The highest day temperature in March 2025 was 95°F. The lowest night temperature was 57°F. The average values for day and night temperatures during March were 75.3°F и 68.3°F respectivly.

The average sea surface temperature in March 2025 for Marco Island was 74.3°F. The maximum and minimum values were 72.4°F and 77.4°F respectively.

Most of the days in March are sunny but you can also expect cloudy and gloomy days.

Precipitation total in March for Marco Island is 0.5 in. It makes march one of the least rainy months of the year.

The average wind speed in March is 9.8 mph. It makes March one of the most windy months of the year for Marco Island.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Marco Island in March is 8.7 hours.