December weather forecastSapeaçu, Brazil

Weather in December

The first month of the summer, December, is still a hot month in Sapeaçu, Brazil, with an average temperature ranging between max 31.6°C (88.9°F) and min 21.3°C (70.3°F).

Temperature

Sapeaçu, Brazil, commences December with an average high-temperature of a still hot 31.6°C (88.9°F), maintaining a close resemblance to the previous month. Sapeaçu's nights in December cool down to an average low-temperature of 21.3°C (70.3°F).

Heat index

The heat index in December is computed to be an extremely hot 41°C (105.8°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 17.4 days. Throughout December, 45mm (1.77") of precipitation is accumulated. In Sapeaçu, during the entire year, the rain falls for 243.3 days and collects up to 519mm (20.43") of precipitation.

Daylight

The month with the longest days in Sapeaçu is December, with an average of 12h and 54min of daylight.
On the first day of December, sunrise is at 05:01 and sunset at 17:50. On the last day of the month, sunrise is at 05:14 and sunset at 18:05 -03.

Sunshine

The average sunshine in December is 7.7h.

UV index

January through March and December, with an average maximum UV index of 7, are months with the highest UV index in Sapeaçu, Brazil. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.