August weather forecast
Palm Beach, FL

August perseveres with the sultriness of July, as Palm Beach thrives under the tropical sun. Rainfall reaches an annual high with 4.13" (105mm), mitigating the adverse effects of a hot 86.5°F (30.3°C) peak temperature. The upcoming month will experience a dip in temperatures and a decline in rainfall. Despite the hot temperatures and moist conditions, August retains its appeal with crystal clear ocean waters, attractive outdoor activities, and the city's cultural allure.

Temperature

Temperature records mark August as the warmest month, with highs averaging 86.5°F (30.3°C) and lows at 81.3°F (27.4°C).

Heat index

August's heat index is evaluated at a sweltering 98.6°F (37°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The average relative humidity in August is 75%.

Rainfall

August is the month with the most rainfall. Rain falls for 24.8 days and accumulates 4.13" (105mm) of precipitation.

Ocean temperature

The month with the warmest seawater in Palm Beach is August, with an average ocean temperature of 85.6°F (29.8°C).
Note: For activities such as swimming and diving, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

In Palm Beach, the average length of the day in August is 13h and 3min.
On the first day of the month, sunrise is at 6:45 am and sunset at 8:07 pm. On the last day of August, in Palm Beach, sunrise is at 6:59 am and sunset at 7:40 pm EDT.

Sunshine

In August, the average sunshine is 10.8h.

UV index

The months with the highest UV index in Palm Beach are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 7 in August suggests the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! Reflections of sand and water make the Sun's UV rays stronger.