December weather forecast
Coronel João Pessoa, Brazil

December, the first month of the summer in Coronel João Pessoa, is still a hot month, with temperature in the range of an average low of 24.4°C (75.9°F) and an average high of 34.6°C (94.3°F).

Temperature

Upon the onset of December, Coronel João Pessoa witnesses an average high-temperature of a tropical 34.6°C (94.3°F), showing a close resemblance to the prior month. In December, the temperature in Coronel João Pessoa drops to an average of 24.4°C (75.9°F) at night.

Heat index

During December, the heat index is estimated at a blisteringly hot 40°C (104°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In December, the average relative humidity in Coronel João Pessoa is 52%.

Rainfall

In Coronel João Pessoa, in December, it is raining for 12.9 days, with typically 33mm (1.3") of accumulated precipitation. In Coronel João Pessoa, during the entire year, the rain falls for 170 days and collects up to 742mm (29.21") of precipitation.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of December, sunrise is at 05:09 and sunset at 17:36. On the last day of the month, sunrise is at 05:22 and sunset at 17:51 -03.

Sunshine

The average sunshine in December in Coronel João Pessoa is 8.8h.

UV index

The months with the highest UV index are January, March, April, July through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.