December weather forecastPacujá, Brazil

Weather in December

December, the first month of the summer in Pacujá, is also a hot month, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 32.4°C (90.3°F).

Temperature

The advent of December sees the average high-temperature at a still hot 32.4°C (90.3°F), subtly shifted from November's 33.5°C (92.3°F). The nights of December in Pacujá anticipate an average low-temperature of 21.8°C (71.2°F).

Heat index

December's heat index is calculated to be a very hot 39°C (102.2°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in December is 64%.

Rainfall

In Pacujá, in December, during 13.3 rainfall days, 53mm (2.09") of precipitation is typically accumulated. Throughout the year, there are 200 rainfall days, and 1065mm (41.93") of precipitation is accumulated.

Daylight

December has the longest days of the year in Pacujá, Brazil, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:21 and sunset at 17:42. On the last day of December, in Pacujá, sunrise is at 05:35 and sunset at 17:56 -03.

Sunshine

In December, the average sunshine in Pacujá is 8.2h.

UV index

The months with the highest UV index are July through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.