Swan Valley Idaho Climate Data

Monthly Average Climate Data for Swan Valley Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.0 °F29.2 °F1.96 in.
February14.4 °F33.4 °F1.42 in.
March22.4 °F43.5 °F1.64 in.
April29.1 °F53.8 °F1.91 in.
May36.9 °F63.8 °F2.48 in.
June43.3 °F72.8 °F2.11 in.
July48.8 °F83.5 °F1.14 in.
August47.5 °F82.6 °F1.21 in.
September40.0 °F72.6 °F1.62 in.
October30.9 °F57.8 °F1.74 in.
November21.5 °F41.6 °F1.69 in.
December13.3 °F29.9 °F1.65 in.
Annual30 °F55.4 °F20.57 in.

Climate Data for Swan Valley Idaho

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 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
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