December weather forecastCampinho, Brazil

Weather in December

The first month of the summer, December, is also a moderately hot month in Campinho, Brazil, with an average temperature varying between 29.1°C (84.4°F) and 23°C (73.4°F).

Temperature

Shifting into December, Campinho records an average high-temperature of a still moderately hot 29.1°C (84.4°F), presenting minor fluctuations compared to the previous month. Throughout December, an average low-temperature of 23°C (73.4°F) is expected.

Heat index

December's mean heat index is estimated at a very hot 35°C (95°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In December, the average relative humidity is 81%.

Rainfall

In December, the rain falls for 18.1 days. Throughout December, 67mm (2.64") of precipitation is accumulated. Throughout the year, there are 172 rainfall days, and 543mm (21.38") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 13h and 30min of daylight.
On the first day of the month, sunrise is at 04:59 and sunset at 18:25. On the last day of December, sunrise is at 05:11 and sunset at 18:42 -03.

Sunshine

In December, the average sunshine is 7.9h.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 in December converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.