Prospect Oregon Climate Data

Monthly Average Climate Data for Prospect Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-1.7 °C7.9 °C161.04 mm
February-1.4 °C10.2 °C99.06 mm
March-0.2 °C12.5 °C118.11 mm
April1.4 °C14.7 °C100.58 mm
May4.5 °C19.7 °C67.31 mm
June6.9 °C23.7 °C37.85 mm
July9.9 °C29.8 °C15.75 mm
August9.3 °C29.9 °C15.24 mm
September6.3 °C26.6 °C25.91 mm
October2.7 °C18.9 °C75.95 mm
November0.2 °C11 °C156.97 mm
December-1.8 °C7.2 °C194.06 mm
Annual3 °C17.7 °C1067.83 mm

Climate Data for Prospect Oregon

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 8a : -12.2°C to -9.4°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate