Weather on May 21 in Hong Kong
Historical weather data for May 21 in Hong Kong, China
Avg High29°C (84°F)
Avg Low24°C (75°F)
Warmest197329°C
Coldest200423°C
Based on 55 years of data from KING'S PARK
About This Date
May 21st in Hong Kong, China typically brings warm spring weather, with average highs around 29°C and lows near 24°C. Over 55 years of records, the warmest May 21st was in 1973 (29°C average), while the coldest was 2004 (23°C) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 49% of May 21st dates historically, with the wettest May 21st recording 8.62" of rain.
Planning for May 21st in Hong Kong? 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) |
|---|---|---|---|
| 2026 | 28°C (83°F) | 27°C (80°F) | -- |
| 2025 | -- | 25°C (77°F) | 59 mm |
| 2024 | -- | 22°C (71°F) | 6 mm |
| 2023 | -- | 27°C (81°F) | 0 mm |
| 2022 | 33°C (91°F) | -- | 31 mm |
| 2021 | -- | 27°C (81°F) | -- |
| 2020 | 31°C (88°F) | 24°C (76°F) | 219 mm |
| 2019 | -- | 23°C (74°F) | 0 mm |
| 2018 | -- | 27°C (80°F) | -- |
| 2017 | -- | 23°C (73°F) | 4 mm |
| 2016 | -- | 23°C (74°F) | 70 mm |
| 2014 | -- | 23°C (74°F) | 87 mm |
| 2013 | -- | 23°C (73°F) | 23 mm |
| 2012 | 29°C (84°F) | 24°C (76°F) | 14 mm |
| 2011 | 31°C (87°F) | 23°C (73°F) | 10 mm |
| 2010 | 31°C (88°F) | 25°C (77°F) | 5 mm |
| 2009 | 30°C (86°F) | 23°C (73°F) | 23 mm |
| 2008 | 26°C (78°F) | 21°C (69°F) | 8 mm |
| 2007 | 23°C (74°F) | 22°C (72°F) | 41 mm |
| 2006 | 26°C (78°F) | 21°C (69°F) | 41 mm |
| 2005 | 34°C (93°F) | 25°C (77°F) | 2 mm |
| 2004 | 26°C (78°F) | 19°C (67°F) | 20 mm |
| 2003 | 33°C (92°F) | 26°C (79°F) | 0 mm |
| 2002 | 32°C (89°F) | 25°C (77°F) | 79 mm |
| 2001 | 32°C (89°F) | 24°C (75°F) | 18 mm |
| 2000 | 31°C (87°F) | 23°C (73°F) | 0 mm |
| 1999 | 25°C (77°F) | 23°C (74°F) | -- |
| 1998 | 28°C (82°F) | -- | 10 mm |
| 1997 | 27°C (80°F) | -- | 5 mm |
| 1996 | 29°C (85°F) | 24°C (75°F) | 0 mm |
| 1995 | 32°C (89°F) | -- | 4 mm |
| 1994 | 31°C (87°F) | 24°C (76°F) | 0 mm |
| 1993 | 32°C (89°F) | 26°C (79°F) | 0 mm |
| 1992 | 26°C (78°F) | 23°C (73°F) | 4 mm |
| 1991 | 33°C (91°F) | 27°C (80°F) | 0 mm |
| 1990 | 29°C (84°F) | 23°C (74°F) | 0 mm |
| 1989 | 27°C (81°F) | 24°C (76°F) | -- |
| 1988 | 31°C (87°F) | 28°C (83°F) | -- |
| 1987 | 29°C (85°F) | 27°C (81°F) | -- |
| 1986 | 26°C (79°F) | -- | -- |
| 1985 | 28°C (83°F) | -- | 1 mm |
| 1984 | 26°C (79°F) | 21°C (70°F) | -- |
| 1983 | 27°C (81°F) | 24°C (75°F) | -- |
| 1982 | 29°C (84°F) | -- | 0 mm |
| 1981 | 22°C (72°F) | -- | -- |
| 1980 | 29°C (84°F) | -- | -- |
| 1979 | 28°C (82°F) | 23°C (73°F) | -- |
| 1978 | 25°C (77°F) | -- | -- |
| 1977 | 32°C (90°F) | -- | -- |
| 1976 | 31°C (88°F) | -- | -- |
| 1975 | 31°C (88°F) | 24°C (75°F) | -- |
| 1974 | 32°C (90°F) | -- | -- |
| 1973 | 32°C (90°F) | 27°C (81°F) | -- |
| 1972 | 26°C (79°F) | 23°C (73°F) | 4 mm |
| 1971 | 27°C (81°F) | 22°C (72°F) | 2 mm |