December weather forecastGraça, Brazil

Weather in December

December, the first month of the summer in Graça, is still a tropical month, with an average temperature varying between 21.8°C (71.2°F) and 32.4°C (90.3°F).

Temperature

As Graça welcomes December, the average high-temperature is noted at a still tropical 32.4°C (90.3°F), closely aligning with the preceding month. In Graça, the nighttime temperature averages to an agreeable 21.8°C (71.2°F) during December.

Heat index

The heat index value for December is estimated at a sweltering 39°C (102.2°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. 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 hold great significance to children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The average relative humidity in December in Graça is 64%.

Rainfall

In Graça, during December, the rain falls for 13.3 days and regularly aggregates up to 53mm (2.09") of precipitation. Throughout the year, there are 200 rainfall days, and 1065mm (41.93") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 24min of daylight.
On the first day of December in Graça, sunrise is at 05:22 and sunset at 17:42. On the last day of the month, sunrise is at 05:35 and sunset at 17:56 -03.

Sunshine

The average sunshine in December is 8.2h.

UV index

July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 7 during December morphs into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.