April weather forecastPalmas, Brazil

Weather in April

April, like March, is another hot autumn month in Palmas, Brazil, with an average temperature ranging between max 30.3°C (86.5°F) and min 21.8°C (71.2°F).

Temperature

The coldest period, with an average high-temperature of 30.3°C (86.5°F), falls in February through April.

Heat index

The heat index value for April is calculated to be an extremely hot 40°C (104°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

The average relative humidity in April is 84%.

Rainfall

In Palmas, during April, the rain falls for 24.1 days and regularly aggregates up to 107mm (4.21") of precipitation. In Palmas, Brazil, during the entire year, the rain falls for 198 days and collects up to 907mm (35.71") of precipitation.

Daylight

The average length of the day in April is 11h and 52min.
On the first day of the month, sunrise is at 06:17 and sunset at 18:16. On the last day of April, sunrise is at 06:18 and sunset at 18:02 -03.

Sunshine

In Palmas, the average sunshine in April is 8.2h.

UV index

The months with the lowest UV index are February through May and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In April, a regular UV index of 6 translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.