Hot
Average highs reach 32°C, so days can feel very hot.
August verdict
Grand Cayman, Cayman Islands in August
Weather score63Good
Good for holiday weather
Average highs reach 32°C, so days can feel very hot. Sunshine averages 8.4h per day, so bright days are a strong part of the month. Rainfall averages 171mm, so some wet days are possible.
August weather
Monthly averages
Temp
32°C
Rain
171mm
Sun
8.4h
Sea
30°C
Weather score
63
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 171mm, so some wet days are possible.
Bright
Sunshine averages 8.4h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Grand Cayman, Cayman Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August32°C average high
August is one of Grand Cayman's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
Rain
August171mm average rain
August is wetter than Grand Cayman's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.4 hours average sun
August sits close to Grand Cayman's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMarch to April and July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August30°C average sea
August is one of Grand Cayman's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
August63 weather score
August scores below Grand Cayman's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.
