April weather forecast
Angra dos Reis, Brazil

April in Angra dos Reis ushers in a marked transition from the intense summer heat to a mellow climate. The temperature hovers between 20.8°C (69.4°F) and 27.6°C (81.7°F) accompanied by an impressive 190mm (7.48") rainfall. The length of the day starts to decrease, leading to a slight dip in sunshine hours. The weather welcomes visitors to explore the city's rich attractions without having to worry about scorching heat. The UV index also descends, bringing some relief from the intense Brazilian sun.

Temperature

April's arrival brings an average high-temperature of a still warm 27.6°C (81.7°F), demonstrating subtle variation from the preceding month. In Angra dos Reis, April nights cool down to an average of 20.8°C (69.4°F).

Heat index

The heat index for April is calculated to be a tropical 31°C (87.8°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Angra dos Reis, Brazil, the average relative humidity in April is 82%.

Rainfall

In Angra dos Reis, in April, during 13 rainfall days, 190mm (7.48") of precipitation is typically accumulated. Throughout the year, there are 165 rainfall days, and 1977mm (77.83") of precipitation is accumulated.

Sea temperature

In Angra dos Reis, Brazil, in April, the average water temperature is 25.7°C (78.3°F).
Note: For water activities like swimming, diving, and more, temperatures ranging between 25°C (77°F) and 29°C (84.2°F) offer superior comfort and enjoyment for lengthy durations.

Daylight

In April, the average length of the day in Angra dos Reis is 11h and 33min.
On the first day of the month, sunrise is at 06:05 and sunset at 17:56. On the last day of April, in Angra dos Reis, sunrise is at 06:16 and sunset at 17:32 -03.

Sunshine

The average sunshine in April in Angra dos Reis, Brazil, is 5h.

UV index

In Angra dos Reis, the average daily maximum UV index in April is 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 9 translates into these guidelines:
Be sure to take precautions. Without protection, skin might suffer damage quickly. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Applying and reapplying a broad-spectrum sunscreen with a minimum SPF 30 after every two hours, outdoor workout, or swim is recommended. Attention! UV radiation is markedly stronger with water and sand reflections.