April weather forecast
Tarrafas, Brazil

April, the same as March, in Tarrafas, Brazil, is another tropical autumn month, with an average temperature fluctuating between 31.3°C (88.3°F) and 21.5°C (70.7°F).

Temperature

Tarrafas, Brazil, marks the onset of April with an average high-temperature of a still tropical 31.3°C (88.3°F), a subtle shift from March's 32.2°C (90°F). Tarrafas experiences an average temperature drop to a pleasant 21.5°C (70.7°F) during April nights.

Heat index

In April, the heat index is appraised at an extremely hot 41°C (105.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to 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.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

With an average relative humidity of 77%, April is the most humid month.

Rainfall

In Tarrafas, in April, it is raining for 23.9 days, with typically 107mm (4.21") of accumulated precipitation. In Tarrafas, during the entire year, the rain falls for 168.6 days and collects up to 686mm (27.01") of precipitation.

Daylight

In Tarrafas, the average length of the day in April is 11h and 58min.
On the first day of the month, sunrise is at 05:41 and sunset at 17:43. On the last day of April, sunrise is at 05:39 and sunset at 17:32 -03.

Sunshine

The average sunshine in April is 7h.

UV index

February, April through June, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: During April, 6 as the daily maximum UV index converts into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.