Hot
Average highs reach 32°C, so days can feel very hot.
Weather Guide
Marathon, 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 8.9h per day, and rainfall totals about 1121mm. Sea temperatures average 27°C across the year.
Annual weather
Annual averages
Temp
28°C
Rain
1121mm
Annual total
Sun
8.9h
Sea
27°C
Weather score
74
Very good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 139mm, so some wet days are possible.
Bright
Sunshine averages 9.5h 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 Marathon, Florida, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August32°C average high
August is one of Marathon'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
August139mm average rain
August is wetter than Marathon's yearly average, so flexible plans matter more.
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
August9.5 hours average sun
August is brighter than Marathon'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
August30°C average sea
August is one of Marathon's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
August67 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsMarch to April and November
These months have the strongest weather score in the monthly averages.
