Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
December verdict
Rio de Janeiro, Rio de Janeiro, Brazil in December
Weather score55Mixed
Mixed for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 234mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
28°C
Rain
234mm
Sun
5.1h
Sea
24°C
Weather score
55
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 234mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Rio de Janeiro, Rio de Janeiro, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December28°C average high
December is close to Rio de Janeiro's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJanuary to March
This stretch sets the upper range for average daytime heat.
Rain
December234mm average rain
December is one of Rio de Janeiro's wettest months, so rain is likely to be a major planning factor.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December5.1 hours average sun
December is below Rio de Janeiro's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to March and May to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December24°C average sea
December is close to Rio de Janeiro's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to April
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
December55 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsFebruary to August
These months have the strongest weather score in the monthly averages.
Hotels in Rio de Janeiro, Rio de Janeiro, Brazil
Marriott
JW Marriott Hotel Rio de JaneiroRio de Janeiro, Rio de Janeiro, Brazil
Sheraton Grand Rio Hotel & ResortRio de Janeiro, Rio de Janeiro, Brazil
Courtyard Rio de Janeiro Barra da TijucaRio de Janeiro, Brazil
City Express Rio de Janeiro Barra da TijucaRio de Janeiro, Rio de Janeiro, Brazil
Residence Inn Rio de Janeiro Barra da TijucaRio de Janeiro, Brazil