Marco Island, FL Weather & Climate Normals
Marco Island's real weather, in one number
Marco Island, FL scores 64/100 on this site's reading of NOAA's own 30-year normals: mild with real seasons. A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. 6 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Marco Island's hottest and coldest months
Marco Island's hottest month is Aug, averaging 83°F; its coldest is Jan, averaging 65°F, a 18°F swing across the year, one of the smaller gaps in this dataset.
Rain and snow in Marco Island
Marco Island averages 49.55in of precipitation a year across roughly 107 days with measurable rain or snow, and 0in of snow a year.
Where Marco Island ranks
Marco Island ranks 343 of 4876 US cities in this dataset for comfort score, and 42 of 229 within FL. About 16,554 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from NAPLES MUNI AP, FL US, 15.8 miles from Marco Island, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure