Gaston Oregon Climate Data

Monthly Average Climate Data for Gaston Oregon

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.4 °F46.8 °F7.19 in.
February35.5 °F50.5 °F5.09 in.
March37.9 °F55.4 °F4.97 in.
April40.8 °F60.6 °F3.34 in.
May46.3 °F68.0 °F2.14 in.
June50.5 °F73.1 °F1.26 in.
July54.6 °F81.3 °F0.3 in.
August54.6 °F82.2 °F0.45 in.
September50.5 °F76.3 °F1.37 in.
October44.1 °F63.8 °F3.65 in.
November38.8 °F52.4 °F6.84 in.
December34.9 °F45.7 °F8.59 in.
Annual43.7 °F63 °F45.19 in.

Climate Data for Gaston 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 ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate