Harrisburg Oregon Climate Data

Monthly Average Climate Data for Harrisburg Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.0 °F47.3 °F6.1 in.
February35.1 °F51.1 °F4.86 in.
March37.1 °F55.9 °F5.26 in.
April39.9 °F60.5 °F3.43 in.
May44.5 °F67.3 °F2.35 in.
June48.5 °F73.3 °F1.3 in.
July52.2 °F82.4 °F0.33 in.
August52.0 °F83.0 °F0.4 in.
September48.2 °F77.2 °F1.33 in.
October42.4 °F64.4 °F3.2 in.
November38.0 °F52.8 °F5.94 in.
December34.6 °F46.3 °F7.2 in.
Annual42.3 °F63.5 °F41.7 in.

Climate Data for Harrisburg Oregon

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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