Astoria Oregon Climate Data

Monthly Average Climate Data for Astoria Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.2 °F48.7 °F12.28 in.
February39.0 °F50.6 °F8.43 in.
March40.3 °F53.1 °F8.67 in.
April42.6 °F53.7 °F6.52 in.
May47.2 °F58.4 °F3.63 in.
June50.9 °F59.9 °F2.78 in.
July54.8 °F65.3 °F0.93 in.
August54.8 °F64.8 °F1.19 in.
September52.7 °F64.8 °F2.91 in.
October47.6 °F59.8 °F7.45 in.
November42.9 °F53.5 °F12.79 in.
December38.8 °F48.4 °F12.82 in.
Annual45.9 °F56.8 °F80.4 in.

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 : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate