August weather forecast
Juana Díaz, PR

August sees the continuation of summer weather conditions in Puerto Rico, USA. While the temperatures remain relatively stable, the sea temperature peaks at 84.5°F (29.2°C), making it perfect for any water-based activities. Evenings carry the warmth of the day and have a slightly higher humidity, intensifying night-time tropical feel. Intermittent showers dot the month, bringing a sense of freshness and balance to the hot days. As the season transitions into September, anticipate a gradual dip in temperatures and a noticeable increase in rainfall.

Temperature

Juana Díaz's August weather, with an average high temperature of 86.5°F (30.3°C) and an average low temperature of 76.6°F (24.8°C), tends to be the warmest of the year.

Heat index

August's heat index is computed to be a very hot 100.4°F (38°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In Juana Díaz, the average relative humidity in August is 78%.

Rainfall

In Juana Díaz, during August, the rain falls for 22.8 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Juana Díaz, during the entire year, the rain falls for 249.1 days and collects up to 28.82" (732mm) of precipitation.

Ocean temperature

In Juana Díaz, in August, the average water temperature is 84.6°F (29.2°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In August, the average length of the day is 12h and 43min.
On the first day of August, sunrise is at 6:04 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 6:40 pm AST.

Sunshine

The average sunshine in August is 8.9h.

UV index

The months with the highest UV index are May through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 7 translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.