December weather forecast
Restinga Seca, Brazil

The first month of the summer, December, is a hot month in Restinga Seca, Brazil, with an average temperature fluctuating between 30.1°C (86.2°F) and 18°C (64.4°F).

Temperature

The arrival of December marks a slight shift to an average high-temperature of a hot 30.1°C (86.2°F) from November's 27.5°C (81.5°F). Restinga Seca experiences a dramatic descent in temperature during December, with the average nighttime reading settling at a comfortable 18°C (64.4°F).

Heat index

Throughout December, the heat index is appraised at a sweltering 35°C (95°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The least humid month in Restinga Seca, Brazil, is December, with an average relative humidity of 70%.

Rainfall

In December, in Restinga Seca, the rain falls for 14.2 days. Throughout December, 78mm (3.07") of precipitation is accumulated. In Restinga Seca, during the entire year, the rain falls for 146.4 days and collects up to 974mm (38.35") of precipitation.

Daylight

With an average of 14h and 0min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:24 and sunset at 19:20. On the last day of the month, sunrise is at 05:35 and sunset at 19:37 -03.

Sunshine

The month with the most sunshine is December, with an average of 8.7h of sunshine.

UV index

The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during December leads to these instructions:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.