Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Weather Guide
Cayman Islands Average Monthly Weather
Weather score71Very good annual avg
Best months: April, March, February
Across the year, average daytime temperatures are around 30°C, sunshine averages 5.3h per day, and rainfall totals about 1313mm. Sea temperatures average 28°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
1313mm
Annual total
Sun
5.3h
Sea
28°C
Weather score
71
Very good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 147mm, so some wet days are possible.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°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
July32°C average high
July is one of Cayman Islands' warmest months, with daytime heat above the yearly average.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
Rain
July147mm average rain
July 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
July5.7 hours average sun
July 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
July29°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 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
July67 weather score
July 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.
