Boise weather in July 2025

Expect 90°F daytime maximum temperatures in the shade with on average 13 hours of sunshine per day in Boise in July. Check more long-term weather averages for Boise in July before you book your next holiday to Idaho in 2025/2026.

  • 90°F maximum daytime temperature in July in Boise90
    90°F max day temperature
  • 13 hours of sunshine per day
  • 3 days with some rainfall in July in Boise3
    3 days with some rainfall
  • 57°F minimum night-time temperature in July in Boise57
    57°F min night temperature
  • 15 hours of daylight per day in July in Boise15
    15 hours of daylight per day
  • Moderate heat & humidity in July in BoiseM
    Moderate heat & humidity
  • 0.3 inches monthly rainfall in July in Boise0.3
    0.3 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Boise9
    9 (Very High) UV index

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The July weather guide for Idaho (Boise) 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 Boise in July?

Daytime temperatures usually reach 90°F in Boise in July with moderate heat and humidity, falling to 57°F at night.

How sunny is it in Boise in July?

There are normally 13 hours of bright sunshine each day in Boise in July - that's 86% of daylight hours.

Does it ever rain in Boise in July?

There are usually 3 days with some rain in Boise in July and the average monthly rainfall is 0.3 inches.

Boise July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:08 20:30
Wednesday, 16th July 2025 05:19 20:23
Thursday, 31st July 2025 05:34 20:08

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