December weather forecast
Brejo Grande, Brazil

The first month of the summer, December, is also a hot month in Brejo Grande, Brazil, with an average temperature fluctuating between 31.2°C (88.2°F) and 23.4°C (74.1°F).

Temperature

Brejo Grande experiences a recorded average high-temperature of a still hot 31.2°C (88.2°F) in December, closely aligned with November's 30.9°C (87.6°F). In December, the temperature drops to an average of 23.4°C (74.1°F) at night.

Heat index

For most parts of December, the heat index is calculated to be a torrid 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. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

With an average relative humidity of 71%, December is the least humid month in Brejo Grande.

Rainfall

In December, in Brejo Grande, Brazil, the rain falls for 11.9 days. Throughout December, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Brejo Grande, there are 222.9 rainfall days, and 509mm (20.04") of precipitation is accumulated.

Daylight

With an average of 12h and 42min of daylight, December has the longest days of the year in Brejo Grande.
On the first day of December, sunrise is at 04:54 and sunset at 17:35. On the last day of the month, sunrise is at 05:07 and sunset at 17:50 -03.

Sunshine

The average sunshine in December in Brejo Grande is 8.3h.

UV index

The months with the highest UV index in Brejo Grande are January through March, October through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 7 in December leads to these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.