December weather forecastJales, Brazil

Weather in December

The first month of the summer, December, is still a tropical month in Jales, Brazil, with an average temperature fluctuating between 30.2°C (86.4°F) and 21.7°C (71.1°F).

Temperature

As November turns into December, the average high-temperatures rest at a still tropical 30.2°C (86.4°F), showing a minor variation from the prior month. Nighttime temperatures consistently average a pleasant 21.7°C (71.1°F) during December.

Heat index

For December, the heat index is appraised at a sweltering 38°C (100.4°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Jales, in December, it is raining for 28.5 days, with typically 201mm (7.91") of accumulated precipitation. In Jales, during the entire year, the rain falls for 209.8 days and collects up to 1277mm (50.28") of precipitation.

Daylight

The month with the longest days in Jales is December, with an average of 13h and 18min of daylight.
On the first day of December, sunrise is at 05:33 and sunset at 18:49. On the last day of the month, sunrise is at 05:45 and sunset at 19:05 -03.

Sunshine

The average sunshine in December is 7.7h.

UV index

The months with the lowest UV index in Jales are January through July, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, the UV index of 6 transforms into the following advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. 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. Experience reduced UV exposure by about half when donning a wide-brim hat.