Eugene (OR)
December
Weather in Eugene, Oregon for December 2026
Your guide to Eugene weather in December - trends and predictions
In general, the average temperature in Eugene at the beginning of December is 10 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 8.9 °C by the end of December.
Eugene in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 424.4 mm.
Is December a good time to visit Eugene? check out the best time to travel to Eugene page.
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Temperatures
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
10°/4°
Temperatures
10 km/h
Avg max wind
87 %
Avg humidity
Eugene Weather December
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Temperatures trend during December in Eugene
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December weather in Eugene day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Light rain | 8° /2° | 1.2 mm | 1.4 | |
| Dec. 2 |  Moderate rain | 9° /1° | 20 mm | 1.4 | |
| Dec. 3 |  Heavy rain | 9° /3° | 25.1 mm | 1.4 | |
| Dec. 4 |  Overcast | 11° /4° | 0 mm | 1.3 | |
| Dec. 5 | Moderate rain | 13° /6° | 13.6 mm | 1.3 | |
| Dec. 6 | Light rain | 11° /5° | 8.2 mm | 1.3 | |
| Dec. 7 |  Moderate or heavy rain with thunder | 9° /5° | 29.9 mm | 1.3 | |
| Dec. 8 | Light rain | 8° /4° | 7.2 mm | 1.3 | |
| Dec. 9 | Moderate rain | 9° /3° | 22.3 mm | 1.3 | |
| Dec. 10 | Moderate rain | 9° /5° | 10.2 mm | 1.3 | |
| Dec. 11 |  Patchy rain possible | 12° /5° | 1.9 mm | 1.3 | |
| Dec. 12 | Light rain | 10° /4° | 8.2 mm | 1.3 | |
| Dec. 13 | Light rain | 12° /4° | 3.8 mm | 1.2 | |
| Dec. 14 | Moderate rain | 10° /5° | 15.5 mm | 1.2 | |
| Dec. 15 | Light rain | 11° /6° | 3.1 mm | 1.2 | |
| Dec. 16 | Moderate rain | 10° /6° | 17.1 mm | 1.2 | |
| Dec. 17 | Heavy rain | 11° /5° | 32.2 mm | 1.2 | |
| Dec. 18 | Heavy rain | 11° /5° | 50.2 mm | 1.2 | |
| Dec. 19 | Heavy rain | 12° /6° | 42.7 mm | 1.2 | |
| Dec. 20 | Overcast | 11° /6° | 0 mm | 1.2 | |
| Dec. 21 | Moderate rain | 10° /5° | 13.1 mm | 1.2 | |
| Dec. 22 | Light rain | 9° /4° | 5.4 mm | 1.2 | |
| Dec. 23 | Light rain | 8° /4° | 7.1 mm | 1.2 | |
| Dec. 24 | Patchy rain possible | 11° /4° | 2.3 mm | 1.2 | |
| Dec. 25 | Light rain | 9° /4° | 3.6 mm | 1 | |
| Dec. 26 | Moderate rain | 10° /6° | 13.8 mm | 1.2 | |
| Dec. 27 | Light rain | 8° /5° | 9.6 mm | 1.2 | |
| Dec. 28 | Light rain | 9° /3° | 9.2 mm | 1.2 | |
| Dec. 29 | Heavy rain | 9° /4° | 41.2 mm | 1.3 | |
| Dec. 30 | Light rain | 9° /3° | 6.2 mm | 1.3 | |
| Dec. 31 |  Mist | 8° /0° | 0.4 mm | 1 | |
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Important Notice
Our weather forecast for Eugene 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 Eugene forecast closer to your planned date for the most up-to-date weather information.
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Eugene in December - FAQ
What are the expected maximum and minimum temperatures in Eugene during December?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 4°.
How much rainfall should be expected in Eugene during December?
Significant rainfall exceeding 424.4 mm is expected in Eugene during December, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Eugene during December?
The average wind speed in Eugene during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Eugene
Explore the daily rainfall trends and prepare for Eugenes December weather 💧
Typically, Eugene has 16 rainy days in December with a total of 424.4 mm of rainfall.
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