Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
August verdict
Boston, Massachusetts, United States in August
Weather score67Good
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 8.6h per day, so bright days are a strong part of the month. Rainfall averages 85mm, so some wet days are possible.
August weather
Monthly averages
Temp
27°C
Rain
85mm
Sun
8.6h
Sea
19°C
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 85mm, so some wet days are possible.
Bright
Sunshine averages 8.6h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Boston, Massachusetts, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August27°C average high
August is one of Boston's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August85mm average rain
August sits on the drier side of Boston's year, which helps with sightseeing and transfers.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.6 hours average sun
August is brighter than Boston's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August19°C average sea
August is one of Boston's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 19°C in this stretch, so swimming comfort is at its strongest.
Weather score
August67 weather score
August scores above Boston's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels in Boston, Massachusetts, United States
Marriott
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W BostonBoston, Massachusetts, USA
Boston Marriott Copley PlaceBoston, Massachusetts, USA
Boston Marriott Long WharfBoston, Massachusetts, USA
Renaissance Boston Seaport DistrictBoston, Massachusetts, USA