December weather forecastBraúna, Brazil

Weather in December

The first month of the summer, December, is still a tropical month in Braúna, Brazil, with an average temperature varying between 21.4°C (70.5°F) and 30.1°C (86.2°F).

Temperature

The advent of December reveals an average high-temperature of a still tropical 30.1°C (86.2°F), showing minimal difference from the prior month. During December, Braúna observes a consistent average nighttime temperature of 21.4°C (70.5°F).

Heat index

December's mean heat index is evaluated at a fiery hot 38°C (100.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Consider that heat index readings are for situations in the shade and light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
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. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

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

Rainfall

In Braúna, in December, during 25.2 rainfall days, 176mm (6.93") of precipitation is typically accumulated. In Braúna, during the entire year, the rain falls for 194.5 days and collects up to 1131mm (44.53") of precipitation.

Daylight

With an average of 13h and 24min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:30 and sunset at 18:51. On the last day of the month, sunrise is at 05:41 and sunset at 19:07 -03.

Sunshine

In Braúna, the average sunshine in December is 7.7h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index in Braúna, Brazil. The months with the lowest UV index in Braúna, Brazil, are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.