Weather on October 21 in Hanoi
Historical weather data for October 21 in Hanoi, Vietnam
Avg High29°C (84°F)
Avg Low22°C (72°F)
Warmest198828°C
Coldest199920°C
Based on 47 years of data from HA DONG
About This Date
October 21st in Hanoi, Vietnam typically brings warm fall weather, with average highs around 29°C and lows near 22°C. Over 47 years of records, the warmest October 21st was in 1988 (28°C average), while the coldest was 1999 (20°C) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 13% of October 21st dates historically, with the wettest October 21st recording 3.43" of rain.
Planning for October 21st in Hanoi? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 28°C (82°F) | 23°C (73°F) | -- |
| 2024 | -- | 24°C (76°F) | 0.48" |
| 2021 | 28°C (82°F) | -- | 0" |
| 2020 | 28°C (82°F) | -- | 0" |
| 2019 | 32°C (89°F) | 24°C (75°F) | 0" |
| 2018 | -- | 24°C (76°F) | 0" |
| 2017 | -- | 24°C (76°F) | -- |
| 2016 | -- | 26°C (78°F) | -- |
| 2015 | -- | 24°C (75°F) | -- |
| 2014 | 32°C (89°F) | -- | 0" |
| 2013 | 29°C (84°F) | 21°C (69°F) | 0" |
| 2012 | 32°C (90°F) | 23°C (73°F) | 3.43" |
| 2011 | 28°C (82°F) | -- | 0" |
| 2010 | 29°C (84°F) | 21°C (70°F) | 0" |
| 2009 | -- | 22°C (72°F) | 0.36" |
| 2008 | 31°C (87°F) | -- | 0" |
| 2007 | 29°C (84°F) | -- | 0" |
| 2006 | 32°C (90°F) | 23°C (74°F) | 0" |
| 2005 | 31°C (87°F) | 23°C (73°F) | 0" |
| 2004 | 29°C (85°F) | -- | 0" |
| 2003 | 31°C (87°F) | -- | 0" |
| 2002 | 24°C (76°F) | -- | 2.84" |
| 2001 | 31°C (88°F) | -- | 0.08" |
| 2000 | 28°C (83°F) | -- | 0" |
| 1999 | 22°C (72°F) | 18°C (64°F) | 0.91" |
| 1998 | 29°C (85°F) | -- | 0" |
| 1997 | 31°C (88°F) | 24°C (75°F) | 0" |
| 1996 | 30°C (86°F) | -- | 0" |
| 1995 | 31°C (88°F) | -- | 0" |
| 1994 | 26°C (78°F) | 16°C (61°F) | 0" |
| 1993 | 28°C (83°F) | 22°C (71°F) | 0" |
| 1992 | 29°C (84°F) | 19°C (66°F) | 0" |
| 1991 | 28°C (82°F) | 21°C (70°F) | 0" |
| 1990 | 28°C (82°F) | -- | -- |
| 1989 | 28°C (83°F) | -- | 0" |
| 1988 | 31°C (88°F) | 24°C (75°F) | 0" |
| 1987 | 30°C (86°F) | 22°C (71°F) | -- |
| 1986 | -- | 24°C (75°F) | -- |
| 1985 | 22°C (72°F) | -- | -- |
| 1984 | 28°C (82°F) | 19°C (67°F) | 0" |
| 1983 | 31°C (87°F) | -- | 0" |
| 1982 | 29°C (85°F) | -- | -- |
| 1978 | -- | 23°C (73°F) | -- |
| 1977 | 29°C (84°F) | 21°C (70°F) | -- |
| 1976 | 26°C (79°F) | 21°C (70°F) | -- |
| 1975 | 29°C (84°F) | -- | -- |
| 1974 | 26°C (79°F) | 22°C (72°F) | -- |