Weather on May 18 in Rio de Janeiro
Historical weather data for May 18 in Rio de Janeiro, Brazil
Avg High28°C (82°F)
Avg Low17°C (63°F)
Warmest202428°C
Coldest201416°C
Based on 30 years of data from RIO DE JANEIRO
About This Date
May 18th in Rio de Janeiro, Brazil typically brings warm spring weather, with average highs around 28°C and lows near 17°C. Over 30 years of records, the warmest May 18th was in 2024 (28°C average), while the coldest was 2014 (16°C) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 13% of May 18th dates historically, with the wettest May 18th recording 3" of rain.
Planning for May 18th in Rio de Janeiro? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | -- | 18°C (64°F) | 0" |
| 2024 | 36°C (96°F) | 22°C (71°F) | 0" |
| 2022 | 26°C (79°F) | 17°C (63°F) | 0" |
| 2021 | 28°C (83°F) | 19°C (66°F) | 0" |
| 2020 | 26°C (79°F) | -- | 0" |
| 2019 | -- | 21°C (69°F) | 0.99" |
| 2018 | -- | 21°C (69°F) | -- |
| 2017 | -- | 14°C (57°F) | -- |
| 2016 | 28°C (82°F) | 8°C (46°F) | 0.2" |
| 2015 | 23°C (73°F) | 8°C (47°F) | 0" |
| 2014 | 24°C (76°F) | 7°C (45°F) | -- |
| 2013 | -- | 19°C (67°F) | 3" |
| 2012 | -- | 12°C (53°F) | -- |
| 2011 | -- | 11°C (52°F) | -- |
| 2010 | 22°C (71°F) | -- | -- |
| 2009 | -- | 13°C (56°F) | -- |
| 2006 | 27°C (81°F) | 15°C (59°F) | -- |
| 2005 | 34°C (93°F) | 21°C (70°F) | 0" |
| 2004 | -- | 18°C (64°F) | 0" |
| 2003 | -- | 19°C (66°F) | -- |
| 2002 | 28°C (82°F) | 20°C (68°F) | -- |
| 2001 | 31°C (88°F) | -- | -- |
| 2000 | 27°C (81°F) | 15°C (59°F) | -- |
| 1982 | -- | 22°C (71°F) | 0" |
| 1981 | -- | 21°C (70°F) | 0" |
| 1979 | 26°C (79°F) | 19°C (66°F) | 0" |
| 1978 | 27°C (81°F) | 20°C (68°F) | 1.19" |
| 1976 | 30°C (86°F) | 19°C (66°F) | -- |
| 1975 | -- | 21°C (70°F) | -- |
| 1974 | 29°C (84°F) | 21°C (70°F) | 0" |