December weather forecast
Floraí, Brazil

December, the first month of the summer in Floraí, is also a moderately hot month, with an average temperature ranging between max 29.8°C (85.6°F) and min 20.6°C (69.1°F).

Temperature

In the transition from November to December, Floraí reports an average high-temperature of a moderately hot 29.8°C (85.6°F), indicating a close resemblance to the prior month. Floraí, in December, experiences an average temperature of 20.6°C (69.1°F) at night.

Heat index

December's heat index is estimated at a torrid 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. 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 especially vital to children. 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.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Floraí, in December, it is raining for 24.7 days, with typically 173mm (6.81") of accumulated precipitation. Throughout the year, there are 188.5 rainfall days, and 1243mm (48.94") of precipitation is accumulated.

Daylight

With an average of 13h and 30min of daylight, December has the longest days of the year in Floraí.
On the first day of December, sunrise is at 05:34 and sunset at 19:02. On the last day of the month, sunrise is at 05:46 and sunset at 19:18 -03.

Sunshine

In December, the average sunshine in Floraí 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. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.