December weather forecast
Ubarana, Brazil

The first month of the summer, December, is still a warm month in Ubarana, Brazil, with an average temperature fluctuating between 21.2°C (70.2°F) and 29.8°C (85.6°F).

Temperature

December's presence marks an average high-temperature of a moderately hot 29.8°C (85.6°F), subtly varied from November's 30°C (86°F). Ubarana, during December, witnesses an average low-temperature of 21.2°C (70.2°F).

Heat index

The heat index value during December is computed to be a very hot 37°C (98.6°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In December, the average relative humidity in Ubarana is 81%.

Rainfall

In Ubarana, Brazil, during December, the rain falls for 28.5 days and regularly aggregates up to 201mm (7.91") of precipitation. In Ubarana, during the entire year, the rain falls for 208.9 days and collects up to 1257mm (49.49") of precipitation.

Daylight

With an average of 13h and 24min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:28 and sunset at 18:48. On the last day of December, sunrise is at 05:40 and sunset at 19:04 -03.

Sunshine

In December, the average sunshine is 7.6h.

UV index

The months with the highest UV index in Ubarana, Brazil, are January, March through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during December translates into these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.