Coos Bay (OR)
December
Weather in Coos Bay, Oregon for December 2026
Your guide to Coos Bay weather in December - trends and predictions
Coos Bay in December brings notable rainfall, with an average of 17 rainy days and a total precipitation of 634.2 mm.
Is December a good time to visit Coos Bay? check out the best time to travel to Coos Bay page.
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14
Dry days
17
Rainy days
0
Snow days
11°/7°
Temperatures
24 km/h
Avg max wind
84 %
Avg humidity
Coos Bay Weather December
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Temperatures trend during December in Coos Bay
See the weather trend as well as the moving average line
December weather in Coos Bay day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Partly cloudy | 12° /4° | 0 mm | 1.5 | |
| Dec. 2 | Partly cloudy | 12° /6° | 0 mm | 1.5 | |
| Dec. 3 |  Cloudy | 12° /5° | 0 mm | 1.5 | |
| Dec. 4 |  Overcast | 11° /5° | 0 mm | 1.4 | |
| Dec. 5 |  Light rain | 13° /8° | 2.6 mm | 1.4 | |
| Dec. 6 | Cloudy | 12° /9° | 0 mm | 1.4 | |
| Dec. 7 |  Moderate rain | 11° /9° | 20.9 mm | 1.4 | |
| Dec. 8 |  Heavy rain | 11° /9° | 25.2 mm | 1.4 | |
| Dec. 9 | Heavy rain | 12° /8° | 39.6 mm | 1.4 | |
| Dec. 10 | Overcast | 12° /8° | 0 mm | 1.4 | |
| Dec. 11 | Light rain | 13° /9° | 4.4 mm | 1.4 | |
| Dec. 12 | Light rain | 11° /8° | 2.8 mm | 1.3 | |
| Dec. 13 | Moderate rain | 11° /7° | 18.9 mm | 1.3 | |
| Dec. 14 | Heavy rain | 11° /8° | 26.2 mm | 1.3 | |
| Dec. 15 | Moderate rain | 12° /9° | 16.6 mm | 1.3 | |
| Dec. 16 | Heavy rain | 11° /10° | 32.6 mm | 1.3 | |
| Dec. 17 | Heavy rain | 13° /9° | 40.3 mm | 1.3 | |
| Dec. 18 | Heavy rain | 13° /8° | 57.6 mm | 1.3 | |
| Dec. 19 | Heavy rain | 13° /9° | 78.1 mm | 1.3 | |
| Dec. 20 | Overcast | 12° /9° | 0 mm | 1.3 | |
| Dec. 21 | Heavy rain | 11° /8° | 33.5 mm | 1.3 | |
| Dec. 22 | Moderate rain | 11° /9° | 15.5 mm | 1.3 | |
| Dec. 23 | Moderate rain | 11° /8° | 20.1 mm | 1.3 | |
| Dec. 24 | Heavy rain | 11° /7° | 27.4 mm | 1.3 | |
| Dec. 25 | Moderate rain | 11° /7° | 13.2 mm | 1.3 | |
| Dec. 26 | Heavy rain | 11° /9° | 32.3 mm | 1.3 | |
| Dec. 27 | Moderate rain | 10° /7° | 23.4 mm | 1.3 | |
| Dec. 28 | Heavy rain | 10° /7° | 27.9 mm | 1.3 | |
| Dec. 29 | Heavy rain | 12° /6° | 65.1 mm | 1.3 | |
| Dec. 30 |  Heavy rain at times | 11° /7° | 5.9 mm | 1 | |
| Dec. 31 | Light rain | 9° /6° | 4 mm | 1 | |
| Next | |||||
Important Notice
Our weather forecast for Coos Bay 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 Bay forecast closer to your planned date for the most up-to-date weather information.
Change Month
Coos Bay in December - FAQ
What are the expected maximum and minimum temperatures in Coos Bay 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 Bay during December?
Significant rainfall exceeding 634.2 mm is expected in Coos Bay during December, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Coos Bay during December?
The average wind speed in Coos Bay during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Coos Bay
Explore the daily rainfall trends and prepare for Coos Bays December weather 💧
Typically, Coos Bay has 17 rainy days in December with a total of 634.2 mm of rainfall.
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