Hot
Average highs reach 34°C, so days can feel very hot.
Weather Guide
Guantánamo Bay, Cuba Average Monthly Weather
Weather score73Very good annual avg
Best months: February, January, March
Across the year, average daytime temperatures are around 32°C, sunshine averages 6.6h per day, and rainfall totals about 755mm. Sea temperatures average 28°C across the year.
Annual weather
Annual averages
Temp
32°C
Rain
755mm
Annual total
Sun
6.6h
Sea
28°C
Weather score
73
Very good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 67mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Guantánamo Bay, Cuba with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August34°C average high
August is one of Guantánamo Bay's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to October
This stretch sets the upper range for average daytime heat.
Rain
August67mm average rain
August sits on the drier side of Guantánamo Bay's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April, June to August, and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.9 hours average sun
August sits close to Guantánamo Bay's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsFebruary to April and July to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August30°C average sea
August is one of Guantánamo Bay's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
August68 weather score
August sits close to Guantánamo Bay's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April and November to December
These months have the strongest weather score in the monthly averages.