December weather forecastConselheiro Pena, Brazil

Weather in December

The first month of the summer, December, is also a moderately hot month in Conselheiro Pena, Brazil, with an average temperature varying between 19.8°C (67.6°F) and 29.3°C (84.7°F).

Temperature

The advent of December presents an average high-temperature of a still warm 29.3°C (84.7°F), maintaining a close correlation with the preceding month. December witnesses an average low-temperature hovering around a refreshing 19.8°C (67.6°F).

Heat index

The heat index value for December is computed to be a very hot 37°C (98.6°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

April and December, with an average relative humidity of 84%, are the most humid months.

Rainfall

The month with the most rainfall is December, when the rain falls for 18.9 days and typically aggregates up to 121mm (4.76") of precipitation.

Daylight

The month with the longest days in Conselheiro Pena is December, with an average of 13h and 18min of daylight.
On the first day of December in Conselheiro Pena, sunrise is at 04:59 and sunset at 18:11. On the last day of the month, sunrise is at 05:11 and sunset at 18:27 -03.

Sunshine

The average sunshine in December is 7h.

UV index

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.