Boston Weather in May
United States · 30-year monthly averages
👍 Good time to visit
May in Boston is pleasantly warm, with average daytime highs around 19°C (67°F) and nighttime lows near 10°C (50°F). Expect roughly 83mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
Avg high
19°C
67°F
Avg low
10°C
50°F
Rainfall
83mm
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 Boston in May?
- May in Boston is pleasantly warm, with average daytime highs around 19°C (67°F) and nighttime lows near 10°C (50°F). Expect roughly 83mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
- Does it rain a lot in Boston in May?
- Boston sees around 83mm of precipitation in May on average — moderate by global standards.
- Is May a good time to visit Boston?
- May is a good month to visit Boston, with generally agreeable conditions.