Weather on December 21 in Hanoi
Historical weather data for December 21 in Hanoi, Vietnam
Avg High22°C (72°F)
Avg Low16°C (60°F)
Warmest197724°C
Coldest197514°C
Based on 47 years of data from HA DONG
About This Date
December 21st in Hanoi, Vietnam typically brings pleasant winter weather, with average highs around 22°C and lows near 16°C. Over 47 years of records, the warmest December 21st was in 1977 (24°C average), while the coldest was 1975 (14°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 21st dates historically.
Planning for December 21st in Hanoi? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 27°C (80°F) | 20°C (68°F) | -- |
| 2024 | 21°C (70°F) | -- | 0" |
| 2023 | 19°C (67°F) | -- | 0" |
| 2021 | -- | 14°C (58°F) | 0.03" |
| 2020 | -- | 14°C (58°F) | -- |
| 2019 | -- | 16°C (60°F) | 0.23" |
| 2018 | -- | 21°C (70°F) | -- |
| 2017 | 23°C (73°F) | 12°C (54°F) | 0" |
| 2016 | -- | 21°C (70°F) | 0" |
| 2015 | -- | 16°C (60°F) | -- |
| 2014 | 21°C (69°F) | -- | 0" |
| 2013 | -- | 7°C (45°F) | -- |
| 2012 | -- | 17°C (63°F) | 0" |
| 2011 | 23°C (74°F) | 18°C (64°F) | 0" |
| 2010 | 21°C (69°F) | 18°C (64°F) | 0.08" |
| 2009 | -- | 13°C (55°F) | -- |
| 2008 | 23°C (74°F) | 18°C (64°F) | 0" |
| 2007 | 26°C (78°F) | 18°C (65°F) | 0" |
| 2006 | 23°C (73°F) | -- | 0" |
| 2005 | 19°C (66°F) | -- | 0" |
| 2004 | 29°C (84°F) | -- | 0" |
| 2003 | 21°C (69°F) | -- | 0" |
| 2002 | 22°C (72°F) | -- | 0" |
| 2001 | 20°C (68°F) | -- | 0.08" |
| 2000 | 23°C (74°F) | -- | 0" |
| 1999 | 18°C (64°F) | 11°C (51°F) | 0" |
| 1998 | 29°C (84°F) | -- | 0" |
| 1997 | 28°C (83°F) | -- | 0" |
| 1996 | 23°C (74°F) | -- | 0" |
| 1995 | 17°C (62°F) | 14°C (57°F) | 0" |
| 1994 | 18°C (65°F) | -- | 0" |
| 1993 | 20°C (68°F) | 13°C (56°F) | -- |
| 1992 | 27°C (81°F) | -- | 0" |
| 1991 | 23°C (74°F) | -- | 0" |
| 1990 | -- | 18°C (64°F) | 0" |
| 1989 | 24°C (76°F) | 17°C (62°F) | 0" |
| 1988 | -- | 17°C (63°F) | -- |
| 1987 | 23°C (73°F) | -- | -- |
| 1985 | 17°C (63°F) | -- | -- |
| 1984 | -- | 10°C (50°F) | 0" |
| 1983 | 27°C (80°F) | 20°C (68°F) | 0" |
| 1982 | 21°C (69°F) | 9°C (49°F) | 0" |
| 1978 | 22°C (72°F) | -- | -- |
| 1977 | 27°C (81°F) | 21°C (70°F) | -- |
| 1976 | -- | 20°C (68°F) | -- |
| 1975 | 19°C (66°F) | 9°C (48°F) | -- |
| 1974 | 19°C (66°F) | 14°C (57°F) | -- |