Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
May verdict
Key West, Florida, United States in May
Weather score79Very good
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 11h per day, so bright days are a strong part of the month. Rainfall averages 107mm, so some wet days are possible.
May weather
Monthly averages
Temp
29°C
Rain
107mm
Sun
11h
Sea
27°C
Weather score
79
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 107mm, so some wet days are possible.
Bright
Sunshine averages 11h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Key West, Florida, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May29°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
May107mm average rain
May sits near Key West'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
May11 hours average sun
May is one of Key West's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May27°C average sea
May is close to Key West's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
May79 weather score
May sits close to Key West'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.
Hotels in Key West, Florida, United States
Marriott
La Concha Key West, Autograph CollectionKey West, Florida, USA
The Saint Hotel Key West, Autograph Collection, Adult OnlyKey West, Florida, USA
Courtyard Key West WaterfrontKey West, Florida, USA
Fairfield Inn & Suites Key WestKey West, Florida, USA
Fairfield Inn & Suites Key West at The Keys CollectionKey West, Florida, USA