December weather forecast
Maracaçumé, Brazil

The first month of the summer, December, is still a tropical month in Maracaçumé, Brazil, with an average temperature fluctuating between 32.5°C (90.5°F) and 22.7°C (72.9°F).

Temperature

The shift from November to December is characterized by an average high-temperature of a still tropical 32.5°C (90.5°F), not significantly different from the 33.3°C (91.9°F) of November. In Maracaçumé, December is marked by an average low-temperature of 22.7°C (72.9°F).

Heat index

December's average heat index is evaluated at a blazing hot 46°C (114.8°F). Take caution: Heat exhaustion and heat cramps are probable. Heatstroke may be imminent with ongoing effort.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in December is 79%.

Rainfall

In Maracaçumé, during December, the rain falls for 23.6 days and regularly aggregates up to 85mm (3.35") of precipitation. Throughout the year, there are 270.4 rainfall days, and 1040mm (40.94") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 12min of daylight.
On the first day of the month, sunrise is at 05:46 and sunset at 18:00. On the last day of December, sunrise is at 05:59 and sunset at 18:14 -03.

Sunshine

The average sunshine in December is 6.6h.

UV index

January through August, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Maracaçumé. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 6 in December suggests the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.