April weather forecastOlindina, Brazil

Weather in April

April, the same as March, in Olindina, Brazil, is another tropical autumn month, with an average temperature varying between 21.6°C (70.9°F) and 31.1°C (88°F).

Temperature

April's advent denotes a minor fluctuation in the average high-temperature to a still tropical 31.1°C (88°F) from March's 32.8°C (91°F). In Olindina, the average temperature during the nights of April drops to an agreeable 21.6°C (70.9°F).

Heat index

For most parts of April, the heat index is evaluated at a scorching 41°C (105.8°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. 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.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in April in Olindina is 79%.

Rainfall

In Olindina, during April, the rain falls for 19.7 days and regularly aggregates up to 55mm (2.17") of precipitation. In Olindina, during the entire year, the rain falls for 201.7 days and collects up to 430mm (16.93") of precipitation.

Daylight

The average length of the day in April is 11h and 51min.
On the first day of the month, sunrise is at 05:37 and sunset at 17:36. On the last day of April, sunrise is at 05:39 and sunset at 17:21 -03.

Sunshine

The average sunshine in April in Olindina is 5.9h.

UV index

The average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In April, a regular UV index of 6 translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. 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. Opt for tightly woven and loose clothing to enhance protection from the Sun.