December weather forecast
Lapão, Brazil

The first month of the summer, December, is still a hot month in Lapão, Brazil, with an average temperature varying between 20.3°C (68.5°F) and 30.5°C (86.9°F).

Temperature

Lapão measures an average high-temperature of a still tropical 30.5°C (86.9°F) in December, nearly consistent with the preceding month. Throughout December, Lapão anticipates an average low-temperature of 20.3°C (68.5°F).

Heat index

During December, the heat index is computed to be a sweltering 35°C (95°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical 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 are essentially critical for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in December is 64%.

Rainfall

In December, the rain falls for 14.6 days. Throughout December, 78mm (3.07") of precipitation is accumulated. Throughout the year, there are 110.5 rainfall days, and 525mm (20.67") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 48min of daylight.
On the first day of the month, sunrise is at 05:14 and sunset at 17:58. On the last day of December, sunrise is at 05:27 and sunset at 18:14 -03.

Sunshine

In Lapão, the average sunshine in December is 10.3h.

UV index

January through August and 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 exposure to the Sun's UV radiation for the average person.
Note: During December, 6 as the daily maximum UV index converts into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. 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.