What to expect in Rio de Janeiro in August
August is a strong choice for Rio de Janeiro: 26° / 18°, with manageable crowds at the big attractions and prices close to the yearly average.
Rio de Janeiro weather in August
Typical conditions in Rio de Janeiro during August, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 26°C 79°F |
|---|---|
| Average low | 18°C 64°F |
| Rainfall | Dry 25/100 |
| Total rainfall | 51 mm2.0 in |
| Rainy days | 6 |
| Sea temperature | 21°C 70°F |
| Daylight | 11 h 20 min |
| How it feels | Warm and comfortable |
Average highs sit around 26°C with lows near 18°C. It is one of the drier months — pack light.
Crowds & demand
Crowd levels are Moderate for Rio de Janeiro — manageable crowds at the big attractions.
Prices & value
This month counts as shoulder season: prices close to the yearly average.
What to pack
Light layers for 26°C days and something with sleeves for evenings, which cool to around 18°C. Rain gear is largely optional this month, which keeps your bag light.
What it costs
Costs in August sit around the yearly average for Rio de Janeiro — neither a bargain nor a squeeze. Booking a few weeks out is usually enough. Compared with the most expensive month of the year, you are looking at roughly 47% less.
Who this month suits
- Travellers who want the most reliable weather
- Anyone travelling on a budget
- People who would rather have space than perfect conditions
Events & what’s on
No major festivals fall in August, so the destination feels like its everyday self.
Rio de Janeiro in August compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| June | 25° / 18° | Moderate | $ | 72 |
| July | 25° / 17° | Moderate | $$ | 67 |
| August · This month | 26° / 18° | Moderate | $$ | 68 |
| September | 26° / 19° | Moderate | $$ | 68 |
| October | 27° / 20° | Moderate | $$ | 63 |
These months score higher for Rio de Janeiro on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in August
If the destination is negotiable but the month is not, these places are at their best in August.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
