Mild
Average highs are around 20°C, so days are mild rather than hot.
August verdict
Jersey in August
Weather score53Mixed
Mixed for holiday weather
Average highs are around 20°C, so days are mild rather than hot. Sunshine averages 7.5h per day, enough for a balanced month. Rainfall averages 52mm, which is relatively low for holiday planning.
August weather
Monthly averages
Temp
20°C
Rain
52mm
Sun
7.5h
Sea
18°C
Weather score
53
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 52mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Jersey with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August20°C average high
August is one of Jersey'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
August52mm average rain
August sits on the drier side of Jersey's year, which helps with sightseeing and transfers.
Driest monthsApril to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7.5 hours average sun
August is brighter than Jersey'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
August18°C average sea
August is one of Jersey's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
August53 weather score
August is one of Jersey's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.