Seaside Oregon Climate Data

Monthly Average Climate Data for Seaside Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4 °C9.9 °C273.56 mm
February3.8 °C10.9 °C216.41 mm
March4.7 °C11.9 °C218.19 mm
April5.6 °C12.2 °C169.42 mm
May8.3 °C14.5 °C95 mm
June9.9 °C15.6 °C68.07 mm
July12.1 °C18.2 °C22.86 mm
August11.9 °C18.2 °C33.02 mm
September10.9 °C18.2 °C68.58 mm
October8.3 °C15.6 °C171.45 mm
November6.1 °C12.4 °C282.96 mm
December3.8 °C9.8 °C294.39 mm
Annual45.4 °C57.1 °C75.35 mm

Climate Data for Seaside Oregon

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost30-40 Days
Plant Hardiness ZoneZone 9a : -6.7°C to -3.9°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate