Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
July verdict
Groton, Connecticut, United States in July
Weather score70Good
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 8.8h per day, so bright days are a strong part of the month. Rainfall averages 86mm, so some wet days are possible.
July weather
Monthly averages
Temp
27°C
Rain
86mm
Sun
8.8h
Sea
20°C
Weather score
70
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 86mm, so some wet days are possible.
Bright
Sunshine averages 8.8h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 20°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
July27°C average high
July 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
July86mm average rain
July is one of Groton's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July8.8 hours average sun
July is one of Groton's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July20°C average sea
July 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
July70 weather score
July 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.
