December weather forecastPalmeira dos Índios, Brazil

Weather in December

December, the first month of the summer in Palmeira dos Índios, is still a tropical month, with an average temperature fluctuating between 31.5°C (88.7°F) and 20.5°C (68.9°F).

Temperature

In the transition from November to December, Palmeira dos Índios reports an average high-temperature of a still hot 31.5°C (88.7°F), indicating a close resemblance to the prior month. In December, Palmeira dos Índios experiences a temperature dip to an average of 20.5°C (68.9°F) at night.

Heat index

For December, the heat index is estimated at a very hot 39°C (102.2°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

December is the least humid month in Palmeira dos Índios, with an average relative humidity of 71%.

Rainfall

In Palmeira dos Índios, during December, the rain falls for 11.7 days and regularly aggregates up to 25mm (0.98") of precipitation. In Palmeira dos Índios, during the entire year, the rain falls for 206.4 days and collects up to 395mm (15.55") of precipitation.

Daylight

With an average of 12h and 42min of daylight, December has the longest days of the year in Palmeira dos Índios.
On the first day of December, sunrise is at 04:56 and sunset at 17:34. On the last day of the month, sunrise is at 05:09 and sunset at 17:49 -03.

Sunshine

In Palmeira dos Índios, the average sunshine in December is 8.2h.

UV index

In December, the average daily maximum UV index in Palmeira dos Índios, Brazil, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.