Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Macaé, Brazil

Sea temperature

In Macaé, Brazil, in December, the average water temperature is 24.1°C (75.4°F).
Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.1°C (75.4°F).


December has the longest days of the year, with an average of 13.5h of daylight.

How warm is the water in December in Macaé?

In December, the average sea temperature in Macaé is 24.1°C (75.4°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.1°C (75.4°F) water may be enjoyable.

When are the longest days in Macaé?

The month with the longest days in Macaé, Brazil, is December, with an average of 13.5h of daylight.

How many hours of daylight does Macaé have in December?

In Macaé, the average length of the day in December is 13.5h.
Average sea temperature in December - Macaé, Brazil
  • Average sea temperature in December: 24.1°C

The best month for swimming (with the highest average sea temperature) is March (25.7°C).
The coldest month (with the lowest average sea temperature) is September (22.2°C).

Average daylight in December - Macaé, Brazil
  • Average daylight in December: 13.5h

The month with the longest days is December (Average daylight: 13.5h).
The month with shortest days is June (Average daylight: 10.8h).