Weather on August 21 in Tokyo
Historical weather data for August 21 in Tokyo, Japan
Avg High31°C (88°F)
Avg Low25°C (77°F)
Warmest197831°C
Coldest197722°C
Based on 54 years of data from TOKYO
About This Date
August 21st in Tokyo, Japan typically brings warm summer weather, with average highs around 31°C and lows near 25°C. Over 54 years of records, the warmest August 21st was in 1978 (31°C average), while the coldest was 1977 (22°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 21st dates historically, with the wettest August 21st recording 2.17" of rain.
Planning for August 21st in Tokyo? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 31°C (88°F) | 26°C (78°F) | -- |
| 2025 | -- | 27°C (81°F) | 0 mm |
| 2023 | -- | 26°C (79°F) | 0 mm |
| 2021 | -- | 25°C (77°F) | 0 mm |
| 2020 | -- | 26°C (79°F) | 0 mm |
| 2019 | 32°C (89°F) | -- | 1 mm |
| 2018 | 33°C (92°F) | 24°C (75°F) | 0 mm |
| 2017 | 32°C (90°F) | 24°C (76°F) | 0 mm |
| 2016 | -- | 23°C (74°F) | 55 mm |
| 2015 | -- | 24°C (76°F) | 2 mm |
| 2014 | -- | 28°C (82°F) | 0 mm |
| 2013 | 34°C (93°F) | -- | 0 mm |
| 2012 | 34°C (93°F) | 27°C (80°F) | 0 mm |
| 2011 | 21°C (70°F) | -- | 8 mm |
| 2010 | 33°C (91°F) | 26°C (79°F) | 0 mm |
| 2009 | 33°C (91°F) | 26°C (79°F) | 0 mm |
| 2008 | 31°C (88°F) | -- | 0 mm |
| 2007 | 34°C (94°F) | 26°C (79°F) | 0 mm |
| 2006 | 33°C (92°F) | -- | 0 mm |
| 2005 | 30°C (86°F) | 27°C (80°F) | 0 mm |
| 2004 | 30°C (86°F) | 24°C (75°F) | 0 mm |
| 2003 | 31°C (87°F) | 24°C (75°F) | -- |
| 2002 | -- | 22°C (71°F) | -- |
| 2001 | -- | 22°C (71°F) | 26 mm |
| 2000 | 33°C (91°F) | 26°C (79°F) | -- |
| 1999 | 32°C (90°F) | 26°C (79°F) | 0 mm |
| 1998 | 32°C (89°F) | -- | -- |
| 1997 | 33°C (92°F) | -- | -- |
| 1996 | 31°C (87°F) | 23°C (73°F) | -- |
| 1995 | 34°C (93°F) | -- | -- |
| 1994 | 25°C (77°F) | -- | 52 mm |
| 1993 | 31°C (87°F) | -- | 0 mm |
| 1992 | 29°C (85°F) | 24°C (75°F) | -- |
| 1991 | 32°C (90°F) | 26°C (79°F) | 12 mm |
| 1990 | 33°C (92°F) | 27°C (80°F) | -- |
| 1989 | 32°C (90°F) | 25°C (77°F) | 0 mm |
| 1988 | 31°C (88°F) | 24°C (76°F) | 0 mm |
| 1987 | 33°C (92°F) | 26°C (79°F) | 0 mm |
| 1986 | 32°C (90°F) | 26°C (78°F) | 0 mm |
| 1985 | 30°C (86°F) | 25°C (77°F) | 0 mm |
| 1984 | 32°C (90°F) | 26°C (79°F) | 8 mm |
| 1983 | 25°C (77°F) | 23°C (73°F) | 1 mm |
| 1982 | 31°C (88°F) | 25°C (77°F) | 3 mm |
| 1981 | 28°C (83°F) | 22°C (72°F) | 4 mm |
| 1980 | 28°C (82°F) | 22°C (72°F) | 0 mm |
| 1979 | 27°C (80°F) | 24°C (75°F) | 2 mm |
| 1978 | 35°C (95°F) | 27°C (81°F) | 0 mm |
| 1977 | 24°C (76°F) | 21°C (69°F) | 0 mm |
| 1976 | 32°C (89°F) | 24°C (76°F) | 0 mm |
| 1975 | 34°C (94°F) | 26°C (79°F) | 0 mm |
| 1974 | 31°C (88°F) | 25°C (77°F) | 0 mm |
| 1973 | 33°C (92°F) | 26°C (78°F) | 0 mm |
| 1972 | 27°C (81°F) | 22°C (72°F) | 4 mm |
| 1971 | 29°C (84°F) | 21°C (69°F) | 0 mm |