Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
May verdict
Key Largo, Florida, United States in May
Weather score75Very good
Very good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 9.7h per day, so bright days are a strong part of the month. Rainfall averages 168mm, so some wet days are possible.
May weather
Monthly averages
Temp
30°C
Rain
168mm
Sun
9.7h
Sea
27°C
Weather score
75
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 168mm, so some wet days are possible.
Bright
Sunshine averages 9.7h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 27°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Key Largo, Florida, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May30°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May168mm average rain
May sits near Key Largo's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May9.7 hours average sun
May is one of Key Largo's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May27°C average sea
May is close to Key Largo's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
May75 weather score
May sits close to Key Largo's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMarch to April and November
These months have the strongest weather score in the monthly averages.
