December weather forecast
Rio dos Bois, Brazil

December, the first month of the summer in Rio dos Bois, is still a hot month, with an average temperature ranging between min 22.2°C (72°F) and max 31.6°C (88.9°F).

Temperature

The transition into December shows a subtle variation to a still tropical 31.6°C (88.9°F) from November's 33°C (91.4°F) in the average high-temperature. An average low-temperature of 22.2°C (72°F) is noted during the nights in December in Rio dos Bois.

Heat index

The heat index in December is appraised at a scorching 43°C (109.4°F). Be cautious: Heat exhaustion along with heat cramps are predicted. Heatstroke is a possible consequence of continuous physical effort.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. 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 highly critical for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The average relative humidity in December is 79%.

Rainfall

In Rio dos Bois, during December, the rain falls for 26.8 days and regularly aggregates up to 143mm (5.63") of precipitation. Throughout the year, there are 213.3 rainfall days, and 1154mm (45.43") of precipitation is accumulated.

Daylight

With an average of 12h and 42min of daylight, December has the longest days of the year in Rio dos Bois, Brazil.
On the first day of the month, sunrise is at 05:44 and sunset at 18:22. On the last day of December, in Rio dos Bois, sunrise is at 05:57 and sunset at 18:37 -03.

Sunshine

In December, the average sunshine is 8.8h.

UV index

The months with the lowest UV index in Rio dos Bois are January through April, October and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 6 suggests these recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.