Weather on April 21 in Hanoi
Historical weather data for April 21 in Hanoi, Vietnam
Avg High31°C (87°F)
Avg Low23°C (74°F)
Warmest198829°C
Coldest197723°C
Based on 45 years of data from HA DONG
About This Date
April 21st in Hanoi, Vietnam typically brings warm spring weather, with average highs around 31°C and lows near 23°C. Over 45 years of records, the warmest April 21st was in 1988 (29°C average), while the coldest was 1977 (23°C) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 27% of April 21st dates historically, with the wettest April 21st recording 4.09" of rain.
Planning for April 21st in Hanoi? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2026 | 30°C (86°F) | 26°C (78°F) | -- |
| 2025 | 32°C (89°F) | 24°C (75°F) | 1.09" |
| 2024 | 33°C (91°F) | 23°C (73°F) | 4.09" |
| 2023 | 32°C (90°F) | 26°C (78°F) | 0" |
| 2022 | 26°C (78°F) | 21°C (70°F) | 0" |
| 2021 | 33°C (91°F) | 26°C (79°F) | 0" |
| 2020 | -- | 24°C (76°F) | 0" |
| 2019 | 33°C (91°F) | -- | 0" |
| 2018 | 31°C (88°F) | 24°C (76°F) | 0" |
| 2017 | 36°C (96°F) | -- | 1.27" |
| 2016 | -- | 22°C (71°F) | 0.56" |
| 2014 | 29°C (84°F) | 25°C (77°F) | 0.05" |
| 2013 | 29°C (84°F) | -- | 0.2" |
| 2012 | 28°C (82°F) | 21°C (69°F) | 0.99" |
| 2011 | -- | 22°C (72°F) | 0" |
| 2010 | 33°C (92°F) | 22°C (71°F) | 1.22" |
| 2009 | -- | 23°C (73°F) | -- |
| 2008 | 29°C (84°F) | 25°C (77°F) | 0" |
| 2007 | 31°C (88°F) | -- | 0.05" |
| 2006 | 32°C (89°F) | -- | 0" |
| 2005 | 31°C (87°F) | 23°C (73°F) | 0" |
| 2004 | 28°C (83°F) | -- | 0" |
| 2003 | 30°C (86°F) | -- | 0" |
| 2002 | 30°C (86°F) | -- | 0.08" |
| 2001 | 36°C (97°F) | -- | 0" |
| 2000 | 29°C (84°F) | -- | -- |
| 1999 | 33°C (91°F) | 25°C (77°F) | -- |
| 1998 | 31°C (87°F) | 24°C (75°F) | 0.2" |
| 1997 | 31°C (88°F) | 22°C (71°F) | 1.4" |
| 1996 | 22°C (72°F) | -- | 0" |
| 1995 | 29°C (85°F) | -- | 0" |
| 1994 | 31°C (88°F) | 24°C (75°F) | 0" |
| 1993 | 28°C (83°F) | -- | 0" |
| 1992 | 34°C (94°F) | -- | 0" |
| 1991 | -- | 18°C (65°F) | 0" |
| 1990 | 33°C (92°F) | -- | 0" |
| 1988 | 34°C (93°F) | 25°C (77°F) | 0" |
| 1987 | 28°C (82°F) | -- | -- |
| 1986 | -- | 23°C (73°F) | -- |
| 1983 | 29°C (84°F) | 23°C (74°F) | 0" |
| 1982 | -- | 23°C (74°F) | 0" |
| 1978 | 28°C (82°F) | -- | -- |
| 1977 | 25°C (77°F) | 20°C (68°F) | -- |
| 1976 | 27°C (81°F) | 22°C (72°F) | -- |
| 1975 | 30°C (86°F) | 23°C (73°F) | -- |