Weather in Washington in May 2018

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Washington in May. Check more long-term weather averages for Washington in May before you book your next holiday to D.C. in 2018.

Key weather averages for Washington in May

  • 24°C maximum daytime temperature in May in Washington24
    24°C max day temperature
  • 8 hours of sunshine per day (59% of daylight hours) in May in Washington8
    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

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

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

  • Book low fares on flights to Washington DC with Virgin Atlantic
  • Flights depart from London Heathrow Airport
  • Join Flying Club & earn miles with every booking

More about Washington

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

Guide to Washington weather in May

The average maximum daytime temperature in Washington 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 Washington in May is represented by Washington.

Washington sunrise & sunset times for May 2018

Browse the sunrise & sunset times for Washington in May 2018. Select a month to view Washington sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st May 2018 06:10 20:01
Wednesday, 2nd May 2018 06:09 20:02
Thursday, 3rd May 2018 06:08 20:03
Friday, 4th May 2018 06:07 20:04
Saturday, 5th May 2018 06:06 20:05
Sunday, 6th May 2018 06:04 20:05
Monday, 7th May 2018 06:03 20:06
Tuesday, 8th May 2018 06:02 20:07
Wednesday, 9th May 2018 06:01 20:08
Thursday, 10th May 2018 06:00 20:09
Friday, 11th May 2018 05:59 20:10
Saturday, 12th May 2018 05:58 20:11
Sunday, 13th May 2018 05:57 20:12
Monday, 14th May 2018 05:56 20:13
Tuesday, 15th May 2018 05:56 20:14
Wednesday, 16th May 2018 05:55 20:15
Thursday, 17th May 2018 05:54 20:16
Friday, 18th May 2018 05:53 20:17
Saturday, 19th May 2018 05:52 20:17
Sunday, 20th May 2018 05:51 20:18
Monday, 21st May 2018 05:51 20:19
Tuesday, 22nd May 2018 05:50 20:20
Wednesday, 23rd May 2018 05:49 20:21
Thursday, 24th May 2018 05:49 20:22
Friday, 25th May 2018 05:48 20:22
Saturday, 26th May 2018 05:48 20:23
Sunday, 27th May 2018 05:47 20:24
Monday, 28th May 2018 05:46 20:25
Tuesday, 29th May 2018 05:46 20:25
Wednesday, 30th May 2018 05:45 20:26
Thursday, 31st May 2018 05:45 20:27
  • Book low fares on flights to Washington DC with Virgin Atlantic
  • Flights depart from London Heathrow Airport
  • Join Flying Club & earn miles with every booking

Back to top

Washington weather by month

Check Washington weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Back to top

More D.C. destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

More destinations

Related posts

Popular travel offers

Top ^