April weather forecast
Mansidão, Brazil

April, like March, in Mansidão, Brazil, is another warm autumn month, with an average temperature varying between 19.3°C (66.7°F) and 29.8°C (85.6°F).

Temperature

Mansidão's temperatures tend to hit their minimum during April and June, with an average high-temperature of 29.8°C (85.6°F).

Heat index

In April, the average heat index is evaluated at a sweltering 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Evaluating the heat index requires understanding its values in the shade and with 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 'real feel' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Mansidão, the average relative humidity in April is 80%.

Rainfall

In April, the rain falls for 16.1 days. Throughout April, 65mm (2.56") of precipitation is accumulated. In Mansidão, during the entire year, the rain falls for 134.3 days and collects up to 578mm (22.76") of precipitation.

Daylight

In Mansidão, the average length of the day in April is 11h and 52min.
On the first day of the month, sunrise is at 06:00 and sunset at 17:59. On the last day of April, in Mansidão, sunrise is at 06:01 and sunset at 17:45 -03.

Sunshine

With an average of 6.3h of sunshine, April has the least sunshine of the year.

UV index

The months with the lowest UV index in Mansidão are January through July, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In April, the maximum UV index of 6 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.