Island Park Idaho Climate Data

Monthly Average Climate Data for Island Park Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-14.8 °C-2.3 °C91.19 mm
February-14.1 °C-0.1 °C67.06 mm
March-10.1 °C4.9 °C58.93 mm
April-5.2 °C9.6 °C58.93 mm
May-0.3 °C15.2 °C72.64 mm
June3.1 °C20.3 °C58.67 mm
July5.7 °C26.3 °C26.16 mm
August4.6 °C26.3 °C27.69 mm
September0.6 °C20.6 °C34.29 mm
October-4 °C11.7 °C49.02 mm
November-9.7 °C2.9 °C62.23 mm
December-14.3 °C-2.7 °C95.5 mm
Annual-4.9 °C11.1 °C702.31 mm

Climate Data for Island Park Idaho

Average First Frost DateAug. 1 - Aug. 10
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4a : -34.4°C to -31.7°C
Plant Hardiness Zone - 2012Zone 3b : -37.2°C to -34.4°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall
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