Sun Valley weather in July 2025

Expect 79°F daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Sun Valley in July. Check more long-term weather averages for Sun Valley in July before you book your next holiday to Idaho in 2025/2026.

  • 79°F maximum daytime temperature in July in Sun Valley79
    79°F max day temperature
  • 12 hours of sunshine per day
  • 7 days with some rainfall in July in Sun Valley7
    7 days with some rainfall
  • 43°F minimum night-time temperature in July in Sun Valley43
    43°F min night temperature
  • 15 hours of daylight per day in July in Sun Valley15
    15 hours of daylight per day
  • No heat & humidity in July in Sun Valley0
    No heat & humidity
  • 0.8 inches monthly rainfall in July in Sun Valley0.8
    0.8 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Sun Valley10
    10 (Very High) UV index

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The July 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 hot is it in Sun Valley in July?

Daytime temperatures usually reach 79°F in Sun Valley in July with no heat and humidity, falling to 43°F at night.

How sunny is it in Sun Valley in July?

There are normally 12 hours of bright sunshine each day in Sun Valley in July - that's 78% of daylight hours.

Does it rain in Sun Valley in July?

There are usually 7 days with some rain in Sun Valley in July and the average monthly rainfall is 0.8 inches.

Sun Valley July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:00 20:23
Wednesday, 16th July 2025 05:11 20:16
Thursday, 31st July 2025 05:26 20:01

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