March weather forecastCasa Nova, Brazil

Weather in March

March, the first month of the autumn in Casa Nova, is also a hot month, with an average temperature ranging between min 22.3°C (72.1°F) and max 31.6°C (88.9°F).

Temperature

March's onset brings an average high-temperature of a still hot 31.6°C (88.9°F), showing a minute difference from February's 31.5°C (88.7°F). In March, the average low-temperature records at an agreeable 22.3°C (72.1°F) during the nights.

Heat index

Throughout March, the heat index is estimated at a fiery hot 38°C (100.4°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Casa Nova, the average relative humidity in March is 66%.

Rainfall

In Casa Nova, during March, the rain falls for 18.2 days and regularly aggregates up to 84mm (3.31") of precipitation. Throughout the year, in Casa Nova, there are 107.5 rainfall days, and 451mm (17.76") of precipitation is accumulated.

Daylight

In Casa Nova, Brazil, the average length of the day in March is 12h and 9min.
On the first day of the month, sunrise is at 05:47 and sunset at 18:04. On the last day of March, sunrise is at 05:47 and sunset at 17:48 -03.

Sunshine

The average sunshine in March in Casa Nova is 8.8h.

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 value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 7 in March transforms into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.