April weather forecast
Caicó, Brazil

April, like March, is a hot autumn month in Caicó, Brazil, with an average temperature varying between 33.1°C (91.6°F) and 22.8°C (73°F).

Temperature

April's weather displays an average high-temperature of a still tropical 33.1°C (91.6°F), slightly varied from March's 34°C (93.2°F). During the month of April, Caicó experiences a steady low-temperature average of 22.8°C (73°F).

Heat index

The heat index in April is evaluated at a blistering 44°C (111.2°F). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.
In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

April and May, with an average relative humidity of 70%, are the most humid months in Caicó.

Rainfall

In Caicó, during April, the rain falls for 21.5 days and regularly aggregates up to 101mm (3.98") of precipitation. Throughout the year, there are 122.6 rainfall days, and 442mm (17.4") of precipitation is accumulated.

Daylight

In Caicó, the average length of the day in April is 11h and 58min.
On the first day of the month, sunrise is at 05:30 and sunset at 17:33. On the last day of April, sunrise is at 05:28 and sunset at 17:22 -03.

Sunshine

In April, the average sunshine in Caicó is 8.7h.

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 in Caicó are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In April, the average maximum UV index of 7 translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.