December weather forecast
Ribas do Rio Pardo, Brazil

The first month of the summer, December, is also a moderately hot month in Ribas do Rio Pardo, Brazil, with an average temperature varying between 29.7°C (85.5°F) and 21.5°C (70.7°F).

Temperature

In December, Ribas do Rio Pardo notes an average high-temperature of a moderately hot 29.7°C (85.5°F), hardly different from the preceding month. In December, the average low-temperature in Ribas do Rio Pardo records at a pleasant 21.5°C (70.7°F) during the nights.

Heat index

December's mean heat index is appraised at a sweltering 36°C (96.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. 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. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

In Ribas do Rio Pardo, the average relative humidity in December is 78%.

Rainfall

The month with the most rainfall in Ribas do Rio Pardo is December, when the rain falls for 24.5 days and typically aggregates up to 138mm (5.43") of precipitation.

Daylight

The month with the longest days in Ribas do Rio Pardo is December, with an average of 13h and 18min of daylight.
On the first day of December in Ribas do Rio Pardo, sunrise is at 04:45 and sunset at 18:02. On the last day of the month, sunrise is at 04:57 and sunset at 18:18 -04.

Sunshine

In Ribas do Rio Pardo, the average sunshine in December is 9.5h.

UV index

In Ribas do Rio Pardo, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during December translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.