December weather forecastArauá, Brazil

Weather in December

December, the first month of the summer in Arauá, is still a hot month, with an average temperature ranging between max 31.1°C (88°F) and min 23.2°C (73.8°F).

Temperature

Arauá in December witnesses an average high-temperature of a still tropical 31.1°C (88°F), indicating a slight variation from November's 30.3°C (86.5°F). During December, the average low-temperature is a moderately hot 23.2°C (73.8°F).

Heat index

December's average heat index is appraised at a fiery hot 39°C (102.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In December, the average relative humidity is 74%.

Rainfall

In Arauá, in December, it is raining for 12 days, with typically 24mm (0.94") of accumulated precipitation. In Arauá, during the entire year, the rain falls for 203.7 days and collects up to 514mm (20.24") of precipitation.

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 04:57 and sunset at 17:41. On the last day of December, sunrise is at 05:10 and sunset at 17:56 -03.

Sunshine

In December, the average sunshine in Arauá is 7.9h.

UV index

January through April, October through December, with an average maximum UV index of 7, are months with the highest UV index in Arauá, Brazil. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 7 during December morphs into the following directions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.