Weather on July 21 in Hanoi
Historical weather data for July 21 in Hanoi, Vietnam
Avg High33°C (91°F)
Avg Low26°C (79°F)
Warmest198733°C
Coldest197825°C
Based on 47 years of data from HA DONG
About This Date
July 21st in Hanoi, Vietnam typically brings hot summer weather, with average highs around 33°C and lows near 26°C. Over 47 years of records, the warmest July 21st was in 1987 (33°C average), while the coldest was 1978 (25°C) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 36% of July 21st dates historically, with the wettest July 21st recording 7.24" of rain.
Planning for July 21st in Hanoi? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 29°C (85°F) | -- | 17 mm |
| 2024 | -- | 26°C (79°F) | 5 mm |
| 2023 | -- | 26°C (79°F) | 0 mm |
| 2022 | 32°C (89°F) | -- | 24 mm |
| 2021 | -- | 27°C (80°F) | 0 mm |
| 2020 | -- | 28°C (82°F) | 1 mm |
| 2019 | 36°C (96°F) | 27°C (80°F) | 6 mm |
| 2018 | 28°C (82°F) | 24°C (76°F) | 184 mm |
| 2017 | -- | 25°C (77°F) | 0 mm |
| 2015 | 34°C (94°F) | 25°C (77°F) | 10 mm |
| 2014 | 33°C (91°F) | 26°C (78°F) | 81 mm |
| 2013 | 32°C (89°F) | 26°C (79°F) | 1 mm |
| 2012 | 37°C (99°F) | -- | 0 mm |
| 2011 | 34°C (94°F) | 27°C (81°F) | 7 mm |
| 2010 | 32°C (89°F) | -- | 0 mm |
| 2009 | 33°C (91°F) | 26°C (78°F) | 3 mm |
| 2008 | 37°C (99°F) | -- | 0 mm |
| 2007 | 34°C (94°F) | -- | 0 mm |
| 2006 | 34°C (94°F) | -- | 0 mm |
| 2005 | 34°C (94°F) | -- | 0 mm |
| 2004 | 27°C (80°F) | -- | 83 mm |
| 2003 | 36°C (96°F) | 27°C (81°F) | 1 mm |
| 2002 | 29°C (85°F) | -- | -- |
| 2001 | 32°C (90°F) | -- | 43 mm |
| 2000 | 29°C (85°F) | -- | -- |
| 1999 | 37°C (98°F) | -- | -- |
| 1998 | 39°C (102°F) | -- | 0 mm |
| 1997 | 29°C (84°F) | -- | 34 mm |
| 1996 | 34°C (94°F) | -- | 0 mm |
| 1995 | -- | 26°C (78°F) | 2 mm |
| 1994 | 34°C (94°F) | 26°C (79°F) | 0 mm |
| 1993 | 36°C (96°F) | 20°C (68°F) | 0 mm |
| 1992 | 32°C (89°F) | -- | -- |
| 1991 | 32°C (90°F) | -- | -- |
| 1990 | 31°C (87°F) | 25°C (77°F) | -- |
| 1989 | 34°C (93°F) | -- | 0 mm |
| 1988 | 35°C (95°F) | -- | -- |
| 1987 | 36°C (96°F) | 29°C (85°F) | 0 mm |
| 1986 | 32°C (89°F) | 24°C (76°F) | -- |
| 1985 | 33°C (92°F) | -- | -- |
| 1984 | 34°C (93°F) | -- | 0 mm |
| 1983 | 36°C (96°F) | 28°C (83°F) | 0 mm |
| 1982 | 31°C (88°F) | -- | -- |
| 1978 | 26°C (79°F) | 24°C (75°F) | -- |
| 1977 | 29°C (84°F) | -- | -- |
| 1976 | 33°C (91°F) | 26°C (79°F) | -- |
| 1975 | 33°C (91°F) | 26°C (79°F) | -- |