December weather forecastPropriá, Brazil

Weather in December

December, the first month of the summer in Propriá, is also a hot month, with temperature in the range of an average high of 31.2°C (88.2°F) and an average low of 23.4°C (74.1°F).

Temperature

Propriá's weather in December indicates an average high-temperature of a still tropical 31.2°C (88.2°F), nearly consistent with the 30.9°C (87.6°F) of November. Propriá's nighttime temperature during December is consistently averaged at a warm 23.4°C (74.1°F).

Heat index

Throughout December, the heat index is calculated to be a sweltering 38°C (100.4°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. 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. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The least humid month is December, with an average relative humidity of 71%.

Rainfall

In Propriá, in December, during 11.9 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 222.9 rainfall days, and 509mm (20.04") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 42min of daylight.
On the first day of the month, sunrise is at 04:56 and sunset at 17:36. On the last day of December, in Propriá, sunrise is at 05:09 and sunset at 17:51 -03.

Sunshine

In Propriá, the average sunshine in December is 8.3h.

UV index

The months with the highest UV index are January through March, October through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 7 in December leads to these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.