Coos Bay (OR)
January
Weather in Coos Bay, Oregon for January 2026
Your guide to Coos Bay weather in January - trends and predictions
In general, the average temperature in Coos Bay at the beginning of January is 11.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 10 °F by the end of January.
Coos Bay experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 261.3 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
23
Dry days
8
Rainy days
0
Snow days
11°/4°
Temperatures
19 km/h
Avg max wind
78 %
Avg humidity
Coos Bay Weather January
Move between months or click on a day
Temperatures trend during January in Coos Bay
See the weather trend as well as the moving average line
January weather in Coos Bay day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Moderate or heavy rain shower | 10° /7° | 14.5 mm | 3 | |
| Jan. 2 | Moderate or heavy rain shower | 13° /10° | 56 mm | 3 | |
| Jan. 3 | Moderate or heavy rain shower | 12° /8° | 63.7 mm | 3 | |
| Jan. 4 | Moderate or heavy rain shower | 9° /7° | 29 mm | 2 | |
| Jan. 5 | Moderate or heavy rain shower | 12° /9° | 56.8 mm | 3 | |
| Jan. 6 |  Heavy rain at times | 13° /8° | 18.1 mm | 3 | |
| Jan. 7 |  Sunny | 13° /5° | 0 mm | 4 | |
| Jan. 8 |  Overcast | 14° /6° | 0 mm | 3 | |
| Jan. 9 | Overcast | 17° /9° | 0 mm | 4 | |
| Jan. 10 | Moderate or heavy rain shower | 10° /7° | 10.1 mm | 3 | |
| Jan. 11 | Overcast | 8° /6° | 0.3 mm | 2 | |
| Jan. 12 |  Patchy rain possible | 9° /6° | 0.1 mm | 2 | |
| Jan. 13 |  Partly cloudy | 10° /3° | 0 mm | 4 | |
| Jan. 14 | Overcast | 12° /3° | 0 mm | 3 | |
| Jan. 15 |  Cloudy | 14° /5° | 0 mm | 3 | |
| Jan. 16 | Overcast | 7° /4° | 0 mm | 2 | |
| Jan. 17 | Overcast | 8° /2° | 0 mm | 2 | |
| Jan. 18 | Sunny | 9° /0° | 0 mm | 3 | |
| Jan. 19 | Sunny | 11° /2° | 0 mm | 4 | |
| Jan. 20 | Sunny | 13° /2° | 0 mm | 4 | |
| Jan. 21 | Overcast | 10° /1° | 0 mm | 3 | |
| Jan. 22 | Cloudy | 13° /1° | 0 mm | 3 | |
| Jan. 23 | Overcast | 12° /5° | 0 mm | 3 | |
| Jan. 24 | Overcast | 8° /4° | 0 mm | 2 | |
| Jan. 25 | Sunny | 9° /1° | 0 mm | 3 | |
| Jan. 26 | Sunny | 9° /0° | 0 mm | 3 | |
| Jan. 27 | Sunny | 14° /3° | 0 mm | 4 | |
| Jan. 28 | Sunny | 12° /3° | 0 mm | 4 | |
| Jan. 29 | Cloudy | 9° /0° | 0 mm | 2 | |
| Jan. 30 | Overcast | 8° /3° | 0 mm | 2 | |
| Jan. 31 |  Moderate or heavy rain with thunder | 9° /7° | 12.8 mm | 2 | |
| Next | |||||
Important Notice
Our weather forecast for Coos Bay in January 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 January - FAQ
What are the expected maximum and minimum temperatures in Coos Bay during January?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 4°.
How much rainfall should be expected in Coos Bay during January?
Significant rainfall exceeding 261.3 mm is expected in Coos Bay during January, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Coos Bay during January?
The average wind speed in Coos Bay during January is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Coos Bay
Explore the daily rainfall trends and prepare for Coos Bays January weather 💧
Quick links
More Coos Bay weather pages
You are here
Where is Coos Bay?Get accurate weather forecasts for Coos Bay, located at latitude 43.367 and longitude -124.218. Stay updated with localized weather information tailored for Coos Bay.
Found a mistake?
We appreciate your attention to details. Tell us here.