Sun Valley Idaho Climate Data

Monthly Average Climate Data for Sun Valley Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.8 °F31.9 °F2.13 in.
February10.4 °F36.1 °F1.53 in.
March17.9 °F43.7 °F1.69 in.
April25.6 °F52.5 °F1.22 in.
May33.3 °F62.1 °F1.75 in.
June38.7 °F71.0 °F1.35 in.
July45.1 °F82.4 °F0.43 in.
August43.6 °F81.5 °F0.59 in.
September36.8 °F71.8 °F0.79 in.
October27.9 °F57.9 °F1.46 in.
November17.8 °F42.3 °F1.42 in.
December9.1 °F31.4 °F2.58 in.
Annual26.2 °F55.4 °F16.94 in.

Climate Data for Sun Valley Idaho

Average First Frost DateAug. 11 - Aug. 20
Average Last Frost DateJul. 1 - Jul. 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 ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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