April weather forecast
Serra da Raiz, Brazil

April, the same as March, in Serra da Raiz, Brazil, is another tropical autumn month, with an average temperature varying between 30.9°C (87.6°F) and 22.1°C (71.8°F).

Temperature

The shift into April records an average high-temperature of a still tropical 30.9°C (87.6°F), subtly varied from March's 32°C (89.6°F). Serra da Raiz's nighttime temperature in April falls to an average of 22.1°C (71.8°F).

Heat index

April's heat index is appraised at an extremely hot 41°C (105.8°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In Serra da Raiz, the average relative humidity in April is 81%.

Rainfall

The month with the most rainfall in Serra da Raiz is April, when the rain falls for 19.3 days and typically aggregates up to 72mm (2.83") of precipitation.

Daylight

In April, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 05:24 and sunset at 17:26. On the last day of April, in Serra da Raiz, sunrise is at 05:22 and sunset at 17:15 -03.

Sunshine

In April, the average sunshine is 6.3h.

UV index

The months with the lowest UV index are March through September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 6 transforms into these recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. 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. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.