December weather forecast
Itaúna do Sul, Brazil

December, the first month of the summer in Itaúna do Sul, is also a moderately hot month, with an average temperature fluctuating between 20.6°C (69.1°F) and 29.8°C (85.6°F).

Temperature

Itaúna do Sul experiences an average high-temperature of a warm 29.8°C (85.6°F) in December, subtly different from November's 30°C (86°F). Throughout December, Itaúna do Sul experiences a low-temperature average of 20.6°C (69.1°F).

Heat index

For most parts of December, the heat index is appraised at a torrid 37°C (98.6°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Itaúna do Sul, in December, it is raining for 24.7 days, with typically 173mm (6.81") of accumulated precipitation. In Itaúna do Sul, during the entire year, the rain falls for 188.5 days and collects up to 1243mm (48.94") of precipitation.

Daylight

December has the longest days of the year, with an average of 13h and 30min of daylight.
On the first day of December, sunrise is at 05:37 and sunset at 19:03. On the last day of the month, sunrise is at 05:49 and sunset at 19:19 -03.

Sunshine

In December, the average sunshine is 8h.

UV index

January through March, August through December, with an average maximum UV index of 6, are months with the highest UV index in Itaúna do Sul. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 6 in December translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.