December weather forecast
Juarina, Brazil

The first month of the summer, December, is also a hot month in Juarina, Brazil, with an average temperature ranging between max 31.6°C (88.9°F) and min 22.2°C (72°F).

Temperature

The advent of December observes an average high-temperature of a still tropical 31.6°C (88.9°F), nearly identical to November's 33°C (91.4°F). The average temperature in Juarina during December nights dips to an agreeable 22.2°C (72°F).

Heat index

The average heat index in December is calculated to be a scorching 43°C (109.4°F). Observe: Heat exhaustion and heat cramps are probable. Heatstroke is on the horizon with prolonged exertion.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In December, the average relative humidity in Juarina is 79%.

Rainfall

In December, the rain falls for 26.8 days. Throughout December, 143mm (5.63") of precipitation is accumulated. Throughout the year, in Juarina, there are 213.3 rainfall days, and 1154mm (45.43") of precipitation is accumulated.

Daylight

December has the longest days of the year in Juarina, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 05:48 and sunset at 18:22. On the last day of December, in Juarina, sunrise is at 06:01 and sunset at 18:37 -03.

Sunshine

The average sunshine in December in Juarina, Brazil, is 8.8h.

UV index

January through April, October 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 risk from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 6 in December leads to these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.