April weather forecast
Igarapé-Açu, Brazil

April, the same as March, is another warm autumn month in Igarapé-Açu, Brazil, with an average temperature ranging between max 29.7°C (85.5°F) and min 22.8°C (73°F).

Temperature

During March and April, Igarapé-Açu experiences its lowest temperatures, averaging a high-temperature of 29.7°C (85.5°F).

Heat index

Throughout April, the heat index is evaluated at a blisteringly hot 40°C (104°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

With an average relative humidity of 92%, April is the most humid month in Igarapé-Açu.

Rainfall

In Igarapé-Açu, in April, during 29.9 rainfall days, 249mm (9.8") of precipitation is typically accumulated. In Igarapé-Açu, during the entire year, the rain falls for 332.9 days and collects up to 1589mm (62.56") of precipitation.

Daylight

In April, the average length of the day in Igarapé-Açu is 12h and 5min.
On the first day of April in Igarapé-Açu, sunrise is at 06:11 and sunset at 18:17. On the last day of the month, sunrise is at 06:05 and sunset at 18:09 -03.

Sunshine

In April, the average sunshine in Igarapé-Açu is 5.8h.

UV index

The months with the lowest UV index are January through April, June, August and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: During April, 6 as the daily maximum UV index converts into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.