December weather forecastIlhéus, Brazil

Weather in December

The first month of the summer, December, is also a moderately hot month in Ilhéus, Brazil, with an average temperature ranging between min 22°C (71.6°F) and max 29°C (84.2°F).

Temperature

Ilhéus observes an average high-temperature of a still moderately hot 29°C (84.2°F) in December, barely different from 28°C (82.4°F) in November. Throughout the month of December, Ilhéus reports a steady low-temperature average of 22°C (71.6°F).

Rainfall

In Ilhéus, during December, the rain falls for 21 days and regularly aggregates up to 170mm (6.69") of precipitation. Throughout the year, there are 269 rainfall days, and 1901mm (74.84") of precipitation is accumulated.

Sea temperature

In Ilhéus, the average seawater temperature in December is 27.1°C (80.8°F).
Note: Swimming, diving, and other activities in water temperatures between 25°C (77°F) and 29°C (84.2°F) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.

Daylight

With an average of 13h and 0min of daylight, December has the longest days of the year in Ilhéus.
On the first day of the month, sunrise is at 04:57 and sunset at 17:53. On the last day of December, in Ilhéus, sunrise is at 05:09 and sunset at 18:09 -03.

Sunshine

In December, the average sunshine in Ilhéus is 7h.

UV index

January through March, October through December, with an average maximum UV index of 12, are months with the highest UV index in Ilhéus, Brazil. A UV Index of 11, and more, symbolizes an excessive health risk from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 12 translates into these guidelines:
Employ all critical precautions. Guarding against sun damage is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Sunscreen with an SPF of 30 or higher should be applied generously and frequently reapplied even on cloudy days, especially after each swim or outdoor workout. Notice! Sand and water reflections contribute to a stronger UV exposure.