The highest day temperature in March 2025 was 81°F. The lowest night temperature was 64°F. The average values for day and night temperatures during March were 76.2°F и 73.8°F respectivly.

The average sea surface temperature in March 2025 for Islamorada was 78.0°F. The maximum and minimum values were 76.0°F and 80.6°F respectively.

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

Precipitation total in March for Islamorada is 0.4 in. It makes march one of the least rainy months of the year.

The average wind speed in March is 13.8 mph. It makes March one of the most windy months of the year for Islamorada.

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 Islamorada in March is 7.3 hours.