July weather forecast
Vieques, PR

July ventures deeper into the summer, with Vieques experiencing its highest sea temperature of the year at 83.6°F (28.7°C). The hot weather creates a perfect environment for water activities, cooling down in sea breezes, and lounging on sun-drenched beaches. Frequent rain showers bring relief from the scorching sun, while the consistent breeze makes the weather tolerable. Despite the rain and humidity, July also offers good visibility for outdoor adventures and sightseeing.

Temperature

The shift from June to July is characterized by an average high-temperature of a still warm 83.5°F (28.6°C), not significantly different from the 82.9°F (28.3°C) of June. Vieques observes a consistent average low-temperature of 80.1°F (26.7°C) throughout July nights.

Heat index

During July, the heat index is appraised at a hot 91.4°F (33°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

May through August, with an average relative humidity of 79%, are the most humid months in Vieques.

Rainfall

In Vieques, in July, it is raining for 19.8 days, with typically 2.6" (66mm) of accumulated precipitation. In Vieques, during the entire year, the rain falls for 216 days and collects up to 21.5" (546mm) of precipitation.

Ocean temperature

In Vieques, in July, the average water temperature is 83.7°F (28.7°C).
Note: For engaging in any water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) are viewed as outstanding and exceptionally pleasing for prolonged durations.

Daylight

In July, the average length of the day is 13h and 5min.
On the first day of the month, sunrise is at 5:49 am and sunset at 7:01 pm. On the last day of July, in Vieques, sunrise is at 5:59 am and sunset at 6:56 pm AST.

Sunshine

The average sunshine in July is 10.1h.

UV index

January, March through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 7 during July leads to these instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.