Weather in Rio de Janeiro in October
October in Rio de Janeiro is mild with average temperatures around 23.5°C (74.3°F). Expect significant rainfall with 108mm across approximately 13 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
26.6°C
79.9°F
Low
20.4°C
68.7°F
Precipitation
108 mm
4.3 inches
~13 rainy days
Conditions
Humidity
79%
Comparison to Adjacent Months
October is 39mm wetter than September.
October is 112mm drier than November.