March weather forecastVargem Alta, Brazil

Weather in March

March, the first month of the autumn in Vargem Alta, is still a warm month, with an average temperature fluctuating between 28.8°C (83.8°F) and 20°C (68°F).

Temperature

The arrival of March brings an average high-temperature of a moderately hot 28.8°C (83.8°F), subtly diverging from February's 30.1°C (86.2°F). During March nights, Vargem Alta witnesses a consistent average temperature of 20°C (68°F).

Heat index

March's heat index is estimated at a very hot 35°C (95°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in March is 85%.

Rainfall

In Vargem Alta, Brazil, during March, the rain falls for 24.2 days and regularly aggregates up to 114mm (4.49") of precipitation. In Vargem Alta, during the entire year, the rain falls for 207.5 days and collects up to 823mm (32.4") of precipitation.

Daylight

The average length of the day in March in Vargem Alta is 12h and 12min.
On the first day of the month, sunrise is at 05:41 and sunset at 18:10. On the last day of March, in Vargem Alta, sunrise is at 05:51 and sunset at 17:44 -03.

Sunshine

In March, the average sunshine in Vargem Alta is 7.7h.

UV index

The months with the highest UV index in Vargem Alta, Brazil, are January through March, August, October and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in March transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. 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. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.