Monument Oregon Climate Data

Monthly Average Climate Data for Monument Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.5 °C7 °C34.8 mm
February-2.9 °C9.6 °C25.4 mm
March-0.6 °C13.6 °C36.83 mm
April1.8 °C17.4 °C32.51 mm
May5.2 °C22.4 °C41.66 mm
June8.6 °C26.9 °C32 mm
July11.4 °C33.1 °C10.92 mm
August10.1 °C32.9 °C9.91 mm
September6.4 °C27.8 °C11.18 mm
October1.7 °C19.8 °C24.64 mm
November-1.3 °C11.2 °C32.51 mm
December-4 °C6.2 °C39.12 mm
Annual2.7 °C19 °C331.48 mm

Climate Data for Monument Oregon

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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