Washington weather in May 2020

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

More destinations >>

  • Top deals & discounts
  • Washington weather overview
  • Washington climate averages by month
  • More destinations
  • Best time to go to Washington
  • Washington 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The May weather guide for 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.

  • Compare car hire prices to find lowest rate
  • Free cancellation up to 48 hours before pick up
  • Book car hire for over 20,000 destinations worldwide

How hot is it in Washington in May?

Daytime temperatures usually reach 18°C in Seattle, Washington in May, falling to 8°C at night.

How sunny is it in Washington in May?

There are normally 8 hours of bright sunshine each day in Seattle, Washington in May - that's 52% of daylight hours.

Does it rain in Washington in May?

There are usually 11 days with some rain in Seattle, Washington in May and the average monthly rainfall is 46mm.

Washington sunrise & sunset times for May 2020

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


Date Sunrise times Sunset times
Friday, 1st May 2020 05:51 20:22
Saturday, 16th May 2020 05:30 20:42
Sunday, 31st May 2020 05:16 20:59
  • Browse latest holiday offers & last minute deals
  • Book holidays departing soon & school holidays
  • Plus find holidays based on preferred budget

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

Back to top

Discover more about the USA

More Washington destinations

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.