December weather forecastIguaba, Brazil

Weather in December

The first month of the summer, December, is still a tropical month in Iguaba, Brazil, with temperature in the range of an average low of 21.3°C (70.3°F) and an average high of 33.2°C (91.8°F).

Temperature

The transition from November to December sees an average high-temperature of a still tropical 33.2°C (91.8°F), indicating a minor variance from the prior month. Iguaba experiences an average nighttime temperature of 21.3°C (70.3°F) in the month of December.

Heat index

The heat index value during December is computed to be a scorching 42°C (107.6°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

In Iguaba, the average relative humidity in December is 64%.

Rainfall

In Iguaba, in December, it is raining for 9.6 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, there are 145.6 rainfall days, and 294mm (11.57") of precipitation is accumulated.

Daylight

The month with the longest days in Iguaba is December, with an average of 12h and 42min of daylight.
On the first day of December in Iguaba, Brazil, sunrise is at 05:00 and sunset at 17:41. On the last day of the month, sunrise is at 05:13 and sunset at 17:56 -03.

Sunshine

In December, the average sunshine is 8h.

UV index

January through March, October through December, with an average maximum UV index of 7, are months with the highest UV index in Iguaba. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 7 during December leads to these advisories:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.