March weather forecastIguaba, Brazil

Weather in March

March, the first month of the autumn in Iguaba, is still a tropical month, with an average temperature varying between 33.2°C (91.8°F) and 21.8°C (71.2°F).

Temperature

Iguaba marks the start of March with an average high-temperature of a still tropical 33.2°C (91.8°F), hinting at a slight fluctuation from February's 32.9°C (91.2°F). Iguaba's average low-temperature during March nights is observed to be a pleasant 21.8°C (71.2°F).

Heat index

March's average heat index is computed to be a blistering 42°C (107.6°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In March, the average relative humidity in Iguaba is 66%.

Rainfall

March is the month with the most rainfall. Rain falls for 10.4 days and accumulates 43mm (1.69") of precipitation.

Daylight

The average length of the day in March is 12h and 9min.
On the first day of the month, sunrise is at 05:35 and sunset at 17:52. On the last day of March, in Iguaba, sunrise is at 05:35 and sunset at 17:35 -03.

Sunshine

In Iguaba, the average sunshine in March is 8.1h.

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 average person.
Note: The maximum daily UV index of 7 in March converts into the following recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.