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    United States of America

    Washington weather in May 2025

    United States of America

    Washington weather in May 2025

     

    Day

    18 °C

     

    Night

    7 °C

     

    Sea

    10 °C

     

    Precipitation

    55 mm

    in month

     

    Rainy days

    11 days

    in month

     

    Daylight

    15 hours

    average

     

    Sunshine

    8 hours

    average

     

    Humidity

    72 %

     

    Day

    18 °C

     

    Night

    7 °C

     

    Sea

    10 °C

     

    Precipitation

    55 mm

    in month

     

    Rainy days

    11 days

    in month

     

    Daylight

    15 hours

    average

     

    Sunshine

    8 hours

    average

     

    Humidity

    72 %

    Overview: Washington
    In Washington in May, the average air temperature ranges from 18 °C (65 °F) during the day to 7 °C (45 °F) at night. There are 11 days of rain on average, where the rainfall is 55 mm (2.15 in).

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    Mountain range in Mount Rainier National Park with nice weather and blue sky
    Aerial view of architecture in Olympia on a sunny day with some clouds
    Mountain range in Seattle at sunset time

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    Weather overview and FAQs

    Weather overview

    In Washington in May, the average air temperature ranges from 18 °C (65 °F) during the day to 7 °C (45 °F) at night. There are 11 days of rain on average, where the rainfall is 55 mm (2.15 in).

    Are there good conditions to visit in Washington in May?

    Washington can be visited in May - the weather will be moderate. The temperature of 7 °C (45 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

    How many days of precipitation on average can I expect in Washington in May?

    There are 11 days, which are rainy in May in Washington, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.5 days of the week, or in general - 36 % days.

    What is the temperature in Washington during the day in May?

    In Washington in May, the average daily temperatures will be 18 °C (65 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.

    How long is the day (from dawn till dusk) in Washington in May?

    The length of daylight in Washington in May is 15 hours.

    What is the rainfall intensity in Washington in May?

    In May in Washington, there is 55 mm (2.15 in) rainfall, which means on average 2 mm (0.07 in) rainfall per day.

    How many sunny hours can I expect in May in Washington?

    There is an average length of sunshine of 8 hours per day in Washington in May.

    How windy is Washington in May?

    An average wind scale that can be expected in Washington in May is 3.

    What level of humidity is to expect in Washington in May?

    In May in Washington, expect humidity around 72 %.

    Is Washington rainier in May than in June?

    Yes, Washington is a rainier May than in June.

    Is the temperature rising or falling in the course of time in May in Washington?

    Over the course of May in Washington, the temperatures are rising from 17 °C (62 °F) at the beginning of the month to 20 °C (67 °F) at the end of the month.

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