December weather forecast
Ocara, Brazil

The first month of the summer, December, is still a tropical month in Ocara, Brazil, with temperature in the range of an average low of 24.6°C (76.3°F) and an average high of 31.9°C (89.4°F).

Temperature

The arrival of December brings an average high-temperature of a still tropical 31.9°C (89.4°F), closely following the temperature pattern of November. December brings with it a nighttime average temperature of 24.6°C (76.3°F) in Ocara, Brazil.

Heat index

During December, the heat index is appraised at a blistering 40°C (104°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The average relative humidity in December is 71%.

Rainfall

In Ocara, in December, it is raining for 13.2 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, in Ocara, there are 183.1 rainfall days, and 511mm (20.12") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:12 and sunset at 17:34. On the last day of December, sunrise is at 05:26 and sunset at 17:49 -03.

Sunshine

In December, the average sunshine is 7.3h.

UV index

The months with the highest UV index in Ocara are January through March, May through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 7 in December leads to these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.