March weather forecast
Iuiú, Brazil

The first month of the autumn, March, is still a warm month in Iuiú, Brazil, with an average temperature varying between 29.9°C (85.8°F) and 20°C (68°F).

Temperature

Iuiú's average high-temperature in March is a moderately hot 29.9°C (85.8°F), marking an insignificant difference from the 30.2°C (86.4°F) of February. Throughout March, the average low-temperature dips to an agreeable 20°C (68°F).

Heat index

The heat index in March is computed to be a torrid 37°C (98.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Consider that heat index readings are for situations in the shade and light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

March is the most humid month, with an average relative humidity of 79%.

Rainfall

In Iuiú, in March, it is raining for 21.3 days, with typically 129mm (5.08") of accumulated precipitation. Throughout the year, there are 145.7 rainfall days, and 748mm (29.45") of precipitation is accumulated.

Daylight

In March, the average length of the day is 12h and 10min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:17. On the last day of March, in Iuiú, sunrise is at 05:59 and sunset at 17:57 -03.

Sunshine

The average sunshine in March in Iuiú is 9.1h.

UV index

January through July, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 6 in March interprets into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.