Climate averages 1991–2020
Bend weather
in December.
A cold, wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Bend: daytime highs average 3.2°C and nights cool to about -4.9°C. By daytime temperature it is the coolest month of the year.
Expect about 96 mm of rain on roughly 13 days, which makes December a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 8 h 57 min on an average December day.
The nearest other city in this atlas is Eugene (142 km away). In December its highs average 8.2°C, 5.1°C warmer than Bend, with 206 mm of rain.
Among the 498 cities listed in the United States, Bend ranks 415th of 498 for the warmest December highs and joint 360th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Bend is 7.4°C cooler than that mean.
From December to January, average highs rise by 0.7°C to 3.8°C, and monthly rainfall falls from 96 mm to 71 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Bend climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.8°C-4.7°C | -4.7°C | 71 | 12.2 | 9.39 h |
| February | 5.2°C-4.2°C | -4.2°C | 56 | 11.1 | 10.410 h |
| March | 8.2°C-2.4°C | -2.4°C | 56 | 12.1 | 11.912 h |
| April | 11.7°C0.2°C | 0.2°C | 46 | 11.5 | 13.413 h |
| May | 16.9°C4.4°C | 4.4°C | 45 | 9.6 | 14.715 h |
| June | 21.4°C7.6°C | 7.6°C | 26 | 6.7 | 15.415 h |
| July | 27.7°C11.3°C | 11.3°C | 14 | 3.7 | 15.115 h |
| August | 27.2°C11.3°C | 11.3°C | 14 | 3.9 | 14.014 h |
| September | 22.9°C7.9°C | 7.9°C | 16 | 3.4 | 12.613 h |
| October | 15.0°C2.9°C | 2.9°C | 37 | 6.8 | 11.011 h |
| November | 7.6°C-1.5°C | -1.5°C | 69 | 11.6 | 9.710 h |
| December, selected | 3.2°C-4.9°C | -4.9°C | 96 | 13.1 | 9.09 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Eugene in DecemberUnited States · 142 kmHigh 8.2°C · Low 1.2°C · 206 mm rain
- Salem, United States in DecemberUnited States · 168 kmHigh 8.1°C · Low 1.9°C · 181 mm rain
- Gresham in DecemberUnited States · 183 kmHigh 6.8°C · Low 1.0°C · 244 mm rain
- Portland in DecemberUnited States · 195 kmHigh 7.7°C · Low 1.7°C · 193 mm rain
- Beaverton in DecemberUnited States · 198 kmHigh 7.3°C · Low 1.5°C · 193 mm rain
- Vancouver, United States in DecemberUnited States · 205 kmHigh 7.2°C · Low 1.3°C · 231 mm rain
- Hillsboro in DecemberUnited States · 210 kmHigh 7.4°C · Low 1.7°C · 204 mm rain
- Medford in DecemberUnited States · 230 kmHigh 8.7°C · Low 0.6°C · 158 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bend) is explained once on the Bend year overview and on the Sources, method and limits page.