Washington Weather in May
United States · 30-year monthly averages
🌟 Great time to visit
May in Washington is pleasantly warm, with average daytime highs around 25°C (76°F) and nighttime lows near 14°C (58°F). Expect roughly 100mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
Avg high
25°C
76°F
Avg low
14°C
58°F
Rainfall
100mm
moderate
Rainy days
9
days with ≥1mm
🎒 What to pack
- light layers
- comfortable walking shoes
May vs the rest of the year
FAQ
- How hot is Washington in May?
- May in Washington is pleasantly warm, with average daytime highs around 25°C (76°F) and nighttime lows near 14°C (58°F). Expect roughly 100mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
- Does it rain a lot in Washington in May?
- Washington sees around 100mm of precipitation in May on average — moderate by global standards.
- Is May a good time to visit Washington?
- May is one of the best months to visit Washington — comfortable temperatures and manageable rainfall.