May Rainfall and Precipitation in Washington State
Average rainfall, rainy days and the driest cities in Washington State, the United States of America in May.
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Best Places to Visit in Washington State in May
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Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in May: pale blue is dry, deep blue is wet.
Washington State precipitation in May: frequently asked questions
How much rainfall does Washington State, the United States of America receive in May?
Seattle sees moderate rainfall in May, averaging around 54 mm (2.1 in). Most days stay dry, with the occasional shower.
How many days does it rain in Washington State, the United States of America in May?
Seattle sees roughly 12 days rainy days during May.
Is May part of the rainy season in Washington State, the United States of America?
No. May sits outside the typical rainy season in Washington State, the United States of America, so you can expect drier conditions overall.
What is the wettest city in May in Washington State, the United States of America?
In our database, Mount Rainier National Park stands out as having an average snow/rainfall level of 152 mm (6 in), making it the wettest location.
What is the driest city in May in Washington State, the United States of America?
Based on our database, Moses Lake sees the least rainfall in Washington State, the United States of America in May, with around 16 mm (0.6 in) on average.
Interested in more climate information?
We have much more information about the climate in Washington State.
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