Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Cayman Brac, Cayman Islands in December
Weather score75Very good
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 43mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
29°C
Rain
43mm
Sun
0h
Sea
28°C
Weather score
75
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 43mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Cayman Brac, Cayman Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December29°C average high
December is close to Cayman Brac's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMay to November
This stretch sets the upper range for average daytime heat.
Rain
December43mm average rain
December sits on the drier side of Cayman Brac's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December0 hours average sun
December is close to Cayman Brac's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
December28°C average sea
December is below Cayman Brac's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
December75 weather score
December sits close to Cayman Brac's 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.
