Sun Valley weather in March 2025

Expect 39°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Sun Valley in March. Check more long-term weather averages for Sun Valley in March before you book your next holiday to Idaho in 2025/2026.

  • 39°F maximum daytime temperature in March in Sun Valley39
    39°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in March in Sun Valley13
    13 days with some rainfall
  • 16°F minimum night-time temperature in March in Sun Valley16
    16°F min night temperature
  • 12 hours of daylight per day in March in Sun Valley12
    12 hours of daylight per day
  • No heat & humidity in March in Sun Valley0
    No heat & humidity
  • 1.7 inches monthly rainfall in March in Sun Valley1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Sun Valley4
    4 (Moderate) UV index

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The March weather guide for Idaho (Sun Valley) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How cold is it in Sun Valley in March?

Daytime temperatures usually reach 39°F in Sun Valley in March, falling to 16°F at night.

How sunny is it in Sun Valley in March?

There are normally 7 hours of bright sunshine each day in Sun Valley in March - that's 62% of daylight hours.

Does it rain in Sun Valley in March?

There are usually 13 days with some rain in Sun Valley in March and the average monthly rainfall is 1.7 inches. Rain may fall as snow in this month.

Sun Valley March sunrise & sunset times

Browse the sunrise and sunset times for Sun Valley in March 2025. Select a month to view Sun Valley sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 07:13 18:27
Sunday, 16th March 2025 06:47 18:45
Monday, 31st March 2025 06:20 19:04

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