December weather forecastDracena, Brazil

Weather in December

The first month of the summer, December, is still a hot month in Dracena, Brazil, with an average temperature varying between 30.8°C (87.4°F) and 22.2°C (72°F).

Temperature

Transitioning into December, Dracena records an average high-temperature of a still tropical 30.8°C (87.4°F), almost identical to November's 31.4°C (88.5°F). The average low-temperature of 22.2°C (72°F) is witnessed during December.

Heat index

December's average heat index is calculated to be a very hot 39°C (102.2°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. 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 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In Dracena, Brazil, the average relative humidity in December is 76%.

Rainfall

In December, the rain falls for 24.5 days. Throughout December, 162mm (6.38") of precipitation is accumulated. In Dracena, during the entire year, the rain falls for 189.5 days and collects up to 1170mm (46.06") of precipitation.

Daylight

The month with the longest days is December, with an average of 13h and 24min of daylight.
On the first day of the month, sunrise is at 05:34 and sunset at 18:55. On the last day of December, sunrise is at 05:46 and sunset at 19:12 -03.

Sunshine

In December, the average sunshine is 7.8h.

UV index

In Dracena, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in December transforms into the following instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.