December weather forecastPacajus, Brazil

Weather in December

The first month of the summer, December, is also a hot month in Pacajus, Brazil, with an average temperature varying between 24.6°C (76.3°F) and 31.9°C (89.4°F).

Temperature

Pacajus ushers in December with an average high-temperature of a still hot 31.9°C (89.4°F), showing a close resemblance to the previous month. Pacajus temperatures generally rest at a low of 24.6°C (76.3°F) during the December nights.

Heat index

Throughout December, the heat index is appraised at an extremely hot 40°C (104°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The average relative humidity in December is 71%.

Rainfall

In Pacajus, Brazil, in December, it is raining for 13.2 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, in Pacajus, Brazil, there are 183.1 rainfall days, and 511mm (20.12") 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 Pacajus, sunrise is at 05:12 and sunset at 17:33. On the last day of the month, sunrise is at 05:26 and sunset at 17:47 -03.

Sunshine

In Pacajus, the average sunshine in December is 7.3h.

UV index

January through March, May through December, with an average maximum UV index of 7, are months with the highest UV index in Pacajus. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 in December converts into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.