December weather forecast
Brejinho, Brazil

December, the first month of the summer in Brejinho, is still a tropical month, with an average temperature fluctuating between 22.5°C (72.5°F) and 33.8°C (92.8°F).

Temperature

Brejinho's shift into December is marked by a subtle change to a still tropical 33.8°C (92.8°F) from November's 34.4°C (93.9°F) in temperature. Throughout December, the temperature falls to an average low of 22.5°C (72.5°F).

Heat index

For December, the heat index is computed to be an extremely hot 40°C (104°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in December in Brejinho is 55%.

Rainfall

In Brejinho, in December, during 9.6 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Brejinho, during the entire year, the rain falls for 126.4 days and collects up to 401mm (15.79") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of December in Brejinho, sunrise is at 05:02 and sunset at 17:34. On the last day of the month, sunrise is at 05:16 and sunset at 17:48 -03.

Sunshine

In December, the average sunshine in Brejinho is 9.3h.

UV index

The months with the highest UV index are January through March, August through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.