Princeton Idaho Climate Data

Monthly Average Climate Data for Princeton Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.4 °C2.9 °C73.41 mm
February-3 °C5.1 °C55.88 mm
March-1 °C9.2 °C61.21 mm
April1.6 °C13.5 °C54.86 mm
May4.9 °C18.8 °C59.69 mm
June7.6 °C21.8 °C43.18 mm
July9.6 °C28.2 °C17.78 mm
August9.3 °C29 °C16.26 mm
September5.9 °C23.6 °C21.59 mm
October2.1 °C15.3 °C52.32 mm
November-0.9 °C7.1 °C72.9 mm
December-3.9 °C2.3 °C76.45 mm
Annual2.4 °C14.7 °C605.53 mm

Climate Data for Princeton Idaho

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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