.0 °F32.9 °F0.7 in.
March23.3 °F45.2 °F0.94 in.
April30.0 °F56.1 °F1.13 in.
May37.8 °F65.4 °F1.72 in.
June44.1 °F73.9 °F1.4 in.
July49.4 °F84.2 °F0.55 in.
August47.5 °F83.8 °F0.7 in.
September40.0 °F73.3 °F0.99 in.
October30.4 °F58.5 °F1.16 in.
November21.2 °F42.2 °F0.87 in.
December12.4 °F29.7 °F1.02 in.
Annual30.1 °F56.1 °F12.26 in.

Climate Data for Rexburg 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 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year