Weather in Washington in May 2019

  • 18°C maximum daytime temperature in May in Washington (Seattle)18
    18°C max day temperature
  • 8 hours of sunshine per day (52% of daylight hours) in May in Washington8
    8 hours of sunshine per day
  • 11 days with some rainfall in May in Washington (Seattle)11
    11 days with some rainfall
  • 8°C minimum night-time temperature in May in Washington (Seattle)8
    8°C min night temperature
  • 15 hours of daylight per day in May in Washington (Seattle)15
    15 hours of daylight per day
  • No heat & humidity in May in Washington (Seattle)0
    No heat & humidity
  • 46 mm monthly rainfall in May in Washington (Seattle)46
    46 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Washington (Seattle)6
    6 (High) UV index

Going to Washington? Find the best month to visit Washington based on the weather.

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Expect 18°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 Washington in 2019/2020. The May weather averages shown above are for Seattle.

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

Guide to Washington weather in May

The average maximum daytime temperature in Washington in May is a comfortable 18°C (64°F). The average night-time temperature is usually a cool 8°C (46°F). There are usually 8 hours of bright sunshine each day, which represents 52% of the 15 hours of daylight.

Expect 46mm (1.8 inches) of rainfall across the whole of May with 11 days with some rain falling. Maximum UV levels will be high (6 UV index) at midday when the skies are clear.

The weather in Washington in May is represented by Seattle.

Washington sunrise & sunset times for May 2019

Browse the sunrise & sunset times for Washington in May 2019. Select a month to view Washington sunrise & sunset times for the next twelve months. The Washington sunrise & sunset times shown below are for Seattle.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st May 2019 04:52 19:21
Thursday, 2nd May 2019 04:51 19:23
Friday, 3rd May 2019 04:49 19:24
Saturday, 4th May 2019 04:48 19:26
Sunday, 5th May 2019 04:46 19:27
Monday, 6th May 2019 04:45 19:28
Tuesday, 7th May 2019 04:43 19:30
Wednesday, 8th May 2019 04:42 19:31
Thursday, 9th May 2019 04:40 19:32
Friday, 10th May 2019 04:39 19:34
Saturday, 11th May 2019 04:37 19:35
Sunday, 12th May 2019 04:36 19:36
Monday, 13th May 2019 04:35 19:38
Tuesday, 14th May 2019 04:33 19:39
Wednesday, 15th May 2019 04:32 19:40
Thursday, 16th May 2019 04:31 19:41
Friday, 17th May 2019 04:30 19:43
Saturday, 18th May 2019 04:28 19:44
Sunday, 19th May 2019 04:27 19:45
Monday, 20th May 2019 04:26 19:46
Tuesday, 21st May 2019 04:25 19:47
Wednesday, 22nd May 2019 04:24 19:49
Thursday, 23rd May 2019 04:23 19:50
Friday, 24th May 2019 04:22 19:51
Saturday, 25th May 2019 04:21 19:52
Sunday, 26th May 2019 04:20 19:53
Monday, 27th May 2019 04:19 19:54
Tuesday, 28th May 2019 04:19 19:55
Wednesday, 29th May 2019 04:18 19:56
Thursday, 30th May 2019 04:17 19:57
Friday, 31st May 2019 04:16 19:58
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