USA weather in May 2023

  • 24°C maximum daytime temperature in May in USA (Washington)24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in USA (Washington)11
    11 days with some rainfall
  • 12°C minimum night-time temperature in May in USA (Washington)12
    12°C min night temperature
  • 14 hours of daylight per day in May in USA (Washington)14
    14 hours of daylight per day
  • No heat & humidity in May in USA (Washington)0
    No heat & humidity
  • 96 mm monthly rainfall in May in USA (Washington)96
    96 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in USA (Washington)8
    8 (Very High) UV index

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

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The May weather guide for USA (Washington) 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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Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How hot is it in the USA in May?

Daytime temperatures usually reach 24°C in Washington, USA in May, falling to 12°C at night.

How sunny is it in the USA in May?

There are normally 8 hours of bright sunshine each day in Washington, USA in May - that's 59% of daylight hours.

Does it rain in the USA in May?

There are usually 11 days with some rain in Washington, USA in May and the average monthly rainfall is 96mm.

USA May sunrise & sunset times

Browse the sunrise and sunset times for USA in May 2023. Select a month to view USA sunrise and sunset times for the next 12 months. The USA sunrise and sunset times shown below are for Washington.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st May 2023 05:10 19:01
Tuesday, 16th May 2023 04:55 19:15
Wednesday, 31st May 2023 04:45 19:27

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