Weather in the USA in May 2018

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

Key weather averages for USA in May

  • 24°C maximum daytime temperature in May in USA (Washington)24
    24°C max day temperature
  • 8 hours of sunshine per day (59% of daylight hours) in May in USA8
    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

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

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

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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 2018

Browse the sunrise & sunset times for USA in May 2018. 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
Tuesday, 1st May 2018 05:10 19:01
Wednesday, 2nd May 2018 05:09 19:02
Thursday, 3rd May 2018 05:08 19:03
Friday, 4th May 2018 05:07 19:04
Saturday, 5th May 2018 05:06 19:05
Sunday, 6th May 2018 05:04 19:05
Monday, 7th May 2018 05:03 19:06
Tuesday, 8th May 2018 05:02 19:07
Wednesday, 9th May 2018 05:01 19:08
Thursday, 10th May 2018 05:00 19:09
Friday, 11th May 2018 04:59 19:10
Saturday, 12th May 2018 04:58 19:11
Sunday, 13th May 2018 04:57 19:12
Monday, 14th May 2018 04:56 19:13
Tuesday, 15th May 2018 04:56 19:14
Wednesday, 16th May 2018 04:55 19:15
Thursday, 17th May 2018 04:54 19:16
Friday, 18th May 2018 04:53 19:17
Saturday, 19th May 2018 04:52 19:17
Sunday, 20th May 2018 04:51 19:18
Monday, 21st May 2018 04:51 19:19
Tuesday, 22nd May 2018 04:50 19:20
Wednesday, 23rd May 2018 04:49 19:21
Thursday, 24th May 2018 04:49 19:22
Friday, 25th May 2018 04:48 19:22
Saturday, 26th May 2018 04:48 19:23
Sunday, 27th May 2018 04:47 19:24
Monday, 28th May 2018 04:46 19:25
Tuesday, 29th May 2018 04:46 19:25
Wednesday, 30th May 2018 04:45 19:26
Thursday, 31st May 2018 04:45 19:27
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  • Flights depart from Heathrow, Gatwick, Manchester & Glasgow
  • Return flights to the USA from £422

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