Monument Oregon Climate Data

Monthly Average Climate Data for Monument Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.7 °F44.6 °F1.37 in.
February26.8 °F49.2 °F1.0 in.
March30.9 °F56.4 °F1.45 in.
April35.3 °F63.4 °F1.28 in.
May41.4 °F72.4 °F1.64 in.
June47.4 °F80.5 °F1.26 in.
July52.5 °F91.5 °F0.43 in.
August50.2 °F91.3 °F0.39 in.
September43.6 °F82.1 °F0.44 in.
October35.1 °F67.6 °F0.97 in.
November29.6 °F52.1 °F1.28 in.
December24.8 °F43.2 °F1.54 in.
Annual36.9 °F66.2 °F13.05 in.

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 : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate