The highest day temperature in April 2026 was 86°F. The lowest night temperature was 76°F. The average values for day and night temperatures during April were 81.3°F и 77.9°F respectivly.

The average sea surface temperature in April 2026 for Islamorada was 81.6°F. The maximum and minimum values were 79.4°F and 84.8°F respectively.

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

Precipitation total in April for Islamorada is 0.6 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 13.7 mph. It makes April 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 April is 8.1 hours.