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In Búzios, December brings high daytime temperatures around 27°C (81°F), with nights cooling to 23°C (73°F). Expect quite a bit of rainfall this month.
If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Búzios. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Búzios - and find the best time to visit.
40-year average (1976-2025)
Based on our historical records, temperatures in Búzios typically stay consistent throughout December, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 22°C (72°F).
Browse day-by-day weather records for Búzios spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Búzios between 2006 and 2025, these are the recorded extremes during December.
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Búzios climate overview or explore weather in Brazil.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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