December weather forecastTenório, Brazil

Weather in December

December, the first month of the summer in Tenório, is still a hot month, with an average temperature varying between 21.9°C (71.4°F) and 32.1°C (89.8°F).

Temperature

The introduction of December sees an average high-temperature of a still hot 32.1°C (89.8°F), hardly deviating from November. December is noted for a mean low-temperature of 21.9°C (71.4°F).

Heat index

December's heat index is evaluated at a fiery hot 38°C (100.4°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. 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. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

In December, the average relative humidity is 62%.

Rainfall

In Tenório, Brazil, in December, during 7.7 rainfall days, 12mm (0.47") of precipitation is typically accumulated. Throughout the year, in Tenório, there are 137.8 rainfall days, and 433mm (17.05") of precipitation is accumulated.

Daylight

December has the longest days of the year in Tenório, Brazil, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:00 and sunset at 17:30. On the last day of December, sunrise is at 05:14 and sunset at 17:45 -03.

Sunshine

In December, the average sunshine is 8.9h.

UV index

January through March, September through December, with an average maximum UV index of 7, are months with the highest UV index in Tenório. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 7 transforms into these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.