December weather forecastItaporã, Brazil

Weather in December

The first month of the summer, December, is also a hot month in Itaporã, Brazil, with an average temperature ranging between min 21°C (69.8°F) and max 30.8°C (87.4°F).

Temperature

Itaporã, Brazil, measures an average high-temperature of a still tropical 30.8°C (87.4°F) in December, nearly consistent with the preceding month. During December, Itaporã experiences a consistent low-temperature average of 21°C (69.8°F).

Heat index

The heat index for December is calculated to be a blistering 40°C (104°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. 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.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. 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. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Itaporã, the average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 24.1 days. Throughout December, 137mm (5.39") of precipitation is accumulated. Throughout the year, in Itaporã, there are 192.3 rainfall days, and 1062mm (41.81") of precipitation is accumulated.

Daylight

With an average of 13h and 30min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 04:46 and sunset at 18:10. On the last day of the month, sunrise is at 04:58 and sunset at 18:26 -04.

Sunshine

In Itaporã, the average sunshine in December is 9.5h.

UV index

January through April, July through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.