December weather forecast
Paraty, Brazil

December in Paraty, Brazil, greets the peak of summer. Bringing back the familiar tropical temperatures, warm days and nights carry a consistent rhythm throughout the month. Notably, December marks the highest rainfall, reaching 254mm (10"), contributing to the robust greenery of the city. In spite of increased rain, the extended daylight hours ensure plenty of time for activities in the sunny outdoors.

Temperature

The transition from November to December sees average high-temperatures adjusting to a still warm 28°C (82.4°F), from a not significantly different 27°C (80.6°F). In December, in Paraty, Brazil, the average low-temperature is a comfortable 18°C (64.4°F).

Rainfall

In Paraty, during December, the rain falls for 20 days and regularly aggregates up to 254mm (10") of precipitation. Throughout the year, there are 165 rainfall days, and 1848mm (72.76") of precipitation is accumulated.

Sea temperature

In Paraty, the average seawater temperature in December is 24.4°C (75.9°F).
Note: Swimming in 24.4°C (75.9°F) water can be enjoyable based on one's cold tolerance and conditions like sunshine, wind, and ambient temperature. (Olympic swimmers compete in waters between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The month with the longest days in Paraty is December, with an average of 13h and 30min of daylight.
On the first day of the month, sunrise is at 05:04 and sunset at 18:32. On the last day of December, in Paraty, sunrise is at 05:16 and sunset at 18:48 -03.

Sunshine

September through December, with an average of 4h of sunshine, are months with the least sunshine in Paraty, Brazil.

UV index

January through March, November and December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an excessive health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 12 in December translates into the following recommendations:
Implement all key precautions. Warding off sun damage is critical. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.