Weather in Key Biscayne, United States in August

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Visiting Key Biscayne, United States in August

August has average maximum temperatures of 33°C (91°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 8.1hrs making the days long and bright. August has total rainfall of 28.2cm (11.1inches) making it quite rainy but mostly with moderate tropical showers. There are 22.6 days with some rainfall so there are few clear days to enjoy the beach. It is not an optimal time for sunbathing but it is possible on clearer days in Key Biscayne. Sea temperatures are a very warm 29°C (84°F). August is an excellent month for swimming in Key Biscayne with very comfortable temperatures for bathing all day.

Consider visiting Key Biscayne in the months of January, March, November, December, for the best beach weather.

Also consider one of our other suggestions for August.

Can you sunbathe in Key Biscayne in August?

Yes, August is not an optimal time for sunbathing but it is possible on clearer days in Key Biscayne.

August has average maximum temperatures of 33°C (91°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 8.1hrs making the days long and bright. August has total rainfall of 28.2cm (11.1inches) making it quite rainy but mostly with moderate tropical showers. There are 22.6 days with some rainfall so there are few clear days to enjoy the beach.

More about August temperature and sunshine.

Can you swim in Key Biscayne in August?

Yes, August is an excellent month for swimming in Key Biscayne with very warm sea temperatures 29°C (84°F).

More about August sea temperatures.

Is August a good time to holiday in Key Biscayne?

Yes, August is a good time for a holiday in Key Biscayne.

August has average maximum temperatures of 33°C (91°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 8.1hrs making the days long and bright. August has total rainfall of 28.2cm (11.1inches) making it quite rainy but mostly with moderate tropical showers. There are 22.6 days with some rainfall so there are few clear days to enjoy the beach. It is not an optimal time for sunbathing but it is possible on clearer days in Key Biscayne. Sea temperatures are a very warm 29°C (84°F). August is an excellent month for swimming in Key Biscayne with very comfortable temperatures for bathing all day.

More about the August temperatures and sunshine.

Is Key Biscayne warm in August?

Yes, Key Biscayne is very hot and perfect for sunbathing on clear days in August.

The average maximum temperature in Key Biscayne in August is 33°C (91°F). The average maximum temperature is 33°C (91°) in the previous month and 32°C (89°F) in the next month.

The average temperature in Key Biscayne in August is 29°C (85°F). The average temperature is 29°C (84°F) in the previous month and 28°C (83°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is Key Biscayne in August?

The average day light hours per day in Key Biscayne in August are 13. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 8.1hrs making the days long and bright.

More about August sunshine.

Temperature in Key Biscayne in August

The average maximum temperature in Key Biscayne in August is 33°C (91°F). The average maximum temperature is 33°C (91°F) in the previous month and 32°C (89°F) in the next month.

The average temperature in Key Biscayne in August is 29°C (85°F). The average temperature is 29°C (84°F) in the previous month and 28°C (83°F) in the next month.

The average minimum temperature in Key Biscayne in August is 26°C (78°F). The minimum temperature is 25°C (78°F) in the previous month and 25°C (77°F) in the next month.

Sunshine in Key Biscayne in August

During August the average day light hours are 13 per day in Key Biscayne. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 8.1hrs making the days long and bright.

The ultraviolet index in Key Biscayne in August is typically 12.2 during August. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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 August

The average sea water temperature in Key Biscayne in August is 29°C (84.2°F) which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Key Biscayne in August

The average total rainfall in Key Biscayne in August is 28.2cm (11.1inches) and on average there are 22.6 rainy days in August making it a very wet time to visit the beach.

Humidity in Key Biscayne in August

The maximum dew point (an indicator of humidity) in Key Biscayne in August is 25°C (77°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 24°C (76°F) in the previous month and 24°C (24°F) in the next month.

The average maximum relative humidity in Key Biscayne in August is typically 88%. The maximum relative humidity is 87.2% in the previous month and 89.3% in the next month.

The average relative humidity in Key Biscayne in August is typically 73.2%. The average relative humidity is 72.6% in the previous month and 74.6% in the next month.

Wind Speed in Key Biscayne in August

The average maximum wind speed in Key Biscayne in August is typically 29KM/H (18MPH). The average maximum wind speed is 28KM/H (18MPH) in the previous month and 28KM/H (18MPH) in the next month.

The average wind speed in Key Biscayne in August is typically 10KM/H (6MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 11KM/H (7MPH) in the next month.

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

Monthly Averages

Suggested Beaches in August

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.