Boise weather in April 2025

Expect 16°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Boise in April. Check more long-term weather averages for Boise in April before you book your next holiday to Idaho in 2025/2026.

  • 16°C maximum daytime temperature in April in Boise16
    16°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in April in Boise8
    8 days with some rainfall
  • 2°C minimum night-time temperature in April in Boise2
    2°C min night temperature
  • 13 hours of daylight per day in April in Boise13
    13 hours of daylight per day
  • No heat & humidity in April in Boise0
    No heat & humidity
  • 30 mm monthly rainfall in April in Boise30
    30 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Boise6
    6 (High) UV index

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

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How warm is it in Boise in April?

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

How sunny is it in Boise in April?

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

Does it rain in Boise in April?

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

Boise April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:26 19:12
Tuesday, 15th April 2025 06:01 19:29
Wednesday, 30th April 2025 05:38 19:47

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