December weather forecastLucélia, Brazil

Weather in December

The first month of the summer, December, is still a warm month in Lucélia, Brazil, with an average temperature varying between 29.6°C (85.3°F) and 20.7°C (69.3°F).

Temperature

Lucélia records a slight change with December's average high-temperatures adjusting to a warm 29.6°C (85.3°F) from November's 30.2°C (86.4°F). An average nighttime temperature of 20.7°C (69.3°F) is observed in Lucélia during December.

Heat index

The average heat index in December is appraised at a fiery hot 36°C (96.8°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In Lucélia, the average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 25.5 days. Throughout December, 160mm (6.3") of precipitation is accumulated. In Lucélia, during the entire year, the rain falls for 193.5 days and collects up to 1136mm (44.72") of precipitation.

Daylight

December has the longest days of the year in Lucélia, with an average of 13h and 24min of daylight.
On the first day of the month, sunrise is at 05:32 and sunset at 18:54. On the last day of December, in Lucélia, Brazil, sunrise is at 05:44 and sunset at 19:10 -03.

Sunshine

The average sunshine in December is 7.7h.

UV index

The months with the highest UV index are January through March, July through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 6 in December leads to these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.