Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Weather Guide
Key West, Florida, United States Average Monthly Weather
Weather score74Very good annual avg
Best months: April, March, November
Across the year, average daytime temperatures are around 28°C, sunshine averages 9h per day, and rainfall totals about 1040mm. Sea temperatures average 26°C across the year.
Annual weather
Annual averages
Temp
28°C
Rain
1040mm
Annual total
Sun
9h
Sea
26°C
Weather score
74
Very good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 104mm, so some wet days are possible.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Key West, Florida, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July32°C average high
July is one of Key West's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July104mm average rain
July 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
July10 hours average sun
July is brighter than Key West's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July30°C average sea
July is one of Key West's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
July73 weather score
July 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