Boise (ID)
January
Weather in Boise, Idaho for January 2027
Your guide to Boise weather in January - trends and predictions
Boise typically experiences moderate snowfall in January, with an average of 7 snowy days.
In general, the average temperature in Boise at the beginning of January is 3.2 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 3.6 °C by the end of January.
Is January a good time to visit Boise? check out the best time to travel to Boise page.
✨ Is January a good time to visit Boise? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
More
20
Dry days
4
Rainy days
7
Snow days
2°/-4°
Temperatures
11 km/h
Avg max wind
85 %
Avg humidity
Boise Weather January
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Temperatures trend during January in Boise
See the weather trend as well as the moving average line
January weather in Boise day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Moderate snow | 3° /-1° | 16.3 mm | 6.9 cm | |
| Jan. 2 |  Light snow | 5° /0° | 21.9 mm | 1.1 cm | |
| Jan. 3 |  Light rain | 5° /0° | 4.6 mm | 0 cm | |
| Jan. 4 | Light rain | 4° /1° | 7.6 mm | 0.9 cm | |
| Jan. 5 | Light rain | 3° /-1° | 7.3 mm | 0.4 cm | |
| Jan. 6 | Light snow | 2° /-2° | 4.2 mm | 1.8 cm | |
| Jan. 7 | Light snow | 1° /-4° | 3.4 mm | 0.5 cm | |
| Jan. 8 | Light snow | -1° /-4° | 1.1 mm | 0.9 cm | |
| Jan. 9 | Light snow | 1° /-2° | 3.8 mm | 3.1 cm | |
| Jan. 10 | Light snow | 2° /-5° | 2.2 mm | 1.9 cm | |
| Jan. 11 | Moderate snow | 1° /-5° | 0.4 mm | 0.2 cm | |
| Jan. 12 | Light snow | 1° /-5° | 3.9 mm | 2.3 cm | |
| Jan. 13 | Light snow | 0° /-6° | 5.2 mm | 4.4 cm | |
| Jan. 14 | Light snow | 0° /-7° | 1.3 mm | 1.1 cm | |
| Jan. 15 |  Mist | -1° /-6° | 0 mm | 0 cm | |
| Jan. 16 | Mist | -3° /-8° | 0 mm | 0 cm | |
| Jan. 17 | Light snow | 1° /-6° | 4.8 mm | 4.1 cm | |
| Jan. 18 |  Light freezing rain | 1° /-3° | 0.8 mm | 0 cm | |
| Jan. 19 |  Overcast | 1° /-3° | 0.4 mm | 0 cm | |
| Jan. 20 | Light snow | 0° /-5° | 1.1 mm | 0.9 cm | |
| Jan. 21 |  Light sleet | 1° /-5° | 2.1 mm | 0 cm | |
| Jan. 22 |  Patchy rain possible | 1° /-3° | 1.2 mm | 0 cm | |
| Jan. 23 | Light snow | 2° /-4° | 1.1 mm | 0 cm | |
| Jan. 24 |  Freezing fog | 1° /-4° | 0.1 mm | 0 cm | |
| Jan. 25 | Patchy rain possible | 1° /-5° | 1.9 mm | 0.6 cm | |
| Jan. 26 | Mist | 1° /-8° | 0 mm | 0 cm | |
| Jan. 27 | Light drizzle | 3° /-4° | 1.6 mm | 0 cm | |
| Jan. 28 | Light rain | 3° /-4° | 3.3 mm | 1.2 cm | |
| Jan. 29 | Patchy rain possible | 4° /-3° | 0 mm | 0 cm | |
| Jan. 30 |  Sunny | 6° /-2° | 0 mm | 0 cm | |
| Jan. 31 | Light snow | 6° /0° | 3.9 mm | 2.4 cm | |
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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.
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Boise in January - FAQ
What are the expected maximum and minimum temperatures in Boise during January?
Brace for cold days with temperatures not exceeding 2° 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 105.6 mm is expected in Boise during January, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Boise in January 2027?
Boise experiences an average snowfall of 34.7 cm during January, occurring over 7 days.
What are the typical wind conditions in Boise during January?
The average wind speed in Boise during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
Boise snow forecast January 2027
Track daily snowfall levels and discover Boise’s snowy potential this January ❄️
On average, Boise sees 7 snowy days during January, with approximately 34.7 cm of total snowfall.
January rainfall patterns in Boise
Explore the daily rainfall trends and prepare for Boises January weather 💧
Typically, Boise has 4 rainy days in January with a total of 105.6 mm of rainfall.
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