Mild
Average highs are around 20°C, so days are mild rather than hot.
July verdict
Mixed for holiday weather
Average highs are around 20°C, so days are mild rather than hot. Sunshine averages 8.2h per day, so bright days are a strong part of the month. Rainfall averages 42mm, which is relatively low for holiday planning.
Monthly averages
Temp
20°C
Rain
42mm
Sun
8.2h
Sea
17°C
Weather score
54
Mixed
Mild
Average highs are around 20°C, so days are mild rather than hot.
Drier
Rainfall averages 42mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.2h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Compare Jersey with nearby places by weather score, rain, sun, temperature, and swim conditions.
July20°C average high
July 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.
July42mm average rain
July is one of Jersey's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July8.2 hours average sun
July is one of Jersey's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
July17°C average sea
July sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJuly to October
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
July54 weather score
July 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.