December weather forecast
Igarapé-Açu, Brazil

December, the first month of the summer in Igarapé-Açu, is still a tropical month, with an average temperature varying between 32°C (89.6°F) and 23°C (73.4°F).

Temperature

Igarapé-Açu's weather in December, with an average high-temperature of a still hot 32°C (89.6°F), subtly shifts from November's 33.5°C (92.3°F). December in Igarapé-Açu is noted for a mean low-temperature of 23°C (73.4°F).

Heat index

The heat index value for December is evaluated at a blisteringly hot 44°C (111.2°F). Remain cautious: Heat cramps along with heat exhaustion are foreseeable. Ongoing activity may precipitate heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Igarapé-Açu, in December, it is raining for 28.2 days, with typically 142mm (5.59") of accumulated precipitation. In Igarapé-Açu, during the entire year, the rain falls for 332.9 days and collects up to 1589mm (62.56") of precipitation.

Daylight

The month with the longest days in Igarapé-Açu is December, with an average of 12h and 12min of daylight.
On the first day of December in Igarapé-Açu, Brazil, sunrise is at 05:54 and sunset at 18:05. On the last day of the month, sunrise is at 06:08 and sunset at 18:19 -03.

Sunshine

In December, the average sunshine is 7h.

UV index

The months with the lowest UV index are January through April, June, August and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 during December translates into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.