Sun Valley weather in April 2026

Expect daytime maximum temperatures of 10°C in Sun Valley, Idaho in April based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall.

  • 10°C maximum daytime temperature in April in Sun Valley10
    10°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in April in Sun Valley11
    11 days with some rainfall
  • -5°C minimum night-time temperature in April in Sun Valley-5
    -5°C min night temperature
  • 13 hours of daylight per day in April in Sun Valley13
    13 hours of daylight per day
  • No heat & humidity in April in Sun Valley0
    No heat & humidity
  • 33 mm monthly rainfall in April in Sun Valley33
    33 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Sun Valley6
    6 (High) UV index

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The April 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 / mm)  |  Imperial (°F / inches)

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How warm is it in Sun Valley in April?

Daytime temperatures usually reach 16°C in Sun Valley in April, falling to 2°C at night.

How sunny is it in Sun Valley in April?

There are normally 9 hours of bright sunshine each day in Sun Valley in April - that's 69% of daylight hours.

Does it rain in Sun Valley in April?

There are usually 8 days with some rain in Sun Valley in April and the average monthly rainfall is 30mm.

Sun Valley April sunrise & sunset times

Browse the sunrise and sunset times for Sun Valley in April 2026. Select a month to view Sun Valley sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 06:19 19:04
Wednesday, 15th April 2026 05:54 19:21
Thursday, 30th April 2026 05:31 19:39

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