Mild
Average highs are around 24°C, so days are mild rather than hot.
December verdict
Key West, Florida, United States in December
Weather score73Very good
Very good for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 7.3h per day, enough for a balanced month. Rainfall averages 45mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
24°C
Rain
45mm
Sun
7.3h
Sea
24°C
Weather score
73
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 45mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.3h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°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
December24°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December45mm average rain
December is one of Key West's driest months, making outdoor days easier to plan than in wetter parts of the year.
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
December7.3 hours average sun
December is one of Key West's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December24°C average sea
December is below Key West's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJune to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
December73 weather score
December scores below Key West's yearly average, so the weather trade-offs are more noticeable.
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