Oregon weather by month

Average temperatures and rainfall across Oregon, based on 30 years of climate data.

Monthly climate (Portland)

MonthHigh / LowRainfallWet days
Jan47° / 36°6.6 in17.3
Feb50° / 37°5.0 in14.8
Mar55° / 39°5.7 in17.5
Apr60° / 42°4.5 in16.1
May67° / 48°2.8 in11.1
Jun72° / 52°1.7 in7.6
Jul80° / 56°0.5 in2.3
Aug81° / 56°0.6 in2.6
Sep75° / 52°1.6 in6.2
Oct63° / 46°4.2 in11.9
Nov52° / 40°6.9 in17.3
Dec46° / 36°7.6 in18

Cities in Oregon