December weather forecastQuatá, Brazil

Weather in December

The first month of the summer, December, is still a warm month in Quatá, Brazil, with an average temperature varying between 20.1°C (68.2°F) and 29°C (84.2°F).

Temperature

The transition from November to December brings an average high-temperature of a still warm 29°C (84.2°F), barely different from November's 29.4°C (84.9°F). Throughout December nights, Quatá registers an average low-temperature of 20.1°C (68.2°F).

Heat index

The heat index for December is estimated at a torrid 35°C (95°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important 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.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In December, the average relative humidity in Quatá is 81%.

Rainfall

In Quatá, in December, during 23.5 rainfall days, 111mm (4.37") of precipitation is typically accumulated. Throughout the year, there are 183.1 rainfall days, and 914mm (35.98") of precipitation is accumulated.

Daylight

With an average of 13h and 30min of daylight, December has the longest days of the year in Quatá.
On the first day of the month, sunrise is at 05:30 and sunset at 18:54. On the last day of December, in Quatá, sunrise is at 05:41 and sunset at 19:10 -03.

Sunshine

In December, the average sunshine in Quatá is 7.6h.

UV index

The months with the highest UV index are January through March, August through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 6 during December translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.