December weather forecastXexéu, Brazil

Weather in December

The first month of the summer, December, is still a warm month in Xexéu, Brazil, with temperature in the range of an average low of 21.2°C (70.2°F) and an average high of 29.9°C (85.8°F).

Temperature

Xexéu sees the arrival of December with an average high-temperature of a still warm 29.9°C (85.8°F), indicating a subtle variation from November. Xexéu throughout December, records an average low-temperature of 21.2°C (70.2°F).

Heat index

The heat index value during December is computed to be a sweltering 37°C (98.6°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
For clarity, heat index numbers account for light winds and areas under shade. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The least humid month in Xexéu is December, with an average relative humidity of 77%.

Rainfall

November and December are months with the least rain in Xexéu when the rain falls for 11.3 days and typically aggregates up to 13mm (0.51") of rain.

Daylight

With an average of 12h and 36min of daylight, December has the longest days of the year.
On the first day of December in Xexéu, sunrise is at 04:53 and sunset at 17:29. On the last day of the month, sunrise is at 05:06 and sunset at 17:44 -03.

Sunshine

In Xexéu, Brazil, the average sunshine in December is 7.1h.

UV index

January through May, September through December, with an average maximum UV index of 6, are months with the highest UV index in Xexéu. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.