April weather forecast
Juana Díaz, PR

April's weather in Puerto Rico, USA, ushers in a sense of vibrancy and life that engulfs the island. Though temperature variations between March and April remain subtle, rainfall increases to an average of 1.57 in, providing nourishment for flora. The overall humidity levels stay consistent, making the weather comfortable for both residents and tourists alike. Visitors to the breathtaking beaches can enjoy the warm sea waters under the additional half-hour of daylight the month brings. As the seasons shift towards summer, May introduces even warmer temperatures and an increase in showers.

Temperature

April denotes a minimal variation in the average high-temperature to a still moderately hot 82.8°F (28.2°C) from March's 82°F (27.8°C). Juana Díaz records an average nighttime low-temperature of 72.1°F (22.3°C) throughout April.

Heat index

April's heat index is computed to be a hot 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In Juana Díaz, the average relative humidity in April is 77%.

Rainfall

In Juana Díaz, during April, the rain falls for 21.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 249.1 rainfall days, and 28.82" (732mm) of precipitation is accumulated.

Ocean temperature

In Juana Díaz, the average seawater temperature in April is 80.8°F (27.1°C).
Note: With water temperature from 77°F (25°C) to 84.2°F (29°C), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

The average length of the day in April in Juana Díaz, Puerto Rico, is 12h and 34min.
On the first day of April in Juana Díaz, sunrise is at 6:19 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:47 pm AST.

Sunshine

In April, the average sunshine is 8.8h.

UV index

January through April, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 6 during April leads to these instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! The combination of sand and water reflections enhances UV ray intensity.