Best time to visit Boise

Find the best time to visit Boise and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Boise by month

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

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When is the best time to visit Boise?

The best time to visit Boise is May, June and September based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 2°C maximum daytime temperature in January in Boise2
    Jan
  • 7°C maximum daytime temperature in February in Boise7
    Feb
  • 12°C maximum daytime temperature in March in Boise12
    Mar
  • 16°C maximum daytime temperature in April in Boise16
    Apr
  • 22°C maximum daytime temperature in May in Boise22
    May
  • 27°C maximum daytime temperature in June in Boise27
    Jun
  • 32°C maximum daytime temperature in July in Boise32
    Jul
  • 31°C maximum daytime temperature in August in Boise31
    Aug
  • 25°C maximum daytime temperature in September in Boise25
    Sep
  • 18°C maximum daytime temperature in October in Boise18
    Oct
  • 9°C maximum daytime temperature in November in Boise9
    Nov
  • 3°C maximum daytime temperature in December in Boise3
    Dec

Hours of Sunshine (daily)

Which is the hottest month in Boise?

The hottest time of year in Boise is normally July. Expect maximum daytime temperatures to reach 32°C with moderate heat and humidity.

Which month has the most rain in Boise?

In terms of rainfall, November is usually the wettest month in Boise with 38mm on average. There are normally 10 days in November with some rain.

When is it sunniest in Boise?

The sunniest time of year in Boise is normally July with bright sunshine on average for 86% of daylight hours; that's 13 hours of sunshine per day.

Best time to visit

The weather guide for Idaho (Boise) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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