March weather forecast
Chã Grande, Brazil

The first month of the autumn, March, is also a hot month in Chã Grande, Brazil, with an average temperature fluctuating between 21.7°C (71.1°F) and 30.6°C (87.1°F).

Temperature

Chã Grande notes the warmest temperatures in March, with a high average of 30.6°C (87.1°F) and a low of 21.7°C (71.1°F).

Heat index

For March, the heat index is calculated to be a fiery hot 39°C (102.2°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. 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. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in March is 78%.

Rainfall

March is the month with the most rainfall. Rain falls for 17 days and accumulates 71mm (2.8") of precipitation.

Daylight

In March, the average length of the day in Chã Grande is 12h and 9min.
On the first day of March in Chã Grande, Brazil, sunrise is at 05:26 and sunset at 17:41. On the last day of the month, sunrise is at 05:24 and sunset at 17:26 -03.

Sunshine

The month with the most sunshine in Chã Grande is March, with an average of 6.9h of sunshine.

UV index

January through May, August through December, with an average maximum UV index of 6, are months with the highest UV index in Chã Grande. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in March translates into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.