Weather on August 18 in Rio de Janeiro
Historical weather data for August 18 in Rio de Janeiro, Brazil
Avg High27°C (81°F)
Avg Low17°C (62°F)
Warmest200626°C
Coldest201121°C
Based on 30 years of data from RIO DE JANEIRO
About This Date
August 18th in Rio de Janeiro, Brazil typically brings warm summer weather, with average highs around 27°C and lows near 17°C. Over 30 years of records, the warmest August 18th was in 2006 (26°C average), while the coldest was 2011 (21°C) — a 8°F range across recorded history. Rain or other precipitation has occurred on about 17% of August 18th dates historically, with the wettest August 18th recording 1.8" of rain.
Planning for August 18th in Rio de Janeiro? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2024 | -- | 17°C (62°F) | -- |
| 2023 | -- | 18°C (65°F) | -- |
| 2021 | -- | 19°C (66°F) | 0" |
| 2020 | -- | 22°C (71°F) | 0" |
| 2018 | -- | 18°C (64°F) | -- |
| 2017 | -- | 19°C (67°F) | 0.51" |
| 2016 | 29°C (85°F) | 16°C (61°F) | -- |
| 2015 | -- | 18°C (64°F) | -- |
| 2014 | -- | 9°C (48°F) | 0.3" |
| 2013 | -- | 18°C (64°F) | 0.1" |
| 2012 | -- | 13°C (55°F) | 0.2" |
| 2011 | 28°C (82°F) | 14°C (58°F) | -- |
| 2009 | -- | 15°C (59°F) | -- |
| 2008 | -- | 14°C (58°F) | -- |
| 2006 | 29°C (85°F) | 22°C (71°F) | -- |
| 2005 | -- | 18°C (64°F) | -- |
| 2004 | -- | 17°C (63°F) | -- |
| 2003 | -- | 14°C (57°F) | 0" |
| 2002 | 29°C (84°F) | 18°C (64°F) | -- |
| 2001 | -- | 17°C (63°F) | -- |
| 2000 | 25°C (77°F) | 18°C (64°F) | -- |
| 1999 | -- | 9°C (49°F) | -- |
| 1983 | 24°C (76°F) | 19°C (67°F) | 0" |
| 1981 | 24°C (75°F) | 20°C (68°F) | 1.8" |
| 1979 | -- | 15°C (59°F) | 0" |
| 1978 | -- | 16°C (61°F) | 0" |
| 1977 | 30°C (86°F) | 19°C (66°F) | 0" |
| 1976 | -- | 18°C (64°F) | -- |
| 1975 | -- | 20°C (68°F) | -- |
| 1974 | -- | 16°C (61°F) | 0" |