Boise weather in May 2020

  • 22°C maximum daytime temperature in May in Boise22
    22°C max day temperature
  • 11 hours of sunshine per day
  • 7 days with some rainfall in May in Boise7
    7 days with some rainfall
  • 6°C minimum night-time temperature in May in Boise6
    6°C min night temperature
  • 15 hours of daylight per day in May in Boise15
    15 hours of daylight per day
  • No heat & humidity in May in Boise0
    No heat & humidity
  • 27 mm monthly rainfall in May in Boise27
    27 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Boise7
    7 (High) UV index
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The May weather guide for Boise, Idaho 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.

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How hot is it in Boise in May?

Daytime temperatures usually reach 22°C in Boise in May, falling to 6°C at night.

How sunny is it in Boise in May?

There are normally 11 hours of bright sunshine each day in Boise in May - that's 73% of daylight hours.

Does it rain in Boise in May?

There are usually 7 days with some rain in Boise in May and the average monthly rainfall is 27mm.

Boise sunrise & sunset times for May 2020

Browse the sunrise & sunset times for Boise in May 2020. Select a month to view Boise sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st May 2020 06:36 20:48
Saturday, 16th May 2020 06:18 21:05
Sunday, 31st May 2020 06:07 21:19
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where's hot in Idaho in May?

Below are average maximum temperatures at popular destinations in Idaho in May. Select a destination to see more weather parameters.

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