Coos County (Coos Bay)
December
Weather in Coos County, Oregon for December 2025
Your guide to Coos County weather in December - trends and predictions
In general, the average temperature in Coos County at the beginning of December is 12.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 9.9 °F by the end of December.
Coos County in December brings notable rainfall, with an average of 20 rainy days and a total precipitation of 718.6 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
11°/7°
Temperatures
23 km/h
Avg max wind
83 %
Avg humidity
Coos County Weather December
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Temperatures trend during December in Coos County
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December weather in Coos County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Partly cloudy | 12° /2° | 0 mm | 4 | |
| Dec. 2 | Partly cloudy | 12° /4° | 0 mm | 4 | |
| Dec. 3 |  Cloudy | 13° /3° | 0 mm | 3 | |
| Dec. 4 |  Overcast | 12° /4° | 0 mm | 3 | |
| Dec. 5 |  Patchy rain possible | 13° /6° | 0.2 mm | 3 | |
| Dec. 6 | Cloudy | 12° /7° | 0 mm | 3 | |
| Dec. 7 |  Moderate or heavy rain shower | 11° /8° | 33.9 mm | 3 | |
| Dec. 8 | Moderate rain at times | 9° /6° | 0.9 mm | 2 | |
| Dec. 9 |  Sunny | 11° /4° | 0 mm | 4 | |
| Dec. 10 | Overcast | 12° /5° | 0 mm | 3 | |
| Dec. 11 | Moderate or heavy rain shower | 12° /7° | 8.8 mm | 3 | |
| Dec. 12 | Patchy rain possible | 10° /7° | 5.6 mm | 3 | |
| Dec. 13 | Moderate or heavy rain shower | 10° /7° | 37.7 mm | 3 | |
| Dec. 14 | Moderate or heavy rain shower | 9° /5° | 52.4 mm | 2 | |
| Dec. 15 | Moderate or heavy rain shower | 10° /6° | 14.3 mm | 3 | |
| Dec. 16 | Moderate or heavy rain shower | 10° /7° | 41.7 mm | 2 | |
| Dec. 17 | Moderate or heavy rain shower | 13° /10° | 40.8 mm | 3 | |
| Dec. 18 | Moderate or heavy rain shower | 14° /10° | 17.9 mm | 3 | |
| Dec. 19 | Overcast | 15° /10° | 0 mm | 4 | |
| Dec. 20 | Overcast | 15° /11° | 0 mm | 4 | |
| Dec. 21 | Moderate or heavy rain shower | 13° /9° | 45.3 mm | 3 | |
| Dec. 22 | Moderate or heavy rain shower | 13° /10° | 27.4 mm | 3 | |
| Dec. 23 | Moderate or heavy rain shower | 13° /8° | 31.1 mm | 3 | |
| Dec. 24 | Moderate or heavy rain shower | 10° /7° | 16.8 mm | 3 | |
| Dec. 25 | Moderate or heavy rain shower | 10° /6° | 26.5 mm | 3 | |
| Dec. 26 | Moderate or heavy rain shower | 11° /10° | 64.6 mm | 3 | |
| Dec. 27 | Moderate or heavy rain shower | 12° /8° | 46.9 mm | 3 | |
| Dec. 28 | Moderate or heavy rain shower | 11° /9° | 55.9 mm | 3 | |
| Dec. 29 | Moderate or heavy rain shower | 10° /7° | 130.2 mm | 3 | |
| Dec. 30 |  Heavy rain at times | 8° /6° | 11.8 mm | 2 | |
| Dec. 31 | Heavy rain at times | 7° /5° | 7.9 mm | 2 | |
| Next | |||||
Important Notice
Our weather forecast for Coos County 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 Coos County forecast closer to your planned date for the most up-to-date weather information.
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Coos County in December - FAQ
What are the expected maximum and minimum temperatures in Coos County during December?
During December, expect a variety of temperatures with highs around 11° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Coos County during December?
Significant rainfall exceeding 718.6 mm is expected in Coos County during December, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Coos County during December?
The average wind speed in Coos County during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Coos County
Explore the daily rainfall trends and prepare for Coos Countys December weather 💧
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Where is Coos County?Get accurate weather forecasts for Coos County, located at latitude 43.367 and longitude -124.218. Stay updated with localized weather information tailored for Coos County.
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