October Rainfall and Precipitation in Washington State
Washington State Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Washington State - and find the best time to visit. See also: Washington State weather by month.
Best Places to Visit in Washington State in October
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Washington State.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in October: pale blue is dry, deep blue is wet.
Washington State precipitation in October: frequently asked questions
How much rainfall does Washington State, the United States of America receive in October?
Seattle sees moderate rainfall in October, averaging around 100 mm (3.9 in). Most days stay dry, with the occasional shower.
How many days does it rain in Washington State, the United States of America in October?
Rainfall in Seattle typically falls on roughly 16 days days in October.
Is October part of the rainy season in Washington State, the United States of America?
No. October 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 October in Washington State, the United States of America?
Mount Rainier National Park is the wettest city in Washington State, the United States of America in October according to our database, with average snow/rainfall of around 295 mm (12 in).
What is the driest city in October in Washington State, the United States of America?
In our records, Richland stands out as the driest city in Washington State, the United States of America for October, averaging just 15 mm (0.6 in).
Interested in more climate information?
We have much more information about the climate in Washington State.
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