December weather forecast
Santo Antônio dos Prazeres, Brazil

December, the first month of the summer in Santo Antônio dos Prazeres, is also a hot month, with an average temperature varying between 32.2°C (90°F) and 21°C (69.8°F).

Temperature

Santo Antônio dos Prazeres's average high-temperature marks a still tropical 32.2°C (90°F) with the advent of December, closely mirroring that of the preceding month. During December nights, Santo Antônio dos Prazeres records an average temperature of 21°C (69.8°F).

Heat index

During December, the heat index is calculated to be an extremely hot 42°C (107.6°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Consider that heat index readings are for situations in the shade and light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in December is 73%.

Rainfall

In Santo Antônio dos Prazeres, Brazil, in December, it is raining for 15.9 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, there are 224.3 rainfall days, and 452mm (17.8") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 48min of daylight.
On the first day of December in Santo Antônio dos Prazeres, sunrise is at 05:01 and sunset at 17:48. On the last day of the month, sunrise is at 05:13 and sunset at 18:03 -03.

Sunshine

The average sunshine in December in Santo Antônio dos Prazeres is 7.6h.

UV index

The months with the highest UV index in Santo Antônio dos Prazeres are January through March, November and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 7 during December translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.