easeweather.com
Oregon (Portland)
Astoria (OR)Baker City (OR)Bend (OR)Brookings (OR)Cannon Beach (OR)Coos Bay (OR)Eugene (OR)Florence (OR)Grants Pass (OR)Medford (OR)Newport (OR)Pendleton (OR)Portland (OR)Salem (OR) More Locations
United States weather

Weather in Oregon for December 2025

Your guide to Oregon weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Oregon usually enjoys a light touch of snow in December.
    According to Oregon snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, December 2025 in Oregon has been nearly identical to the historical average, with a temperature of 9.5 °F (showing only a slight deviation of 0.4 °F).

  • Expect cooler weather in the next days in Oregon with the forecast suggesting a temperature of 8.2 °F, lower than the historical average.

  • In general, the average temperature in Oregon at the beginning of December is 9.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 7.6 °F by the end of December.

    • Rain 🌧️

  • Oregon experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 408.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
3
Dry days
Average rainy days
26
Rainy days
Average snowy days
2
Snow days
Average temperatures
8°/4°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Oregon Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain
8°
2
Light rain shower
9°
3
Heavy rain
9°
4
Light rain
10°
5
Heavy rain
10°
6
Overcast
10°
7
Light rain shower
9°
8
Fog
9°
9
Moderate rain
8°
10
Moderate rain
10°
11
Light drizzle
10°
12
Mist
9°
13
Partly cloudy
9°
14
Patchy rain possible
8°
15
Overcast
10°
16
Moderate rain
14°
17
Heavy rain
7°
18
Heavy rain
13°
19
Heavy rain
9°
20
Patchy rain possible
6°
21
Patchy rain possible
9°
22
Moderate rain
6°
23
Patchy rain possible
5°
24
Patchy rain possible
8°
25
Moderate rain
6°
26
Moderate rain
5°
27
Moderate rain
8°
28
Heavy rain
11°
29
Patchy rain possible
8°
30
Heavy rain at times
8°
31
Fog
7°

What’s the Weather Like in Oregon This December?

Discover the average temperatures and weather trends across Oregon’s cities this December.
Patchy rain possiblePortland8 °F / 4 °FCloudyEugene10 °F / 4 °FPatchy rain possibleAstoria9 °F / 7 °FCloudySalem9 °F / 4 °FPatchy rain possibleBend5 °F / -1 °FCloudyMedford11 °F / 3 °FPatchy rain possibleCoos Bay11 °F / 7 °FPatchy rain possibleGrants Pass10 °F / 3 °FOvercastBaker City2 °F / -3 °FModerate or heavy rain showerNewport10 °F / 7 °FModerate or heavy rain showerPendleton6 °F / 1 °FModerate or heavy rain showerBrookings12 °F / 7 °FMore Locations

Temperatures trend during December in Oregon

See the weather trend as well as the moving average line

December weather in Oregon day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Moderate rain
Moderate rain
 8° /1° 2 mm 2
Dec. 2 Light rain shower
Light rain shower
 9° /4° 14.7 mm 2
Dec. 3 Heavy rain
Heavy rain
 9° /3° 21.3 mm 2
Dec. 4 Light rain
Light rain
 10° /5° 1.7 mm 3
Dec. 5 Heavy rain
Heavy rain
 10° /5° 25 mm 3
Dec. 6 Overcast
Overcast
 10° /5° 16.5 mm 3
Dec. 7 Light rain shower
Light rain shower
 9° /6° 25.4 mm 2
Dec. 8 Fog
Fog
 9° /6° 21.4 mm 2
Dec. 9 Moderate rain
Moderate rain
 8° /4° 49.9 mm 2
Dec. 10 Moderate rain
Moderate rain
 10° /5° 11.9 mm 2
Dec. 11 Light drizzle
Light drizzle
 10° /6° 0.6 mm 2
Dec. 12 Mist
Mist
 9° /5° 2.6 mm 2
Dec. 13 Partly cloudy
Partly cloudy
 9° /6° 5.6 mm 2
Dec. 14 Patchy rain possible
Patchy rain possible
 8° /5° 8.8 mm 2
Dec. 15 Overcast
Overcast
 10° /6° 2.1 mm 2
Dec. 16 Moderate rain
Moderate rain
 14° /11° 17 mm 0.1
Dec. 17 Heavy rain
Heavy rain
 7° /6° 40.3 mm 0.2
Dec. 18 Heavy rain
Heavy rain
 13° /5° 90.5 mm 0
Dec. 19 Heavy rain
Heavy rain
 9° /4° 33.3 mm 0.1
Dec. 20 Patchy rain possible
Patchy rain possible
 6° /3° 0.8 mm 0
Dec. 21 Patchy rain possible
Patchy rain possible
 9° /2° 1.6 mm 1
Dec. 22 Moderate rain
Moderate rain
 6° /3° 8.4 mm 2
Dec. 23 Patchy rain possible
Patchy rain possible
 5° /2° 1.2 mm 1
Dec. 24 Patchy rain possible
Patchy rain possible
 8° /3° 0.9 mm 1
Dec. 25 Moderate rain
Moderate rain
 6° /4° 6.3 mm 1
Dec. 26 Moderate rain
Moderate rain
 5° /2° 6.1 mm 1
Dec. 27 Moderate rain
Moderate rain
 8° /6° 10.2 mm 2
Dec. 28 Heavy rain
Heavy rain
 11° /8° 26.1 mm 2
Dec. 29 Patchy rain possible
Patchy rain possible
 8° /4° 1 mm 2
Dec. 30 Heavy rain at times
Heavy rain at times
 8° /5° 4.9 mm 2
Dec. 31 Fog
Fog
 7° /3° 1.3 mm 2
Next
Important Notice
Our weather forecast for Oregon in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Oregon forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Oregon in December - FAQ

What are the expected maximum and minimum temperatures in Oregon during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.
How much rainfall should be expected in Oregon during December?
Significant rainfall exceeding 408.9 mm is expected in Oregon during December, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Oregon in December 2025?
Oregon experiences an average snowfall of 1.75667 cm during December, occurring over 2 days.
What are the typical wind conditions in Oregon during December?
The average wind speed in Oregon during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Oregon

Explore the daily rainfall trends and prepare for Oregons December weather 💧
Typically, Oregon has 26 rainy days in December with a total of 408.9 mm of rainfall.
Counties in Oregon
Select a county for an accurate weather forecast
Baker CountyClatsop CountyCoos CountyCurry CountyDeschutes CountyJackson CountyJosephine CountyLane CountyLincoln CountyMarion CountyMultnomah CountyUmatilla County
Top locations in Oregon
Select a location for an accurate weather forecast
AstoriaBaker CityBendCoos BayEugeneGrants PassMedfordNewportPortlandSalem
More Locations

Quick links

More Oregon weather pages
You are here
Location coordinates Where is Oregon?

Get accurate weather forecasts for Oregon, located at latitude 45.523 and longitude -122.676. Stay updated with localized weather information tailored for Oregon.

Found a mistake?
We appreciate your attention to details. Tell us here.