December weather forecast
Recife, Brazil

Closing the year, December's weather in Recife is characterized by a renewal in rainfall, marking the advent of the wet season. The average rainfall sees a significant rise from November, clocking in at 57mm (2.24"), predicting alternations between sunny and rainy days. The daylight reaches its yearly maximum, illuminating the city for an average of 12.6 hours per day. Decembers’ stable sea temperature further adds to the beach-going allure seen throughout the year. The overall weather pattern promises a warm and inviting Christmas season.

Temperature

During January, February and December, Recife registers its highest temperatures, averaging a high of 30.2°C (86.4°F).

Heat index

The heat index value during December is estimated at a sweltering 37°C (98.6°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. 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.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Recife, in December, during 8 rainfall days, 57mm (2.24") of precipitation is typically accumulated. In Recife, during the entire year, the rain falls for 171 days and collects up to 2418mm (95.2") of precipitation.

Sea temperature

In Recife, the average seawater temperature in December is 27.6°C (81.7°F).
Note: 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.

Daylight

December has the longest days of the year, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 04:51 and sunset at 17:25. On the last day of December, sunrise is at 05:05 and sunset at 17:40 -03.

Sunshine

The average sunshine in December is 8.2h.

UV index

The months with the highest UV index in Recife, Brazil, are January through April, September through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 12 in December leads to these recommendations:
Carry out all important precautions, unprotected skin could get burns in no time. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Be wary! Reflections from sand and water make UV radiation more intense.