December weather forecast
São Raimundo das Mangabeiras, Brazil

December, the first month of the summer in São Raimundo das Mangabeiras, is also a hot month, with an average temperature ranging between min 22°C (71.6°F) and max 31.5°C (88.7°F).

Temperature

With the onset of December, a modest change to a still hot 31.5°C (88.7°F) from November's 32.9°C (91.2°F) is noted in high-temperature. São Raimundo das Mangabeiras reports an average nighttime low-temperature of 22°C (71.6°F) in December.

Heat index

December's heat index is evaluated at a blisteringly hot 41°C (105.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Heat index evaluations are typically in the context of light winds and shaded environments. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical 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 are extremely vital to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in December in São Raimundo das Mangabeiras is 75%.

Rainfall

In São Raimundo das Mangabeiras, during December, the rain falls for 24.3 days and regularly aggregates up to 107mm (4.21") of precipitation. Throughout the year, in São Raimundo das Mangabeiras, Brazil, there are 178.4 rainfall days, and 785mm (30.91") of precipitation is accumulated.

Daylight

December has the longest days of the year in São Raimundo das Mangabeiras, with an average of 12h and 30min of daylight.
On the first day of December in São Raimundo das Mangabeiras, Brazil, sunrise is at 05:36 and sunset at 18:06. On the last day of the month, sunrise is at 05:49 and sunset at 18:20 -03.

Sunshine

In December, the average sunshine in São Raimundo das Mangabeiras is 9.4h.

UV index

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 6 in December transforms into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.