Weather on May 21 in Hanoi
Historical weather data for May 21 in Hanoi, Vietnam
Avg High33°C (91°F)
Avg Low26°C (78°F)
Warmest198833°C
Coldest200021°C
Based on 47 years of data from HA DONG
About This Date
May 21st in Hanoi, Vietnam typically brings hot spring weather, with average highs around 33°C and lows near 26°C. Over 47 years of records, the warmest May 21st was in 1988 (33°C average), while the coldest was 2000 (21°C) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 15% of May 21st dates historically, with the wettest May 21st recording 3.71" of rain.
Planning for May 21st in Hanoi? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 35°C (95°F) | -- | 3.71" |
| 2024 | 33°C (92°F) | 25°C (77°F) | 0" |
| 2023 | -- | 28°C (83°F) | 0" |
| 2022 | 28°C (83°F) | 24°C (76°F) | 0" |
| 2021 | -- | 28°C (82°F) | 0" |
| 2020 | -- | 29°C (84°F) | -- |
| 2019 | 29°C (84°F) | -- | 0.56" |
| 2018 | -- | 27°C (80°F) | 0" |
| 2017 | 30°C (86°F) | 25°C (77°F) | 0" |
| 2016 | -- | 26°C (78°F) | -- |
| 2015 | -- | 26°C (78°F) | 0.03" |
| 2014 | 37°C (98°F) | 27°C (81°F) | 0" |
| 2013 | 33°C (92°F) | 25°C (77°F) | 0" |
| 2012 | 32°C (89°F) | -- | 0.23" |
| 2011 | 33°C (92°F) | 26°C (78°F) | 0" |
| 2010 | 36°C (96°F) | -- | 0" |
| 2009 | 32°C (89°F) | 24°C (76°F) | 0.23" |
| 2008 | 32°C (89°F) | 24°C (75°F) | 0" |
| 2007 | 34°C (93°F) | -- | 0" |
| 2006 | -- | 25°C (77°F) | 0" |
| 2005 | 33°C (91°F) | -- | 0" |
| 2004 | 30°C (86°F) | 21°C (70°F) | 0" |
| 2003 | 34°C (94°F) | -- | 0" |
| 2002 | 38°C (101°F) | 28°C (83°F) | 0" |
| 2001 | 33°C (92°F) | -- | 0" |
| 2000 | 23°C (73°F) | 19°C (66°F) | 0.58" |
| 1999 | 30°C (86°F) | 23°C (74°F) | -- |
| 1998 | -- | 27°C (81°F) | 0" |
| 1997 | 34°C (94°F) | -- | 0" |
| 1996 | 33°C (92°F) | 24°C (75°F) | 0" |
| 1995 | 36°C (97°F) | -- | 0" |
| 1994 | 31°C (88°F) | 25°C (77°F) | 0.13" |
| 1993 | 33°C (92°F) | 25°C (77°F) | 0" |
| 1992 | -- | 21°C (69°F) | 0" |
| 1991 | 33°C (92°F) | -- | -- |
| 1990 | 31°C (88°F) | 26°C (78°F) | -- |
| 1989 | 36°C (97°F) | 25°C (77°F) | 0" |
| 1988 | 39°C (102°F) | 28°C (83°F) | 0" |
| 1987 | 37°C (99°F) | 28°C (82°F) | -- |
| 1985 | 32°C (89°F) | -- | 0" |
| 1984 | 28°C (82°F) | -- | -- |
| 1983 | 34°C (94°F) | 27°C (81°F) | 0" |
| 1982 | 32°C (89°F) | 25°C (77°F) | 0" |
| 1978 | 34°C (93°F) | 27°C (81°F) | -- |
| 1977 | 34°C (93°F) | 27°C (81°F) | -- |
| 1976 | 31°C (88°F) | 24°C (75°F) | -- |
| 1975 | 35°C (95°F) | -- | -- |