Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
May verdict
Cayman Islands in May
Weather score71Very good
Very good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 5.6h per day, enough for a balanced month. Rainfall averages 126mm, so some wet days are possible.
May weather
Monthly averages
Temp
31°C
Rain
126mm
Sun
5.6h
Sea
28°C
Weather score
71
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 126mm, so some wet days are possible.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Cayman Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May31°C average high
May is close to Cayman Islands' yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
Rain
May126mm average rain
May sits near Cayman Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May5.6 hours average sun
May sits close to Cayman Islands' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril and July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May28°C average sea
May is close to Cayman Islands' yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
May71 weather score
May sits close to Cayman Islands' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.
