Boston weather by month › May
Boston in May: weather and what to expect
Yes. May is one of the best months to visit Boston.
May weather in Boston
Daytime high70°F 21°C
Night low48°F 9°C
Rain3.2 in 82 mm
AirDry
SunSunny
In May, Boston averages highs of 70°F (21°C) and lows of 48°F (9°C), with 3.2 in (82 mm) of rain. The air feels dry and the sun is sunny. 1991–2020 averages, not a forecast.
Pack: light layers, a sweater for evenings.
Places with the same weather in May
Match out of 100 for May, one city per country.
Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec