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The weather in Rio De Janeiro in October is hot. The average temperatures are between 20°C and 28°C.
You can expect rain for roughly half of the month of October in Rio De Janeiro. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Rio De Janeiro in October 2025.
If you’re planning to visit Rio De Janeiro in the near future, we highly recommend that you review the 14 day weather forecast for Rio De Janeiro before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 31° / 22° | 15 | 16 | 0 | 340 mm | Ok | Rio De Janeiro in January |
| February | 31° / 22° | 13 | 16 | 0 | 294 mm | Ok | Rio De Janeiro in February |
| March | 30° / 21° | 14 | 17 | 0 | 305 mm | Ok | Rio De Janeiro in March |
| April | 28° / 19° | 7 | 23 | 0 | 136 mm | Good | Rio De Janeiro in April |
| May | 26° / 17° | 4 | 27 | 0 | 110 mm | Perfect | Rio De Janeiro in May |
| June | 25° / 16° | 4 | 26 | 0 | 93 mm | Perfect | Rio De Janeiro in June |
| July | 26° / 16° | 4 | 27 | 0 | 71 mm | Perfect | Rio De Janeiro in July |
| August | 26° / 17° | 4 | 27 | 0 | 76 mm | Perfect | Rio De Janeiro in August |
| September | 28° / 19° | 6 | 24 | 0 | 124 mm | Perfect | Rio De Janeiro in September |
| October | 28° / 20° | 9 | 22 | 0 | 200 mm | Good | Rio De Janeiro in October |
| November | 28° / 20° | 14 | 16 | 0 | 364 mm | Good | Rio De Janeiro in November |
| December | 29° / 21° | 14 | 17 | 0 | 335 mm | Ok | Rio De Janeiro in December |