Weather in Key Biscayne, Key Biscayne, United States in March

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Visiting Key Biscayne, Key Biscayne, United States in March

March is one of the best months to visit Key Biscayne for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

March has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright. March has total rainfall of 7.6cm (3.0inches) making it mostly dry with only light showers. There are just 7.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a warm 24°C (74°F). March is a good month for swimming in Key Biscayne with comfortable temperatures for most people.

Also consider visiting Key Biscayne in one of the other best months of January, November, December, for the best beach weather.

March brings warmer weather and an increase in humidity, making it more comfortable for swimming and other water activities. Sunbathing is still a popular activity, and the island starts to get busier with spring break visitors. Snorkeling and diving become more enjoyable as water temperatures begin to rise. Also consider one of our other suggestions for March.

Can you sunbathe in Key Biscayne in March?

Yes, March is a great time for sunbathing in Key Biscayne.

March has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright. March has total rainfall of 7.6cm (3.0inches) making it mostly dry with only light showers. There are just 7.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about March temperature and sunshine.

Can you swim in Key Biscayne in March?

Yes, March is a good month for swimming in Key Biscayne with warm sea temperatures 24°C (74°F).

More about March sea temperatures.

Is March a good time to holiday in Key Biscayne?

Yes, March is a great time for a holiday in Key Biscayne.

March has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright. March has total rainfall of 7.6cm (3.0inches) making it mostly dry with only light showers. There are just 7.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a warm 24°C (74°F). March is a good month for swimming in Key Biscayne with comfortable temperatures for most people.

More about the March temperatures and sunshine.

Is Key Biscayne warm in March?

Yes, Key Biscayne is very warm and perfect for sunbathing on clear days in March.

The average maximum temperature in Key Biscayne in March is 27°C (80°F). The average maximum temperature is 26°C (78°) in the previous month and 29°C (84°F) in the next month.

The average temperature in Key Biscayne in March is 22°C (72°F). The average temperature is 21°C (71°F) in the previous month and 25°C (77°F) in the next month.

More info about the March temperatures and sunshine.

How sunny is Key Biscayne in March?

The average day light hours per day in Key Biscayne in March are 12. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright.

More about March sunshine.

Crowds in Key Biscayne in March

Crowds begin to grow in March as temperatures rise to an average of 73°F (23°C) and spring break season begins. College students and families flock to Key Biscayne during this time, making the beach more crowded, especially on weekends and during special events.

Temperature in Key Biscayne in March

The average maximum temperature in Key Biscayne in March is 27°C (80°F). The average maximum temperature is 26°C (78°F) in the previous month and 29°C (84°F) in the next month.

The average temperature in Key Biscayne in March is 22°C (72°F). The average temperature is 21°C (71°F) in the previous month and 25°C (77°F) in the next month.

The average minimum temperature in Key Biscayne in March is 18°C (65°F). The minimum temperature is 17°C (63°F) in the previous month and 21°C (69°F) in the next month.

Sunshine in Key Biscayne in March

During March the average day light hours are 12 per day in Key Biscayne. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright.

The ultraviolet index in Key Biscayne in March is typically 10.1 during March. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Key Biscayne in March

The average sea water temperature in Key Biscayne in March is 23.6°C (74.5°F) which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Key Biscayne in March

The average total rainfall in Key Biscayne in March is 7.6cm (3.0inches) and on average there are 7.8 rainy days in March making it a quite rainy time to visit the beach.

Humidity in Key Biscayne in March

The maximum dew point (an indicator of humidity) in Key Biscayne in March is 17°C (63°F) which is OK for most but slightly uncomfortable for some. The dew point is 18°C (64°F) in the previous month and 20°C (20°F) in the next month.

The average maximum relative humidity in Key Biscayne in March is typically 82.7%. The maximum relative humidity is 87.3% in the previous month and 82.3% in the next month.

The average relative humidity in Key Biscayne in March is typically 65.4%. The average relative humidity is 69.9% in the previous month and 65.9% in the next month.

Wind Speed in Key Biscayne in March

The average maximum wind speed in Key Biscayne in March is typically 29KM/H (18MPH). The average maximum wind speed is 27KM/H (17MPH) in the previous month and 29KM/H (18MPH) in the next month.

The average wind speed in Key Biscayne in March is typically 15KM/H (9MPH). The average wind speed is 12KM/H (8MPH) in the previous month and 15KM/H (9MPH) in the next month.

The average wind direction in Key Biscayne in March is from the East.

Monthly Averages

Suggested Beaches in March

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