March weather forecastAlcântaras, Brazil

Weather in March

The first month of the autumn, March, is still a hot month in Alcântaras, Brazil, with temperature in the range of an average high of 30.9°C (87.6°F) and an average low of 22.1°C (71.8°F).

Temperature

Alcântaras experiences an average high-temperature of a still hot 30.9°C (87.6°F) in March, subtly different from February's 31.4°C (88.5°F). March nights cool down to an average low-temperature of 22.1°C (71.8°F).

Heat index

The heat index in March is computed to be a blistering 42°C (107.6°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. 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 quite important for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

In Alcântaras, the average relative humidity in March is 84%.

Rainfall

The month with the most rainfall is March, when the rain falls for 29 days and typically aggregates up to 242mm (9.53") of precipitation.

Daylight

The average length of the day in March in Alcântaras is 12h and 8min.
On the first day of March, sunrise is at 05:49 and sunset at 17:59. On the last day of the month, sunrise is at 05:43 and sunset at 17:48 -03.

Sunshine

The month with the least sunshine in Alcântaras is March, with an average of 5.6h of sunshine.

UV index

January through June, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 6 during March translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. 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.