Rio de Janeiro Weather in December
Brazil · 30-year monthly averages
🤔 Fair time to visit
December in Rio de Janeiro is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 23°C (73°F). Expect roughly 192mm of precipitation, and heavy rainfall is common — this is peak wet season territory.
Avg high
29°C
84°F
Avg low
23°C
73°F
Rainfall
192mm
very wet
Mean temp
26°C
78°F
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
- compact umbrella or rain jacket
December vs the rest of the year
FAQ
- How hot is Rio de Janeiro in December?
- December in Rio de Janeiro is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 23°C (73°F). Expect roughly 192mm of precipitation, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Rio de Janeiro in December?
- Rio de Janeiro sees around 192mm of precipitation in December on average — very wet by global standards.
- Is December a good time to visit Rio de Janeiro?
- December is a workable month to visit Rio de Janeiro, but expect some weather trade-offs.