December weather forecastCajobi, Brazil

Weather in December

December, the first month of the summer in Cajobi, is also a moderately hot month, with an average temperature ranging between min 20.8°C (69.4°F) and max 29.4°C (84.9°F).

Temperature

As November transitions into December, the average high-temperature rests at a still moderately hot 29.4°C (84.9°F), maintaining a close resemblance to the previous month. Throughout December, an average low-temperature of 20.8°C (69.4°F) is experienced.

Heat index

In December, the average heat index is computed to be a fiery hot 36°C (96.8°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Cajobi, the average relative humidity in December is 82%.

Rainfall

In Cajobi, during December, the rain falls for 28.5 days and regularly aggregates up to 194mm (7.64") of precipitation. In Cajobi, during the entire year, the rain falls for 210.1 days and collects up to 1237mm (48.7") of precipitation.

Daylight

With an average of 13h and 24min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:25 and sunset at 18:43. On the last day of the month, sunrise is at 05:37 and sunset at 18:59 -03.

Sunshine

The average sunshine in December in Cajobi is 7.7h.

UV index

January, March through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 6 in December leads to these recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.