March weather forecast
Bernardo Sayão, Brazil

The first month of the autumn, March, is still a hot month in Bernardo Sayão, Brazil, with an average temperature varying between 22.3°C (72.1°F) and 30.9°C (87.6°F).

Temperature

March's arrival brings an average high-temperature of a still tropical 30.9°C (87.6°F), demonstrating subtle variation from the preceding month. During the month of March, the nighttime temperature in Bernardo Sayão falls to an average of 22.3°C (72.1°F).

Heat index

March's mean heat index is computed to be an extremely hot 42°C (107.6°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The months with the highest humidity are February and March, with an average relative humidity of 85%.

Rainfall

March is the month with the most rainfall in Bernardo Sayão. Rain falls for 29.6 days and accumulates 204mm (8.03") of precipitation.

Daylight

In Bernardo Sayão, Brazil, the average length of the day in March is 12h and 8min.
On the first day of March, sunrise is at 06:20 and sunset at 18:35. On the last day of the month, sunrise is at 06:18 and sunset at 18:20 -03.

Sunshine

The average sunshine in March in Bernardo Sayão is 7.4h.

UV index

The months with the lowest UV index in Bernardo Sayão are January through April, October and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In March, the maximum UV index of 6 transforms into these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.