December weather forecast
Pinhal Grande, Brazil

December, the first month of the summer in Pinhal Grande, is a hot month, with temperature in the range of an average high of 30.1°C (86.2°F) and an average low of 18°C (64.4°F).

Temperature

The ushering in of December brings an average high-temperature of a hot 30.1°C (86.2°F), closely mirroring the 27.5°C (81.5°F) of November. Nightly average temperatures in December reveal a significant dip from daytime highs, registering a consistent an enjoyable 18°C (64.4°F).

Heat index

The heat index in December is estimated at a torrid 35°C (95°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
For clarity, heat index numbers account for light winds and areas under shade. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 highly critical to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

With an average relative humidity of 70%, December is the least humid month in Pinhal Grande.

Rainfall

In December, in Pinhal Grande, the rain falls for 14.2 days. Throughout December, 78mm (3.07") of precipitation is accumulated. Throughout the year, in Pinhal Grande, there are 146.4 rainfall days, and 974mm (38.35") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 14h and 0min of daylight.
On the first day of December, sunrise is at 05:25 and sunset at 19:19. On the last day of the month, sunrise is at 05:36 and sunset at 19:36 -03.

Sunshine

With an average of 8.7h of sunshine, December has the most sunshine of the year.

UV index

In Pinhal Grande, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 6 in December transforms into this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.