December weather forecast
Cacaulândia, Brazil

December, the first month of the summer in Cacaulândia, is still a warm month, with an average temperature fluctuating between 29.5°C (85.1°F) and 22.3°C (72.1°F).

Temperature

Entering December, Cacaulândia's average high-temperature reads a warm 29.5°C (85.1°F), indicating a close resemblance to the previous month's climate. During the month of December, an average temperature of 22.3°C (72.1°F) is noted during the nights in Cacaulândia.

Heat index

Throughout December, the heat index is appraised at a fiery hot 38°C (100.4°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to 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.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In Cacaulândia, the average relative humidity in December is 88%.

Rainfall

In Cacaulândia, in December, it is raining for 28.4 days, with typically 210mm (8.27") of accumulated precipitation. In Cacaulândia, during the entire year, the rain falls for 237.4 days and collects up to 1523mm (59.96") of precipitation.

Daylight

December has the longest days of the year, with an average of 12h and 42min of daylight.
On the first day of December, sunrise is at 05:40 and sunset at 18:21. On the last day of the month, sunrise is at 05:53 and sunset at 18:36 -04.

Sunshine

In Cacaulândia, the average sunshine in December is 6.6h.

UV index

The months with the lowest UV index in Cacaulândia are January through June, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the UV index of 6 transforms into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.