Weather in Seattle in March 2018

Expect 12°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Seattle in March. Check more long-term weather averages for Seattle in March before you book your next holiday to Washington in 2018.

Key weather averages for Seattle in March

  • 12°C maximum daytime temperature in March in Seattle12
    12°C max day temperature
  • 5 hours of sunshine per day (44% of daylight hours) in March in Seattle5
    5 hours of sunshine per day
  • 16 days with some rainfall in March in Seattle16
    16 days with some rainfall
  • 3°C minimum night-time temperature in March in Seattle3
    3°C min night temperature
  • 12 hours of daylight per day in March in Seattle12
    12 hours of daylight per day
  • No heat & humidity in March in Seattle0
    No heat & humidity
  • 95 mm monthly rainfall in March in Seattle95
    95 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Seattle3
    3 (Moderate) 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 Seattle weather in March

The average maximum daytime temperature in Seattle in March is a cool 12°C (54°F). The average night-time temperature is usually a cold 3°C (37°F). There are usually 5 hours of bright sunshine each day, which represents 44% of the 12 hours of daylight.

Expect 95mm (3.7 inches) of rainfall across the whole of March with 16 days with some rain falling. Maximum UV levels will be moderate (3 UV index) at midday when the skies are clear.

The weather in Seattle in March is represented by Seattle.

Seattle sunrise & sunset times for March 2018

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st March 2018 06:50 17:54
Friday, 2nd March 2018 06:48 17:56
Saturday, 3rd March 2018 06:46 17:57
Sunday, 4th March 2018 06:44 17:59
Monday, 5th March 2018 06:42 18:00
Tuesday, 6th March 2018 06:40 18:02
Wednesday, 7th March 2018 06:38 18:03
Thursday, 8th March 2018 06:36 18:05
Friday, 9th March 2018 06:34 18:06
Saturday, 10th March 2018 06:32 18:08
Sunday, 11th March 2018 07:30* 19:09*
Monday, 12th March 2018 07:28 19:11
Tuesday, 13th March 2018 07:26 19:12
Wednesday, 14th March 2018 07:24 19:14
Thursday, 15th March 2018 07:22 19:15
Friday, 16th March 2018 07:20 19:17
Saturday, 17th March 2018 07:18 19:18
Sunday, 18th March 2018 07:16 19:19
Monday, 19th March 2018 07:14 19:21
Tuesday, 20th March 2018 07:12 19:22
Wednesday, 21st March 2018 07:10 19:24
Thursday, 22nd March 2018 07:08 19:25
Friday, 23rd March 2018 07:06 19:27
Saturday, 24th March 2018 07:04 19:28
Sunday, 25th March 2018 07:02 19:29
Monday, 26th March 2018 07:00 19:31
Tuesday, 27th March 2018 06:58 19:32
Wednesday, 28th March 2018 06:56 19:34
Thursday, 29th March 2018 06:54 19:35
Friday, 30th March 2018 06:52 19:37
Saturday, 31st March 2018 06:50 19:38

*Daylight saving starts - Pacific Daylight Time (PDT)

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  • Return flights to Seattle from £461

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Check Seattle 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.

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