December weather forecast
Várzea do Poço, Brazil

The first month of the summer, December, is still a tropical month in Várzea do Poço, Brazil, with temperature in the range of an average low of 19.2°C (66.6°F) and an average high of 30.2°C (86.4°F).

Temperature

Várzea do Poço's December experiences a high-temperature average of a still tropical 30.2°C (86.4°F), matching the temperature of November. Várzea do Poço experiences an average temperature drop to a refreshing 19.2°C (66.6°F) during December nights.

Heat index

For most parts of December, the heat index is calculated to be a very hot 36°C (96.8°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. 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 extremely significant for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Várzea do Poço, Brazil, the average relative humidity in December is 71%.

Rainfall

In Várzea do Poço, during December, the rain falls for 16.9 days and regularly aggregates up to 68mm (2.68") of precipitation. Throughout the year, in Várzea do Poço, there are 210.8 rainfall days, and 521mm (20.51") of precipitation is accumulated.

Daylight

With an average of 12h and 48min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:07 and sunset at 17:53. On the last day of the month, sunrise is at 05:20 and sunset at 18:08 -03.

Sunshine

The average sunshine in December in Várzea do Poço, Brazil, is 7.8h.

UV index

January through April, September through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 6 transforms into these recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.