December weather forecastSatuba, Brazil

Weather in December

The first month of the summer, December, is a hot month in Satuba, Brazil, with an average temperature ranging between max 30.2°C (86.4°F) and min 23.2°C (73.8°F).

Temperature

The commencement of December brings an average high-temperature of a tropical 30.2°C (86.4°F), marking an inconsequential divergence from November. Satuba reports an average low-temperature of 23.2°C (73.8°F) during the nights of December.

Heat index

Throughout December, the heat index is calculated to be a fiery hot 37°C (98.6°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

March and December, with an average relative humidity of 74%, are the least humid months in Satuba, Brazil.

Rainfall

In Satuba, in December, during 17.2 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Satuba, during the entire year, the rain falls for 256.6 days and collects up to 686mm (27.01") of precipitation.

Daylight

The month with the longest days in Satuba is December, with an average of 12h and 42min of daylight.
On the first day of the month, sunrise is at 04:53 and sunset at 17:31. On the last day of December, in Satuba, sunrise is at 05:06 and sunset at 17:46 -03.

Sunshine

In December, the average sunshine is 7.9h.

UV index

January through March, October through December, with an average maximum UV index of 7, are months with the highest UV index in Satuba. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 during December translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.