December weather forecast
Santa Cecília do Pavão, Brazil

The first month of the summer, December, is still a warm month in Santa Cecília do Pavão, Brazil, with temperature in the range of an average high of 29.4°C (84.9°F) and an average low of 19.5°C (67.1°F).

Temperature

With the onset of December, the average high-temperature stands at a still moderately hot 29.4°C (84.9°F), closely aligned with November's 29.5°C (85.1°F). In Santa Cecília do Pavão, the average low-temperature during the month of December is a refreshing 19.5°C (67.1°F).

Heat index

During December, the heat index is appraised at a sweltering 36°C (96.8°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Santa Cecília do Pavão, in December, during 25.1 rainfall days, 139mm (5.47") of precipitation is typically accumulated. Throughout the year, there are 202.5 rainfall days, and 1195mm (47.05") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 13h and 36min of daylight.
On the first day of the month, sunrise is at 05:27 and sunset at 18:56. On the last day of December, in Santa Cecília do Pavão, sunrise is at 05:39 and sunset at 19:13 -03.

Sunshine

In December, the average sunshine in Santa Cecília do Pavão is 7.9h.

UV index

April through July and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, a daily maximum UV index of 5 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.