Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
August verdict
Groton, Connecticut, United States in August
Weather score67Good
Good for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 8.1h per day, so bright days are a strong part of the month. Rainfall averages 102mm, so some wet days are possible.
August weather
Monthly averages
Temp
26°C
Rain
102mm
Sun
8.1h
Sea
22°C
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 102mm, so some wet days are possible.
Bright
Sunshine averages 8.1h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 22°C, so the water can feel cool.
Map
Weather map
Compare Groton, Connecticut, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August26°C average high
August is one of Groton'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
August102mm average rain
August sits near Groton's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.1 hours average sun
August is brighter than Groton's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August22°C average sea
August is one of Groton's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
August67 weather score
August is one of Groton's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
