Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
January verdict
Grand Cayman, Cayman Islands in January
Weather score77Very good
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 7.5h per day, enough for a balanced month. Rainfall averages 56mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
29°C
Rain
56mm
Sun
7.5h
Sea
27°C
Weather score
77
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 56mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.5h per day, enough for a balanced month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Grand Cayman, Cayman Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January29°C average high
January is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
Rain
January56mm average rain
January sits on the drier side of Grand Cayman'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
January7.5 hours average sun
January is below Grand Cayman's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to April and July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January27°C average sea
January is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaJune to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
January77 weather score
January scores above Grand Cayman's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.
