Idaho (Coeur d'Alene)
December
Weather in Idaho for December 2026
Your guide to Idaho weather in December - trends and predictions
The climate of Idaho in December is quite snowy, averaging 14 snowy days.
In general, the average temperature in Idaho at the beginning of December is 1.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 2.9 °C by the end of December.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
More
9
Dry days
8
Rainy days
14
Snow days
3°/-1°
Temperatures
10 km/h
Avg max wind
89 %
Avg humidity
Idaho Weather December
Move between months or click on a day
What’s the Weather Like in Idaho This December?
Discover the average temperatures and weather trends across Idaho’s cities this December.
Temperatures trend during December in Idaho
See the weather trend as well as the moving average line
December weather in Idaho day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 3° /-4° | 0 mm | 0 cm | |
| Dec. 2 | Overcast | 1° /-4° | 0 mm | 0 cm | |
| Dec. 3 | Overcast | 0° /-3° | 0 mm | 0 cm | |
| Dec. 4 | Overcast | 1° /-2° | 13.6 mm | 9.8 cm | |
| Dec. 5 | Overcast | 2° /-2° | 11.4 mm | 4.7 cm | |
| Dec. 6 | Overcast | 2° /0° | 0 mm | 0 cm | |
| Dec. 7 |  Moderate or heavy snow showers | 2° /0° | 12.2 mm | 4.3 cm | |
| Dec. 8 | Moderate or heavy snow showers | 4° /1° | 35.4 mm | 1.1 cm | |
| Dec. 9 | Overcast | 4° /0° | 13.9 mm | 0 cm | |
| Dec. 10 | Overcast | 4° /0° | 18.8 mm | 3.1 cm | |
| Dec. 11 | Overcast | 5° /0° | 4.6 mm | 0 cm | |
| Dec. 12 | Overcast | 3° /-1° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 7° /3° | 0.2 mm | 0 cm | |
| Dec. 14 |  Moderate or heavy rain shower | 7° /3° | 9.9 mm | 0 cm | |
| Dec. 15 |  Light freezing rain | 4° /1° | 21.2 mm | 0 cm | |
| Dec. 16 |  Patchy moderate snow | 3° /0° | 4.2 mm | 1.7 cm | |
| Dec. 17 |  Patchy rain possible | 4° /0° | 28 mm | 2.6 cm | |
| Dec. 18 | Moderate or heavy rain shower | 6° /0° | 27.4 mm | 6.1 cm | |
| Dec. 19 | Overcast | 6° /-1° | 6.1 mm | 0.2 cm | |
| Dec. 20 | Overcast | 3° /-1° | 0.1 mm | 0 cm | |
| Dec. 21 | Moderate or heavy rain shower | 5° /-1° | 7.8 mm | 2.9 cm | |
| Dec. 22 | Overcast | 4° /1° | 0.9 mm | 0 cm | |
| Dec. 23 | Moderate or heavy rain shower | 3° /1° | 4.7 mm | 0 cm | |
| Dec. 24 | Moderate or heavy rain shower | 5° /1° | 8.2 mm | 0 cm | |
| Dec. 25 | Patchy rain possible | 5° /0° | 0.3 mm | 0 cm | |
| Dec. 26 | Moderate or heavy snow showers | 4° /0° | 30.5 mm | 8.3 cm | |
| Dec. 27 | Patchy rain possible | 2° /-6° | 7.8 mm | 4.4 cm | |
| Dec. 28 | Moderate or heavy rain shower | 1° /-7° | 7.1 mm | 0 cm | |
| Dec. 29 | Moderate or heavy rain shower | 2° /-2° | 14.9 mm | 1.4 cm | |
| Dec. 30 |  Moderate snow | 3° /-1° | 4.2 mm | 1.1 cm | |
| Dec. 31 |  Freezing fog | 3° /-2° | 0 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Idaho 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 Idaho forecast closer to your planned date for the most up-to-date weather information.
Change Month
Idaho in December - FAQ
What are the expected maximum and minimum temperatures in Idaho during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Idaho during December?
Significant rainfall exceeding 293.3 mm is expected in Idaho during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Idaho in December 2026?
Idaho experiences an average snowfall of 51.83 cm during December, occurring over 14 days.
What are the typical wind conditions in Idaho during December?
The average wind speed in Idaho during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
Idaho snow forecast December 2026
Track daily snowfall levels and discover Idaho’s snowy potential this December ❄️
On average, Idaho sees 14 snowy days during December, with approximately 51.8 cm of total snowfall.
December rainfall patterns in Idaho
Explore the daily rainfall trends and prepare for Idahos December weather 💧
Typically, Idaho has 8 rainy days in December with a total of 293.3 mm of rainfall.
Counties in Idaho
Select a county for an accurate weather forecast
Top locations in Idaho
Select a location for an accurate weather forecast
More Locations Quick links
More Idaho weather pages
You are here
Where is Idaho?Get accurate weather forecasts for Idaho, located at latitude 47.678 and longitude -116.78. Stay updated with localized weather information tailored for Idaho.
Found a mistake?
We appreciate your attention to details. Tell us here.