Climate guide for Búzios, Brazil

Búzios in December

Weather, crowds & best time to visit

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December · Brazil

Best time to visit Búzios in December Weather, crowds & prices

Weather in Búzios in December

Average temperature 25°C, 164 mm of rain, about 28 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

7.6/10

Ranked #10 of 12 months

Full year for Búzios
Avg temp
25°C
Rainfall
164 mm
Humidity
83%
Days with 6h+ sun
28
Crowd Density
Quiet / Uncrowded
Average Expenses
$$ · Moderate Cost ($$)

December in Búzios scores 7.6/10 for beach and coastal travel - ranked #10 of 12. Expect around 25°C, 164 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.

Búzios strings 20-plus crescent beaches on a peninsula of boutique hotels east of Rio. Best window: the drier months outside peak monsoon.

December holds up well in Búzios — 10th best month

December averages 25°C (77°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Monthly rainfall reaches 164 mm — wet for this destination — but about 28 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 7.6/10 here, 10th of 12 months, against 8.8/10 in the destination's best month.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

Plan for mid-season pricing, with crowds are light for this destination.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Búzios in December?
In December, Búzios averages 25°C, 164 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 7.6/10.
Is December a good time to visit Búzios?
December earns a 7.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Búzios in December?
Expect about 164 mm of rain in December. Average humidity is 83% and there are about 28 days with 6+ hours of sunshine.

Curated in Búzios

Tickets & experiences

Things to do in Búzios

Búzios, Brazil. Live activities and tours from GetYourGuide, matched to this destination.