Weather on March 21 in Hanoi
Historical weather data for March 21 in Hanoi, Vietnam
Avg High25°C (77°F)
Avg Low19°C (67°F)
Warmest200927°C
Coldest198516°C
Based on 44 years of data from HA DONG
About This Date
March 21st in Hanoi, Vietnam typically brings pleasant spring weather, with average highs around 25°C and lows near 19°C. Over 44 years of records, the warmest March 21st was in 2009 (27°C average), while the coldest was 1985 (16°C) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 30% of March 21st dates historically, with the wettest March 21st recording 1.35" of rain.
Planning for March 21st in Hanoi? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | -- | 14°C (58°F) | -- |
| 2024 | 26°C (79°F) | 17°C (63°F) | 0" |
| 2023 | -- | 24°C (75°F) | 0" |
| 2022 | 29°C (85°F) | 24°C (75°F) | 0" |
| 2021 | 23°C (74°F) | -- | 1.35" |
| 2020 | 28°C (82°F) | 21°C (70°F) | 0" |
| 2019 | 31°C (87°F) | 24°C (76°F) | 0" |
| 2017 | -- | 23°C (73°F) | 0.1" |
| 2016 | -- | 22°C (72°F) | 0.18" |
| 2014 | 18°C (65°F) | -- | 0.41" |
| 2013 | 28°C (83°F) | 24°C (75°F) | 0.1" |
| 2012 | 25°C (77°F) | 22°C (72°F) | 0.05" |
| 2011 | 26°C (78°F) | 18°C (65°F) | 0.03" |
| 2010 | 23°C (74°F) | -- | 0" |
| 2009 | 32°C (89°F) | 23°C (74°F) | 0" |
| 2008 | 25°C (77°F) | 21°C (70°F) | 0.03" |
| 2007 | 23°C (73°F) | 16°C (61°F) | 0" |
| 2006 | 27°C (80°F) | 22°C (71°F) | 0" |
| 2005 | 28°C (83°F) | -- | 0" |
| 2004 | 24°C (76°F) | -- | 0" |
| 2003 | -- | 16°C (61°F) | 0" |
| 2002 | 26°C (79°F) | 22°C (71°F) | -- |
| 2001 | 27°C (81°F) | -- | 0" |
| 2000 | 26°C (78°F) | -- | 0.08" |
| 1999 | 23°C (73°F) | -- | -- |
| 1998 | 25°C (77°F) | -- | 0.05" |
| 1997 | 20°C (68°F) | 17°C (62°F) | 0.2" |
| 1996 | 27°C (81°F) | -- | 0" |
| 1995 | 21°C (69°F) | 16°C (61°F) | 0.1" |
| 1994 | 19°C (67°F) | -- | -- |
| 1993 | 19°C (66°F) | 13°C (55°F) | 0.2" |
| 1992 | -- | 21°C (69°F) | -- |
| 1991 | 27°C (80°F) | 23°C (74°F) | -- |
| 1990 | -- | 21°C (69°F) | 0" |
| 1989 | 19°C (67°F) | -- | -- |
| 1987 | 29°C (85°F) | 24°C (75°F) | -- |
| 1986 | 27°C (80°F) | -- | 0" |
| 1985 | 18°C (64°F) | 14°C (57°F) | -- |
| 1983 | 24°C (76°F) | 14°C (57°F) | -- |
| 1979 | -- | 16°C (61°F) | -- |
| 1978 | 30°C (86°F) | -- | -- |
| 1977 | 25°C (77°F) | 20°C (68°F) | -- |
| 1976 | -- | 13°C (55°F) | -- |
| 1975 | 25°C (77°F) | 20°C (68°F) | -- |