Astoria Oregon Climate Data

Monthly Average Climate Data for Astoria Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4 °C9.3 °C311.91 mm
February3.9 °C10.3 °C214.12 mm
March4.6 °C11.7 °C220.22 mm
April5.9 °C12.1 °C165.61 mm
May8.4 °C14.7 °C92.2 mm
June10.5 °C15.5 °C70.61 mm
July12.7 °C18.5 °C23.62 mm
August12.7 °C18.2 °C30.23 mm
September11.5 °C18.2 °C73.91 mm
October8.7 °C15.4 °C189.23 mm
November6.1 °C11.9 °C324.87 mm
December3.8 °C9.1 °C325.63 mm
Annual7.7 °C13.7 °C2042.16 mm

Climate Data for Astoria Oregon

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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