March weather forecastRio Largo, Brazil

Weather in March

March, the first month of the autumn in Rio Largo, is also a hot month, with an average temperature varying between 24°C (75.2°F) and 31.3°C (88.3°F).

Temperature

March is the warmest month, with an average high-temperature of 31.3°C (88.3°F) and an average low-temperature of 24°C (75.2°F).

Heat index

In March, the heat index is appraised at a scorching 40°C (104°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The months with the lowest humidity are March and December, with an average relative humidity of 74%.

Rainfall

In Rio Largo, during March, the rain falls for 18.3 days and regularly aggregates up to 50mm (1.97") of precipitation. Throughout the year, there are 256.6 rainfall days, and 686mm (27.01") of precipitation is accumulated.

Daylight

In March, the average length of the day is 12h and 9min.
On the first day of the month, sunrise is at 05:27 and sunset at 17:43. On the last day of March, in Rio Largo, sunrise is at 05:26 and sunset at 17:27 -03.

Sunshine

With an average of 8.1h of sunshine, March has the most sunshine of the year.

UV index

The months with the highest UV index are January through March, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 7 during March translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.