Rio de Janeiro Weather in August
Brazil · August climate averages and travel tips
Avg high25°C (78°F)
Avg low18°C (65°F)
Rainfall39 mm (1.5 in)
RatingExcellent 9.3/10
In August, Rio de Janeiro has average highs of 25°C (78°F) and lows of 18°C (65°F). The month is fairly dry, with about 39 mm (1.5 in) of rain spread over 7 days, one of the driest months of the year. You get roughly 11.2 hours of daylight and a mix of sun and cloud.
Is August a good time to visit Rio de Janeiro?
Yes — August is one of the best months to visit Rio de Janeiro. The weather rates excellent (9.3/10) on our comfort score.
August weather at a glance
| Average high | 25°C (78°F) |
|---|---|
| Average low | 18°C (65°F) |
| Daily mean | 21°C (70°F) |
| Rainfall | 39 mm (1.5 in) |
| Rainy days (1 mm+) | 7 |
| Humidity | 76% |
| Cloud cover | 45% |
| Daylight | 11.2 hours |
| Est. sunshine | 6.8 hours/day |
| Wind | 10.8 km/h |
| vs July | 1°C warmer than July, with similar rainfall. |
What to pack for Rio de Janeiro in August
- T-shirts plus a light layer for the evening
Rio de Janeiro weather in other months
Jan29°C / 24°C220 mmPoorFeb29°C / 24°C167 mmPoorMar28°C / 24°C169 mmPoorApr27°C / 22°C104 mmFairMay25°C / 20°C61 mmExcellentJun25°C / 19°C44 mmExcellentJul25°C / 18°C31 mmExcellentAug25°C / 18°C39 mmExcellentSep26°C / 19°C62 mmExcellentOct27°C / 21°C120 mmFairNov27°C / 21°C215 mmPoorDec28°C / 23°C232 mmPoor
← JulyBest time to visit Rio de JaneiroSeptember →
Nearby in August
- Belo Horizonte28°C · 17 mm
- Guarulhos25°C · 38 mm
- Sao Paulo25°C · 37 mm
- Campinas27°C · 29 mm
- Curitiba21°C · 88 mm
- Florianopolis22°C · 103 mm
Where else is good in August? See where to go in August.