Longboat Key Weather in March

What's the weather like in Longboat Key (Florida) in March 2025?

The climate in Longboat Key during March can be summarized as warm and a little damp.

March is in the spring in Longboat Key and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 14°C (57°F) is normal.

Longboat Key weather averages (imperial / metric)
Daytime temperature 25°C 77°F
Nightly temperature 14°C 57.2°F
Average temperature 19.5°C 67.1°F
Daily sunshine 9.3 hrs
Avg rainfall 82 mm 3.2 ins
Rainy days 6 days
Sea temperature 20.1°C 68.2°F
Humidity 72%
Windspeed 15.8kph 10 mph

On average March is the 5th wettest month of the year in Longboat Key with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

March temperatures in Longboat Key

Longboat Key average temperature in March

March rainfall

Longboat Key average rain in March

March hourly sunshine

Longboat Key average rain in March

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Longboat Key in March 2024.