Boise
January
Weather in Boise for January 2026
Your guide to Boise weather in January - trends and predictions
The climate of Boise in January is quite snowy, averaging 14 snowy days.
In general, the average temperature in Boise at the beginning of January is 2.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 3.1 °F by the end of January.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
More
10
Dry days
7
Rainy days
14
Snow days
1°/-4°
Temperatures
13 km/h
Avg max wind
88 %
Avg humidity
Boise Weather January
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  2° | 2 5° | 3  4° | ||||
| 4 3° | 5  3° | 6 1° | 7  -0° | 8  -1° | 9 0° | 10  0° |
| 11 0° | 12 -0° | 13 -3° | 14  -3° | 15  -2° | 16 -4° | 17 0° |
| 18  1° | 19 1° | 20 -1° | 21  2° | 22 3° | 23 2° | 24  2° |
| 25 1° | 26 1° | 27  1° | 28 2° | 29  4° | 30 7° | 31 6° |
You can click on date
Access Boise weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during January in Boise
See the weather trend as well as the moving average line
January weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Sunny | 2° /-2° | 15.6 mm | 10.4 cm | |
| Jan. 2 | Sunny | 5° /-1° | 5.6 mm | 1.7 cm | |
| Jan. 3 | Overcast | 4° /0° | 6.9 mm | 0 cm | |
| Jan. 4 | Overcast | 3° /-1° | 11.5 mm | 1.4 cm | |
| Jan. 5 | Heavy snow | 3° /-1° | 2.8 mm | 0.6 cm | |
| Jan. 6 | Heavy snow | 1° /-3° | 3.2 mm | 2.7 cm | |
| Jan. 7 | Partly cloudy | 0° /-6° | 0 mm | 0 cm | |
| Jan. 8 | Moderate snow | -1° /-5° | 1.6 mm | 1.3 cm | |
| Jan. 9 | Heavy snow | 0° /-3° | 5.8 mm | 4.7 cm | |
| Jan. 10 | Moderate or heavy snow showers | 0° /-7° | 3.4 mm | 2.8 cm | |
| Jan. 11 | Moderate snow | 0° /-6° | 0.6 mm | 0.4 cm | |
| Jan. 12 | Heavy snow | 0° /-5° | 5.8 mm | 3.5 cm | |
| Jan. 13 | Heavy snow | -3° /-9° | 7.7 mm | 6.6 cm | |
| Jan. 14 | Light snow | -3° /-10° | 2 mm | 1.6 cm | |
| Jan. 15 | Mist | -2° /-9° | 0 mm | 0 cm | |
| Jan. 16 | Mist | -4° /-11° | 0 mm | 0 cm | |
| Jan. 17 | Heavy snow | 0° /-8° | 7.2 mm | 6.2 cm | |
| Jan. 18 | Light freezing rain | 1° /-4° | 1.3 mm | 0 cm | |
| Jan. 19 | Moderate snow | 1° /-4° | 0.6 mm | 0 cm | |
| Jan. 20 | Heavy snow | -1° /-5° | 1.6 mm | 1.3 cm | |
| Jan. 21 | Light sleet | 2° /-6° | 3.1 mm | 0 cm | |
| Jan. 22 | Fog | 3° /-3° | 1.8 mm | 0 cm | |
| Jan. 23 | Light snow | 2° /-4° | 1.6 mm | 0 cm | |
| Jan. 24 | Freezing fog | 2° /-3° | 0.1 mm | 0.1 cm | |
| Jan. 25 | Heavy snow | 1° /-6° | 2.8 mm | 0.9 cm | |
| Jan. 26 | Mist | 1° /-10° | 0 mm | 0 cm | |
| Jan. 27 | Light drizzle | 1° /-6° | 2.4 mm | 0 cm | |
| Jan. 28 | Light drizzle | 2° /-5° | 0.6 mm | 0 cm | |
| Jan. 29 | Patchy rain possible | 4° /-5° | 0 mm | 0 cm | |
| Jan. 30 | Sunny | 7° /-3° | 0 mm | 0 cm | |
| Jan. 31 | Sunny | 6° /-1° | 5.8 mm | 3.5 cm | |
| Next | |||||
Important Notice
Our weather forecast for Boise 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 Boise forecast closer to your planned date for the most up-to-date weather information.
Boise in January - FAQ
What are the expected maximum and minimum temperatures in Boise during January?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Boise during January?
Significant rainfall exceeding 108.4 mm is expected in Boise during January, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Boise in January 2026?
Boise experiences an average snowfall of 65.64 cm during January, occurring over 14 days.
What are the typical wind conditions in Boise during January?
The average wind speed in Boise during January is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Boise snow forecast January 2026
Track daily snowfall levels and discover Boise’s snowy potential this January ❄️
January rainfall patterns in Boise
Explore the daily rainfall trends and prepare for Boises January weather 💧
Quick links
You are here
Where is Boise?Get accurate weather forecasts for Boise, located at latitude 43.614 and longitude -116.203. Stay updated with localized weather information tailored for Boise.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.