Washington weather in May 2021

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  • 24°C maximum daytime temperature in May in Washington24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Washington11
    11 days with some rainfall
  • 12°C minimum night-time temperature in May in Washington12
    12°C min night temperature
  • 14 hours of daylight per day in May in Washington14
    14 hours of daylight per day
  • No heat & humidity in May in Washington0
    No heat & humidity
  • 96 mm monthly rainfall in May in Washington96
    96 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Washington8
    8 (Very High) UV index

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The May weather guide for Washington, D.C. 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 Washington in May?

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

How sunny is it in Washington in May?

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

Does it rain in Washington in May?

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

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

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Washington sunrise & sunset times for May 2021

Browse the sunrise and sunset times for Washington in May 2021. Select a month to view Washington sunrise & sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st May 2021 06:10 20:01
Sunday, 16th May 2021 05:54 20:15
Monday, 31st May 2021 05:45 20:27

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