Sun Valley Weather in January

By Kirsten Henton


Check the Weather in Sun Valley, Idaho in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall.

Max Daytime Temperature (°C) -2°C (28°F) Max Daytime Temperature in January in Sun Valley -2°C (28°F) in January
Min Night-time Temperature (°C) -14°C (7°F) Min Night-time Temperature in January in Sun Valley -14°C (7°F) in January
Hours of Sunshine (Daily) 4 Hours of Bright Sunshine per day (44% of Daylight Hours) in January in Sun Valley 4 Hours per day in January
Hours of Daylight (Daily) 9 Hours of Daylight in January in Sun Valley 9 Hours per day in January
Heat and Humidity Discomfort No heat & humidity in January in Sun Valley None in January
Days with some Rainfall 13 Days with some Rainfall in January in Sun Valley 13 Days in January
Monthly Rainfall (mm) 67 mm (2.6 inches) Monthly Rainfall in January in Sun Valley 67 mm (2.6 inches) in January
UV Index (Maximum) UV (Maximum) Index 2 (Low) in January in Sun Valley 2 (Low) in January
All Months Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C)  |  Imperial (°F) 
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Map of Idaho

Select a destination from the Idaho Map to view the january weather guide. Alternatively, select from the list of destinations below the map. Can't find the Idaho weather destination you are after? Try the Destination Search.

Boise   Coeur d'Alene   Idaho Falls   Lewiston   McCall   Salmon   Twin Falls  

Sun Valley weather by month

Check the weather for a particular month in Sun Valley by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Sun Valley. If you are not sure where to go, why not try our Holiday Planner.

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