December weather forecast
Putinga, Brazil

The first month of the summer, December, is still a warm month in Putinga, Brazil, with an average temperature fluctuating between 17.5°C (63.5°F) and 29.2°C (84.6°F).

Temperature

The transition into December is marked with an average high-temperature of a still moderately hot 29.2°C (84.6°F), showing an insignificant shift from November's 26.5°C (79.7°F). Nightly temperatures drop to an average low of 17.5°C (63.5°F) in December.

Heat index

December's average heat index is calculated to be a sweltering 35°C (95°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

With an average relative humidity of 77%, December is the least humid month.

Rainfall

In Putinga, in December, during 16.5 rainfall days, 70mm (2.76") of precipitation is typically accumulated. Throughout the year, there are 169.4 rainfall days, and 977mm (38.46") of precipitation is accumulated.

Daylight

The month with the longest days in Putinga is December, with an average of 14h and 0min of daylight.
On the first day of the month, sunrise is at 05:21 and sunset at 19:13. On the last day of December, sunrise is at 05:33 and sunset at 19:30 -03.

Sunshine

With an average of 8.5h of sunshine, December has the most sunshine of the year.

UV index

January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index in Putinga. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 6 in December transforms into this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.