Rio de Janeiro December weather
Rio de Janeiro, Brazil · December
Holiday season: plan for heat + crowds + downpours
December marks the start of Rio’s summer. Heat and humidity increase, and rain becomes more frequent—often as short, intense bursts.
Holiday season can add crowds and slower movement. Keep logistics simple, and leave room to swap plans around weather.
December averages at a glance
Average low
around 23–24°C
Average high
around 29–32°C
Average precipitation
around 110–170 mm
Precip days
about 10–16 days
What to wear in December in Rio de Janeiro
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Breathable/quick-dry clothing.
- • Sunscreen/sunglasses/hat (recommended).
- • Umbrella/light rain shell (recommended).
- • Footwear that handles wet surfaces.
- • Optional waterproof pouch.
Travel tips for visiting Rio de Janeiro in December
- • Book a few must-dos early, but keep the rest flexible.
- • Add buffer time after heavy rain—transport can slow down.
- • Limited shade on the beach makes water + sunscreen a comfort staple.
December weather in Rio de Janeiro — FAQ
Q. Is December very rainy?
A. It often gets wetter as summer begins, with intense bursts more than constant drizzle.
Q. Is December a good time to visit?
A. Great summer energy, but plan around heat, humidity, and storm variability for best comfort.
Explore Rio de Janeiro
These pages are connected so you can compare conditions and decide for yourself.