Weather · Rio de Janeiro, Brazil
Rio de Janeiro Weather in December
December in Rio de Janeiro averages 28°C by day and 22°C at night, with about 152mm of rain. That makes it a reasonable time to visit.
Avg high
28°C
82°F
Avg low
22°C
72°F
Rainfall
152mm
#2 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Rio de Janeiro builds it around the season for you.