Cool
Average highs are around 13°C, so pack for cooler days.
April verdict
Groton, Connecticut, United States in April
Weather score31Poor
Poor for holiday weather
Average highs are around 13°C, so pack for cooler days. Sunshine averages 8h per day, so bright days are a strong part of the month. Rainfall averages 108mm, so some wet days are possible.
April weather
Monthly averages
Temp
13°C
Rain
108mm
Sun
8h
Sea
7°C
Weather score
31
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 108mm, so some wet days are possible.
Bright
Sunshine averages 8h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 7°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
April13°C average high
April is close to Groton's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
April108mm average rain
April 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
April8 hours average sun
April 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
April7°C average sea
April is below Groton's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
April31 weather score
April scores below Groton's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
