Rio de Janeiro Weather in October
In October, Rio de Janeiro averages a high of 28°C (82°F) and a low of 21°C (69°F), based on 23 years of historical weather data from RIO DE JANEIRO.
28°C
Average high
82°F
21°C
Average low
69°F
39°C
Record high
103°F · 2020
11°C
Record low
52°F · 1978
What to Expect in Rio de Janeiro in October
Typical October days in Rio de Janeiro reach 28°C (82°F) during the afternoon and cool to around 21°C (69°F) overnight. On average, measurable rain falls on about 34% of days this month. Over the past 23 years, October temperatures in Rio de Janeiro have ranged from a record high of 39°C (2020) down to a record low of 11°C (1978).
For a day-by-day look or other months, see the full Rio de Janeiro weather history.