March weather forecast
Itanhém, Brazil

The first month of the autumn, March, is still a tropical month in Itanhém, Brazil, with an average temperature ranging between max 30.8°C (87.4°F) and min 21.3°C (70.3°F).

Temperature

Itanhém's average high-temperature in March is a still hot 30.8°C (87.4°F), marking an insignificant difference from the 31.2°C (88.2°F) of February. Itanhém's average low-temperature during March nights is observed to be an agreeable 21.3°C (70.3°F).

Heat index

The heat index for March is computed to be an extremely hot 41°C (105.8°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. 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.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In March, the average relative humidity in Itanhém is 82%.

Rainfall

In March, in Itanhém, Brazil, the rain falls for 23 days. Throughout March, 100mm (3.94") of precipitation is accumulated. Throughout the year, there are 240.8 rainfall days, and 794mm (31.26") of precipitation is accumulated.

Daylight

The average length of the day in March is 12h and 11min.
On the first day of March, sunrise is at 05:40 and sunset at 18:06. On the last day of the month, sunrise is at 05:47 and sunset at 17:43 -03.

Sunshine

In Itanhém, the average sunshine in March is 6.7h.

UV index

In March, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 6 in March suggests the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.