01Weather
Rio de Janeiro weather in October
Afternoons in October average 27.4 °C (81 °F) and nights cool to 20.9 °C (70 °F). Compared with September it is 0.0 °C warmer; November is 0.3 °C warmer again.
What the averages hide
| In a typical October | Value | What it means |
|---|---|---|
| Warm afternoons (90th percentile) | 32 °C / 90 °F | one day in ten is at least this warm |
| Cool afternoons (10th percentile) | 23 °C / 73 °F | one day in ten stays below this |
| Cold nights (10th percentile) | 19 °C / 66 °F | one night in ten is colder than this |
| Days above 30 °C (86 °F) | 7.1 | per month, average 2016–2025 |
| Nights at or below 0 °C (32 °F) | 0.0 | frost mornings per month |
| Hottest / coldest October day 2016–2025 | 36.5 °C / 15.4 °C | extremes in the ten-year record |
02Daylight
Sunrise, sunset and the length of the day
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 1 October | 05:33 | 17:51 | 12.3 h |
| 15 October | 05:20 | 17:56 | 12.6 h |
| 31 October | 05:08 | 18:04 | 12.9 h |
Daylight grows by about 36 minutes over the month. Times are local (America/Sao_Paulo), including the clock change on the last Sunday of October.
03Crowds
How busy Rio de Janeiro is in October
moderate The main sights are moderate in October. What drives it:
- warming up
- Children's Day on 12 October
- Rio Film Festival
04Public holidays
Public holidays in October 2027
| Date | Holiday |
|---|---|
| 12 Oct 2027 | Our Lady of Aparecida |
On public holidays many shops close and museums run on Sunday hours; check opening times for the day before and after as well.
05Events
What's on in Rio de Janeiro in October
Every year in October
| Event | When | Type |
|---|---|---|
| Festival do Rio | October, film festival | culture |
07Packing
What to pack for Rio de Janeiro in October
- light, breathable clothing
- sun hat and sunscreen
- refillable water bottle
- a compact umbrella for occasional showers
- something for heat: 7 days a month pass 30 °C on average
08Editor's notes
What the numbers don't tell you
October is warm and increasingly humid, with afternoons around 28 °C, the Film Festival, Children's Day on 12 October as a holiday combined with Our Lady of Aparecida and the beaches filling again at weekends. Afternoon storms return, on about nine days. It is the last quiet month before the summer peak, with reasonable rates. The sea warms to 23 °C.
The Rio International Film Festival runs for two weeks across the city's cinemas. The samba schools begin their Carnival rehearsals, open to the public on weekend nights. Daylight grows from twelve hours to twelve and a half. For the hot, wet month with the two November holidays and the Réveillon run-up, see November.
09Compare
Rio de Janeiro month by month
| Month | High | Low | Rain days | Sun h | Crowds | Verdict |
|---|---|---|---|---|---|---|
| January | 31 °C | 24 °C | – | – | very busy | Mixed |
| February | 31 °C | 24 °C | – | – | very busy | Mixed |
| March | 31 °C | 23 °C | – | – | busy | Good |
| April | 29 °C | 21 °C | – | – | moderate | Excellent |
| May | 28 °C | 19 °C | – | – | moderate | Excellent |
| June | 27 °C | 18 °C | – | – | moderate | Excellent |
| July | 26 °C | 17 °C | – | – | busy | Excellent |
| August | 26 °C | 18 °C | – | – | moderate | Excellent |
| September | 27 °C | 20 °C | – | – | moderate | Excellent |
| October | 27 °C | 21 °C | – | – | moderate | Excellent |
| November | 28 °C | 22 °C | – | – | moderate | Excellent |
| December | 30 °C | 23 °C | – | – | very busy | Good |
Not sure about October? See the best time to visit Rio de Janeiro.
10Elsewhere
October in nearby cities
| City | High | Rain days |
|---|---|---|
| Buenos Aires in October | 22 °C | 10 |
| Miami in October | 31 °C | 11 |
| Cancún in October | 30 °C | – |
| Orlando in October | 29 °C | 3 |
| Lisbon in October | 24 °C | 8 |
| New York City in October | 20 °C | 7 |
11FAQ
Rio de Janeiro in October: your questions
Is October a good time to visit Rio de Janeiro?
October is one of the best months to visit Rio de Janeiro. Daytime highs average 27 °C (81 °F), and hotel arrivals run above the yearly average, so the main sights are moderate.
What is the weather like in Rio de Janeiro in October?
Expect warm days around 27 °C (81 °F) and nights near 21 °C (70 °F). One October in ten brings afternoons above 32 °C, and one in ten stays below 23 °C.
Does it rain a lot in Rio de Janeiro in October?
October in Rio de Janeiro, by the 1991–2020 station normals.
What should I wear in Rio de Janeiro in October?
Pack light, breathable clothing, sun hat and sunscreen, refillable water bottle.
Is Rio de Janeiro crowded in October?
The main sights are moderate in October. Main drivers: warming up; Children's Day on 12 October; Rio Film Festival.
What time does it get dark in Rio de Janeiro in October?
Around the middle of October the sun sets at about 17:56 and rises at 05:20, giving 12.6 hours of daylight.