Sea Temperature in Florida Keys in March

© Gieljan Engelrelst

Complete information on the sea temperature range in the Gulf of Mexico (Gulf of America) in Florida Keys in March. Historical daily data. Climate details for March. Tips on swimming conditions and beach relaxation in Florida Keys. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Florida Keys Climate and Swimming Opportunities in March

Florida Keys lies within the Florida in United States. The average daytime temperature in Florida Keys in March is 78°F (26°C), while the nighttime average is 64°F (18°C). There are typically seven rainy days during the month, with a total precipitation of 2.1 inches (53 mm). The daylight duration in March in Florida Keys is 12 hours, with an average of 9 hours of sunshine per day. The average wind speed in March is 12 mph (19 km/h), and the humidity level is around 71%.

The water temperature in Florida Keys in March ranges from 72°F to 79°F (22°C to 26°C). At the beginning of the month, the average temperature is around 73°F (23°C), shifting to 73°F (23°C) by mid-March and reaching 77°F (25°C) in the last ten days. Overall, the average sea temperature in Florida Keys for March is 75°F (24°C). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in March in Florida Keys