December weather forecast
Prata do Piauí, Brazil

The first month of the summer, December, is still a tropical month in Prata do Piauí, Brazil, with an average temperature fluctuating between 23.9°C (75°F) and 33.8°C (92.8°F).

Temperature

Prata do Piauí records an average high-temperature of a tropical 33.8°C (92.8°F) as December arrives, nearly mirroring the previous month's climate. In Prata do Piauí, the average low-temperature during the month of December is a warm 23.9°C (75°F).

Heat index

December's average heat index is evaluated at an extremely hot 43°C (109.4°F). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. 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 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In December, the average relative humidity is 64%.

Rainfall

In Prata do Piauí, during December, the rain falls for 20 days and regularly aggregates up to 124mm (4.88") of precipitation. Throughout the year, there are 220.8 rainfall days, and 1560mm (61.42") of precipitation is accumulated.

Daylight

December has the longest days of the year in Prata do Piauí, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:25 and sunset at 17:50. On the last day of December, sunrise is at 05:38 and sunset at 18:05 -03.

Sunshine

In Prata do Piauí, Brazil, the average sunshine in December is 8.4h.

UV index

In Prata do Piauí, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 7 transforms into these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.