Weather · Seattle, United States
Seattle Weather in May
May in Seattle averages 17°C by day and 9°C at night, with about 59mm of rain. That makes it a reasonable time to visit.
Avg high
17°C
63°F
Avg low
9°C
48°F
Rainfall
59mm
#8 wettest of 12
What to pack
Layers, plus a jacket for mornings and nights. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in Seattle builds it around the season for you.