Oregon weather in December
The state broadly agrees with itself in December: afternoons run 47° in Portland and 41° in Bend, with everywhere else in between.
Based on 2 weather stations. Two stations on opposite sides of the Cascades — Portland’s drizzle and Bend’s high-desert sun are the state’s two weather personalities, though the coast itself isn’t measured here.
Portland & the Willamette Valley
Highs near 47°, nights around 36°, and 5.8 in of rain in a typical December.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Portland | 47° / 36° | 13 | 1.2 in | The year's soggiest stretch, and its most brightly lit. |
Central Oregon
Highs near 41°, nights around 23°, and 5.3 in of snow in a typical December.
| Place | Highs / lows | Wet days | Snow | The short version |
|---|---|---|---|---|
| Bend | 41° / 23° | 4 | 5.3 in | The lifts finally spin, and the town exhales. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.