Climate in Marathon (Florida), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Marathon, the United States of America

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Marathon, the United States of America

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* Data from: Key West, the United States of America (73 KM, 45 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average monthly percentage of sunshine in Marathon, the United States of America

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* Data from: Key West, the United States of America (73 KM, 45 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Marathon, the United States of America

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Marathon, the United States of America

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Marathon, the United States of America

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* Data from: Key West, the United States of America (73 KM, 45 Miles).

Weather Forecasts for Marathon (FL)

Fri   Mar 29
26°C | 21°C
N 22 km/h
almost clear and no rain

almost clear and no rain

Sat   Mar 30
25°C | 22°C
E 22 km/h
partly cloudy and no rain

partly cloudy and no rain

Sun   Mar 31
26°C | 22°C
E 18 km/h
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit Marathon in the United States of America

During the months of January, February and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Marathon?
    Most rainfall (rainy season) is seen in August, September and October.
  • Which is the warmest month in Marathon?
    August has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Marathon?
    The coldest month is January with an average maximum temperature of 24°C.
  • Which is the wettest month in Marathon?
    September tops the wettest month list with 183 mm of rainfall.
  • Which is the driest month in Marathon?
    March is the driest month with 33 mm of precipitation.
  • Which is the sunniest month in Marathon?
    May is the sunniest month with an average of 341 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.