April weather forecast
Cachoeira dos Índios, Brazil

April, the same as March, in Cachoeira dos Índios, Brazil, is another tropical autumn month, with an average temperature fluctuating between 20.7°C (69.3°F) and 30.5°C (86.9°F).

Temperature

The shift from March to April is characterized by an average high-temperature of a still tropical 30.5°C (86.9°F), not significantly different from the 31.3°C (88.3°F) of March. April brings an average low-temperature of 20.7°C (69.3°F) to Cachoeira dos Índios.

Heat index

The heat index value during April is appraised at a very hot 38°C (100.4°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

With an average relative humidity of 76%, April is the most humid month.

Rainfall

In Cachoeira dos Índios, Brazil, in April, during 22.9 rainfall days, 117mm (4.61") of precipitation is typically accumulated. Throughout the year, there are 159.2 rainfall days, and 757mm (29.8") of precipitation is accumulated.

Daylight

The average length of the day in April is 11h and 57min.
On the first day of the month, sunrise is at 05:37 and sunset at 17:39. On the last day of April, sunrise is at 05:35 and sunset at 17:27 -03.

Sunshine

In April, the average sunshine is 7.6h.

UV index

January, February, April through July, with an average maximum UV index of 6, are months with the lowest UV index in Cachoeira dos Índios. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during April translates into the following guidance:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.