December weather forecast
Maceió, Brazil

englishespañol中文
Share

Weather in December

December brings with it another slight increment in temperature, continuing the city's warm climatic trend. Parallel to this, Maceió sees a surge in rainfall, albeit minimal, measuring 63mm (2.48"). The humidity level rises slightly, accompanying more rain. Sun worshippers are delighted with increased sunshine hours, making tan lines a common sight this month. This, combined with the lurking UV index, certifies December as an ideal month for enjoying the sun-soaked Brazilian coastline, while also witnessing the city transitioning into its rainy season.

Temperature

With the start of December, Maceió measures an average high-temperature of a tropical 30°C (86°F), not significantly differing from November's 29.9°C (85.8°F). Maceió's temperature drops to an average low of 22°C (71.6°F) during the nights of December.

Heat index

For most parts of December, the heat index is evaluated at a sweltering 37°C (98.6°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In Maceió, the average relative humidity in December is 75.8%.

Rainfall

In Maceió, in December, it is raining for 9 days, with typically 63mm (2.48") of accumulated precipitation. In Maceió, during the entire year, the rain falls for 185 days and collects up to 2071mm (81.54") of precipitation.

Sea temperature

In Maceió, in December, the average water temperature is 27.4°C (81.3°F).
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

The month with the longest days is December, with an average of 12h and 42min of daylight.
On the first day of December in Maceió, sunrise is at 04:52 and sunset at 17:31. On the last day of the month, sunrise is at 05:05 and sunset at 17:46 -03.

Sunshine

In Maceió, the average sunshine in December is 8.5h.

UV index

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 12 in December, converts into the following recommendations:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Broad-spectrum SPF 30+ sunscreen must be generously applied and reapplied every two hours or post any outdoor activity or swim. Stay cautious! Sand and water reflections increase UV radiation potency.

Frequently asked questions

How hot is it in Maceió in December?

The high-temperature, in December, in Maceió, records 30°C (86°F), while the low-temperature is 22°C (71.6°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in December is evaluated at 37°C (98.6°F).

What is the average humidity in December in Maceió?

In Maceió, Brazil, the average relative humidity in December is 75.8%.

How many days does it rain in December in Maceió?

In December, in Maceió, the rain falls for 9 days. Throughout December, 63mm (2.48") of precipitation is accumulated.

What is the water temperature in December in Maceió?

In Maceió, in December, the average water temperature is 27.4°C (81.3°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

When are the longest days in Maceió?

The month with the longest days is December, with an average of 12h and 42min of daylight.

How many hours of daylight does Maceió have in December?

The average day length in December in Maceió is 12h and 41min.

When is the sunrise / sunset in December in Maceió?

In December, on the first day of the month, sunrise is at 04:52 and sunset at 17:31. On the last day of the month, in Maceió, Brazil, sunrise is at 05:05 and sunset at 17:46 -03.

How many hours of sunshine does Maceió have in December?

In Maceió, the average sunshine duration in December is 8.5h.

When is the highest UV index in Maceió?

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index in Maceió, Brazil.

What is the UV index intensity in December in Maceió?

The average daily maximum UV index in December in Maceió, Brazil, is 12. A UV Index of 11, and more, symbolizes an ultimate hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Maceió, Brazil

Average temperature in December - Maceió, Brazil
  • Average high temperature in December: 30°C

The warmest month (with the highest average high temperature) is February (30.4°C).
The month with the lowest average high temperature is July (27°C).

  • Average low temperature in December: 22°C

The month with the highest average low temperature is March (22.7°C).
The coldest month (with the lowest average low temperature) is August (20.2°C).

Average humidity in December
Maceió, Brazil

Average humidity in December - Maceió, Brazil
  • Average humidity in December: 75.8%

The month with the highest relative humidity is May (82.6%).
The month with the lowest relative humidity is November (74.7%).

Average rainfall in December
Maceió, Brazil

Average rainfall in December - Maceió, Brazil
  • Average rainfall in December: 62.5mm

The wettest month (with the highest rainfall) is May (382.2mm).
The driest month (with the least rainfall) is November (31.7mm).

Average rainfall days in December
Maceió, Brazil

Average rainfall days in December - Maceió, Brazil
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is June (24 days).
The month with the least rainy days is November (6 days).

Average sea temperature in December
Maceió, Brazil

Average sea temperature in December - Maceió, Brazil
  • Average sea temperature in December: 27.4°C

The best months for swimming (with the highest average sea temperature) are March and April (28.8°C).
The coldest month (with the lowest average sea temperature) is August (26.1°C).

Average daylight in December /
Average sunshine in December
Maceió, Brazil

Average daylight in December / Average sunshine in December - Maceió, Brazil
  • Average daylight in December: 12h and 4min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in December: 8h and 3min

The month with the most sunshine is November (Average sunshine: 9h and 12min).
The month with the least sunshine is July (Average sunshine: 5h and 42min).

Average UV index in December
Maceió, Brazil

Average UV index in December - Maceió, Brazil
  • Average UV index in December: 12

The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 9).

Maceió, Brazil

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location