December weather forecast
Cocal dos Alves, Brazil

The first month of the summer, December, is still a tropical month in Cocal dos Alves, Brazil, with an average temperature ranging between min 22.6°C (72.7°F) and max 33°C (91.4°F).

Temperature

As Cocal dos Alves welcomes December, the average high-temperature stabilizes at a still tropical 33°C (91.4°F), showing little deviation from November's 34.2°C (93.6°F). December nights observe an average temperature dip to a pleasant 22.6°C (72.7°F).

Heat index

In December, the heat index is evaluated at a blisteringly hot 42°C (107.6°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in December is 66%.

Rainfall

In Cocal dos Alves, during December, the rain falls for 15.2 days and regularly aggregates up to 56mm (2.2") of precipitation. In Cocal dos Alves, during the entire year, the rain falls for 206 days and collects up to 1061mm (41.77") of precipitation.

Daylight

With an average of 12h and 18min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:25 and sunset at 17:44. On the last day of the month, sunrise is at 05:39 and sunset at 17:58 -03.

Sunshine

In Cocal dos Alves, Brazil, the average sunshine in December is 8.6h.

UV index

July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In December, the UV index of 7 transforms into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.