Weather in May in Washington State
Planning a getaway to Washington State this May and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:
What is the weather like in Washington State in May?
Washington State is a region in the United States of America. The weather in Washington State in May can be quite varied, with temperatures that range from cold to warm and precipitation levels ranging from low to high.
Temperatures
The average highest temperatures fluctuate between cold in Mount Rainier National Park at 3°C to warm in Kennewick at 24°C. Nighttime temperatures generally drop to 9°C in Kennewick and -8°C in Mount Rainier National Park .For a closer look at conditions across Washington State, refer to the map below.
Precipitation
In May, precipitation varies across different areas. From low rainfall in Moses Lake with an average of 16 mm to high rainfall in Mount Rainier National Park with 152 mm.Average sunshine
The city Seattle usually sees around 254 hours of sunlight, indicating many sunny days.For an in-depth overview of the yearly conditions, do visit our Washington State climate page.
Where to go in Washington State in May
perfect weather
pleasant
tolerable
unpleasant
poor
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Washington State's climate page.
Popular destinations
What is the weather like in May for the 5 most popular destinations in Washington State?
Seattle
In May Seattle generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
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SeaTac
In May SeaTac generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
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Ocean Shores
In May Ocean Shores generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are tolerable that month.
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Bellevue
In May Bellevue generally has pleasant temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
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Vancouver
In May Vancouver generally has pleasant temperatures with maximum daytime temperatures around 20°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Is your destination not in the list? Have a look at other destinations in Washington State, in the United States of America.
Is May the best time to visit Washington State?
In our opinion, May is a good time to visit Washington State with overall pleasant weather in Seattle. It's worth noting that weather conditions might differ depending on the location you visit.
Generally speaking, the best visiting conditions can be found in June, July, August and September offering mostly perfect weather in Seattle. On the other hand, the weather in January, February, March, November and December tend to be poor.
Interested in more climate information?
We have much more information about the climate in Washington State.
Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.