Weather in Seattle in May
The weather in Seattle in May is fickle, ranging from cold to pleasant. Temperatures are between 8 and 19 degrees and there are about 17 days of rain, so it is advised to prepare for both warm and chilly conditions.
Avg Temp
8° - 19°
Avg Rainy Days
17
Avg Dry Days
14
Avg Snow Days
0
Weather Facts - Seattle in May
* The warmest temperature recorded in in May is 32°C
* The coldest temperature recorded in Seattle in May is 2°C
* The average rainfall in Seattle in May is 45 mm