April weather forecastCasa Nova, Brazil

Weather in April

April, like March, is another hot autumn month in Casa Nova, Brazil, with an average temperature ranging between max 30.9°C (87.6°F) and min 21.8°C (71.2°F).

Temperature

As March transitions into April, Casa Nova records an average high-temperature of a still tropical 30.9°C (87.6°F), showing a gentle shift from the preceding month. In Casa Nova, an average temperature of 21.8°C (71.2°F) is noted during April nights.

Heat index

For April, the heat index is estimated at a fiery hot 37°C (98.6°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The most humid month in Casa Nova, Brazil, is April, with an average relative humidity of 68%.

Rainfall

In Casa Nova, in April, it is raining for 13.6 days, with typically 55mm (2.17") of accumulated precipitation. Throughout the year, there are 107.5 rainfall days, and 451mm (17.76") of precipitation is accumulated.

Daylight

In April, the average length of the day is 11h and 54min.
On the first day of April in Casa Nova, sunrise is at 05:47 and sunset at 17:47. On the last day of the month, sunrise is at 05:47 and sunset at 17:34 -03.

Sunshine

In Casa Nova, the average sunshine in April is 8.2h.

UV index

The months with the highest UV index in Casa Nova are January through April, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 7 during April translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.