December weather forecast
Barra do Bugres, Brazil

The first month of the summer, December, is still a tropical month in Barra do Bugres, Brazil, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 30.7°C (87.3°F).

Temperature

Barra do Bugres records a slight change with December's average high-temperatures adjusting to a still tropical 30.7°C (87.3°F) from November's 31.8°C (89.2°F). Barra do Bugres's December nights cool down to an average low-temperature of 22°C (71.6°F).

Heat index

The average heat index in December is calculated to be an extremely hot 40°C (104°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Barra do Bugres, during December, the rain falls for 27.5 days and regularly aggregates up to 187mm (7.36") of precipitation. Throughout the year, in Barra do Bugres, there are 208.8 rainfall days, and 1295mm (50.98") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 13h and 0min of daylight.
On the first day of the month, sunrise is at 05:09 and sunset at 18:06. On the last day of December, sunrise is at 05:21 and sunset at 18:22 -04.

Sunshine

In Barra do Bugres, the average sunshine in December is 7.7h.

UV index

The months with the lowest UV index in Barra do Bugres are January through June, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing.