Sun Valley weather in July 2025

Expect 26°C 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.

  • 26°C maximum daytime temperature in July in Sun Valley26
    26°C max day temperature
  • 12 hours of sunshine per day
  • 7 days with some rainfall in July in Sun Valley7
    7 days with some rainfall
  • 6°C minimum night-time temperature in July in Sun Valley6
    6°C 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
  • 21 mm monthly rainfall in July in Sun Valley21
    21 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Sun Valley10
    10 (Very High) UV index

More about Sun Valley

Sun Valley by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Idaho

  • Join Marriott Bonvoy for the best rates on hotel stays
  • Exclusive membership perks & additional benefits
  • Includes discounts, upgrades & earn points free stays

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 / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in Sun Valley in July?

Daytime temperatures usually reach 26°C in Sun Valley in July with no heat and humidity, falling to 6°C 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 21mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^