December weather forecastCaatiba, Brazil

Weather in December

December, the first month of the summer in Caatiba, is still a warm month, with an average temperature varying between 19.1°C (66.4°F) and 28.8°C (83.8°F).

Temperature

Caatiba, Brazil, in December witnesses an average high-temperature of a still warm 28.8°C (83.8°F), indicating a slight variation from November's 28°C (82.4°F). Throughout the month of December, the average temperature in Caatiba dips to a comfortable 19.1°C (66.4°F) at night.

Heat index

The heat index in December is computed to be a very hot 35°C (95°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in December in Caatiba is 84%.

Rainfall

In December, in Caatiba, the rain falls for 17.3 days. Throughout December, 81mm (3.19") of precipitation is accumulated. Throughout the year, in Caatiba, there are 209.2 rainfall days, and 561mm (22.09") of precipitation is accumulated.

Daylight

The month with the longest days in Caatiba, Brazil, is December, with an average of 13h and 0min of daylight.
On the first day of December in Caatiba, sunrise is at 05:02 and sunset at 17:59. On the last day of the month, sunrise is at 05:14 and sunset at 18:14 -03.

Sunshine

In Caatiba, the average sunshine in December is 8h.

UV index

The months with the highest UV index are January through April, August through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. 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. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.