Challis Idaho Climate Data

Monthly Average Climate Data for Challis Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.2 °F31.3 °F0.47 in.
February15.4 °F37.2 °F0.28 in.
March23.5 °F47.4 °F0.53 in.
April30.0 °F55.6 °F0.65 in.
May38.0 °F65.4 °F1.04 in.
June44.8 °F73.9 °F1.04 in.
July51.2 °F85.5 °F0.47 in.
August49.0 °F83.6 °F0.56 in.
September41.4 °F73.7 °F0.65 in.
October31.5 °F58.8 °F0.55 in.
November20.8 °F42.4 °F0.48 in.
December11.9 °F30.7 °F0.55 in.
Annual30.7 °F57.1 °F7.27 in.

Climate Data for Challis Idaho

Average First Frost DateAug. 21 - Aug. 31
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
2024 plantmaps.com