Idaho weather in April 2026

Expect daytime maximum temperatures of 16°C in Idaho, USA in April based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 16°C maximum daytime temperature in April in Idaho (Boise)16
    16°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in April in Idaho (Boise)8
    8 days with some rainfall
  • 2°C minimum night-time temperature in April in Idaho (Boise)2
    2°C min night temperature
  • 13 hours of daylight per day in April in Idaho (Boise)13
    13 hours of daylight per day
  • No heat & humidity in April in Idaho (Boise)0
    No heat & humidity
  • 30 mm monthly rainfall in April in Idaho (Boise)30
    30 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Idaho (Boise)6
    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.

Top Idaho destinations

Below are average maximum temperatures at popular countries, regions and places in Idaho in April. Select a holiday destination to see more weather parameters.

All Idaho destinations

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

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How warm is it in Idaho in April?

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

How sunny is it in Idaho in April?

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

Does it rain in Idaho in April?

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

Idaho April sunrise & sunset times

Browse the sunrise and sunset times for Idaho in April 2026. Select a month to view Idaho sunrise and sunset times for the next 12 months. The Idaho sunrise and sunset times shown below are for Boise.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 06:26 19:12
Wednesday, 15th April 2026 06:02 19:29
Thursday, 30th April 2026 05:39 19:46

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