April weather forecast
Campinas do Piauí, Brazil

April, the same as March, in Campinas do Piauí, Brazil, is a hot autumn month, with an average temperature fluctuating between 22.1°C (71.8°F) and 31.5°C (88.7°F).

Temperature

April stands out as Campinas do Piauí's coldest month, with temperatures ranging between an average high of 31.5°C (88.7°F) and a low of 22.1°C (71.8°F).

Heat index

April's mean heat index is evaluated at a scorching 40°C (104°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Records show heat index calculations are tailored for shaded regions and mild winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. 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. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in April is 74%.

Rainfall

In Campinas do Piauí, during April, the rain falls for 19.6 days and regularly aggregates up to 135mm (5.31") of precipitation. Throughout the year, there are 159.4 rainfall days, and 844mm (33.23") of precipitation is accumulated.

Daylight

In Campinas do Piauí, the average length of the day in April is 11h and 56min.
On the first day of April, sunrise is at 05:50 and sunset at 17:51. On the last day of the month, sunrise is at 05:49 and sunset at 17:39 -03.

Sunshine

April has the least sunshine of the year, with an average of 7.4h of sunshine.

UV index

In Campinas do Piauí, Brazil, the average daily maximum UV index in April is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 7 in April translates into this advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.