Cool
Average highs are around 19°C, so pack for cooler days.
August verdict
Isles of Scilly, United Kingdom in August
Weather score41Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 6.4h per day, enough for a balanced month. Rainfall averages 78mm, which is relatively low for holiday planning.
August weather
Monthly averages
Temp
19°C
Rain
78mm
Sun
6.4h
Sea
17°C
Weather score
41
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 78mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Isles of Scilly, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August19°C average high
August is one of Isles of Scilly's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August78mm average rain
August sits on the drier side of Isles of Scilly's year, which helps with sightseeing and transfers.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.4 hours average sun
August is one of Isles of Scilly'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
August17°C average sea
August is one of Isles of Scilly's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
August41 weather score
August is one of Isles of Scilly'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.
