Seattle Weather in May
United States · 30-year monthly averages
🌟 Great time to visit
May in Seattle is pleasantly warm, with average daytime highs around 19°C (66°F) and nighttime lows near 9°C (49°F). Expect roughly 48mm of precipitation spread over about 8 rainy days, with little rainfall.
Avg high
19°C
66°F
Avg low
9°C
49°F
Rainfall
48mm
dry
Rainy days
8
days with ≥1mm
🎒 What to pack
- light layers
- comfortable walking shoes
May vs the rest of the year
FAQ
- How hot is Seattle in May?
- May in Seattle is pleasantly warm, with average daytime highs around 19°C (66°F) and nighttime lows near 9°C (49°F). Expect roughly 48mm of precipitation spread over about 8 rainy days, with little rainfall.
- Does it rain a lot in Seattle in May?
- Seattle sees around 48mm of precipitation in May on average — dry by global standards.
- Is May a good time to visit Seattle?
- May is one of the best months to visit Seattle — comfortable temperatures and manageable rainfall.