December weather forecast
Coroados, Brazil

The first month of the summer, December, is also a hot month in Coroados, Brazil, with an average temperature varying between 30.1°C (86.2°F) and 21.4°C (70.5°F).

Temperature

Coroados experiences a transition to a still hot 30.1°C (86.2°F) in average high-temperatures with the arrival of December, not greatly differing from November's 30.5°C (86.9°F). During December, Coroados observes a consistent average nighttime temperature of 21.4°C (70.5°F).

Heat index

December's heat index is evaluated at a very hot 38°C (100.4°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Coroados, the average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 25.2 days. Throughout December, 176mm (6.93") of precipitation is accumulated. Throughout the year, there are 194.5 rainfall days, and 1131mm (44.53") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 13h and 24min of daylight.
On the first day of the month, sunrise is at 05:30 and sunset at 18:50. On the last day of December, sunrise is at 05:42 and sunset at 19:06 -03.

Sunshine

The average sunshine in December is 7.7h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index in Coroados. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during December leads to these instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.