USA weather in May 2020

  • 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
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The May weather guide for USA, represented by 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)

Guide to USA weather in May

The average maximum daytime temperature in USA in May is a warm 24°C (75°F). The average night-time temperature is usually a cool 12°C (54°F). There are usually 8 hours of bright sunshine each day, which represents 59% of the 14 hours of daylight.

Expect 96mm (3.8 inches) of rainfall across the whole of May with 11 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

The weather in USA in May is represented by Washington.

USA sunrise & sunset times for May 2020

Browse the sunrise & sunset times for USA in May 2020. Select a month to view USA sunrise & sunset times for the next twelve months. The USA sunrise & sunset times shown below are for Washington.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2020 05:10 19:01
Saturday, 16th May 2020 04:54 19:15
Sunday, 31st May 2020 04:45 19:27
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Popular USA destinations

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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