Sun Valley weather in January

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.

  • -2°C maximum daytime temperature in January in Sun Valley-2
    -2°C max day temperature
  • 4 hours of sunshine per day (44% of daylight hours) in January in Sun Valley4
    4 hours of sunshine per day
  • 13 days with some rainfall in January in Sun Valley13
    13 days with some rainfall
  • -14°C minimum night-time temperature in January in Sun Valley-14
    -14°C min night temperature
  • 9 hours of daylight per day in January in Sun Valley9
    9 hours of daylight per day
  • No heat & humidity in January in Sun Valley0
    No heat & humidity
  • 67 mm monthly rainfall in January in Sun Valley67
    67 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Sun Valley2
    2 (Low) UV index

Metric (°C / mm)  |  Imperial (°F / inches)

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