December weather forecast
Pitimbu, Brazil

The first month of the summer, December, is still a hot month in Pitimbu, Brazil, with an average temperature ranging between max 30.5°C (86.9°F) and min 23.8°C (74.8°F).

Temperature

December's advent presents an average high-temperature of a still tropical 30.5°C (86.9°F), indicating a slight variation from the conditions of the previous month. During the nights in December, Pitimbu observes an average low-temperature of 23.8°C (74.8°F).

Heat index

During December, the heat index is evaluated at a sweltering 37°C (98.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The months with the lowest humidity are November and December, with an average relative humidity of 72%.

Rainfall

In December, the rain falls for 15.1 days. Throughout December, 20mm (0.79") of precipitation is accumulated. In Pitimbu, during the entire year, the rain falls for 200.7 days and collects up to 437mm (17.2") of precipitation.

Sea temperature

In December, the average sea temperature is 27.7°C (81.9°F).
Note: Water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are warm and delightful, ensuring comfort during water activities over extended periods.

Daylight

December has the longest days of the year, with an average of 12h and 36min of daylight.
On the first day of December, sunrise is at 04:52 and sunset at 17:24. On the last day of the month, sunrise is at 05:05 and sunset at 17:39 -03.

Sunshine

In December, the average sunshine is 7.4h.

UV index

January through April, October through December, with an average maximum UV index of 7, are months with the highest UV index in Pitimbu. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 7 during December leads to these advisories:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.