March weather forecast
Rio Real, Brazil

The first month of the autumn, March, is still a tropical month in Rio Real, Brazil, with an average temperature varying between 22.3°C (72.1°F) and 32.8°C (91°F).

Temperature

Rio Real's March weather, with an average high temperature of 32.8°C (91°F) and an average low temperature of 22.3°C (72.1°F), tends to be the warmest of the year.

Heat index

For March, the heat index is calculated to be a scorching 44°C (111.2°F). Stay wary: Heat exhaustion and heat cramps are possible. Heatstroke can ensue from extended effort.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The months with the lowest humidity are February, March and December, with an average relative humidity of 72%.

Rainfall

In Rio Real, during March, the rain falls for 16.8 days and regularly aggregates up to 50mm (1.97") of precipitation. Throughout the year, there are 201.7 rainfall days, and 430mm (16.93") of precipitation is accumulated.

Daylight

In March, the average length of the day is 12h and 10min.
On the first day of March in Rio Real, sunrise is at 05:34 and sunset at 17:53. On the last day of the month, sunrise is at 05:35 and sunset at 17:35 -03.

Sunshine

The average sunshine in March is 7.2h.

UV index

The months with the highest UV index in Rio Real, Brazil, are January through March, November and 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 the ordinary person.
Note: In March, the UV index of 7 transforms into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious.