July weather forecast
Culebra, PR

Culebra's weather in July continues to intensify. With the hottest temperature of 82.9°F (28.3°C) and rainfall totalling 2.91" (74mm) spread over 21.7 days, it is a warm and wet month. Despite increasing cloud cover, there's plenty of sunshine to keep things exciting. The temperature of the sea hovers around a warm 83.6°F (28.7°C), perfect for swimming and diving. Blowing at 15mph (24.1km/h) on average, the wind provides a cooling effect against the arduous heat.

Temperature

Culebra experiences a transition to a still warm 82.9°F (28.3°C) in average high-temperatures with the arrival of July, not greatly differing from June's 82.6°F (28.1°C). Culebra's nights in July maintain a consistent average of 80.2°F (26.8°C), demonstrating a minimal differential from its daytime temperature.

Heat index

During July, the heat index is computed to be a tropical 91.4°F (33°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The months with the highest humidity are May through August, with an average relative humidity of 78%.

Rainfall

In Culebra, in July, during 21.7 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 253.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.

Ocean temperature

In July, the average ocean temperature is 83.7°F (28.7°C).
Note: In water activities such as swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed highly pleasurable for extended periods without any unease.

Daylight

In Culebra, the average length of the day in July is 13h and 6min.
On the first day of July, sunrise is at 5:48 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:56 pm AST.

Sunshine

The average sunshine in July is 10.3h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In July, the average maximum UV index of 7 translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.