Weather on August 21 in Osaka
Historical weather data for August 21 in Osaka, Japan
Avg High33°C (91°F)
Avg Low26°C (78°F)
Warmest201032°C
Coldest197223°C
Based on 55 years of data from OSAKA
About This Date
August 21st in Osaka, Japan typically brings hot summer weather, with average highs around 33°C and lows near 26°C. Over 55 years of records, the warmest August 21st was in 2010 (32°C average), while the coldest was 1972 (23°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 21st dates historically, with the wettest August 21st recording 3.46" of rain.
Planning for August 21st in Osaka? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 35°C (95°F) | 28°C (83°F) | -- |
| 2025 | -- | 28°C (83°F) | 0 mm |
| 2024 | -- | 27°C (81°F) | 1 mm |
| 2023 | -- | 28°C (83°F) | 3 mm |
| 2022 | -- | 25°C (77°F) | 22 mm |
| 2021 | -- | 23°C (73°F) | 5 mm |
| 2020 | 37°C (99°F) | -- | 1 mm |
| 2019 | 34°C (93°F) | -- | 0 mm |
| 2018 | 37°C (98°F) | -- | 0 mm |
| 2017 | 33°C (91°F) | 28°C (82°F) | 0 mm |
| 2016 | -- | 28°C (82°F) | 0 mm |
| 2015 | 32°C (90°F) | 23°C (73°F) | 23 mm |
| 2014 | 31°C (88°F) | 28°C (82°F) | 0 mm |
| 2013 | -- | 29°C (84°F) | 0 mm |
| 2012 | 34°C (94°F) | 26°C (78°F) | 0 mm |
| 2011 | 27°C (80°F) | -- | 2 mm |
| 2010 | 36°C (97°F) | 28°C (83°F) | 0 mm |
| 2009 | 33°C (91°F) | -- | 0 mm |
| 2008 | 29°C (85°F) | -- | 0 mm |
| 2007 | 36°C (96°F) | 28°C (83°F) | 0 mm |
| 2006 | 36°C (96°F) | 27°C (81°F) | 0 mm |
| 2004 | 33°C (91°F) | 23°C (73°F) | 0 mm |
| 2003 | 34°C (94°F) | 27°C (80°F) | -- |
| 2002 | -- | 16°C (60°F) | -- |
| 2001 | 27°C (80°F) | 23°C (73°F) | 26 mm |
| 2000 | 35°C (95°F) | -- | -- |
| 1999 | 33°C (91°F) | 24°C (76°F) | 18 mm |
| 1998 | 34°C (94°F) | -- | -- |
| 1997 | 34°C (93°F) | 26°C (79°F) | -- |
| 1996 | 33°C (91°F) | -- | -- |
| 1995 | 36°C (96°F) | 28°C (83°F) | -- |
| 1994 | 31°C (87°F) | -- | -- |
| 1993 | 31°C (87°F) | 25°C (77°F) | -- |
| 1992 | 32°C (90°F) | 24°C (76°F) | -- |
| 1991 | 34°C (93°F) | -- | -- |
| 1990 | 35°C (95°F) | 26°C (78°F) | -- |
| 1989 | 34°C (93°F) | -- | -- |
| 1988 | 34°C (93°F) | 24°C (76°F) | -- |
| 1987 | 34°C (93°F) | 27°C (81°F) | -- |
| 1986 | 34°C (94°F) | -- | -- |
| 1985 | 34°C (94°F) | 26°C (78°F) | -- |
| 1984 | 33°C (91°F) | 27°C (80°F) | 1 mm |
| 1983 | 34°C (93°F) | -- | -- |
| 1982 | 32°C (89°F) | 23°C (74°F) | -- |
| 1981 | 35°C (95°F) | -- | 0 mm |
| 1980 | 31°C (88°F) | 23°C (73°F) | 17 mm |
| 1979 | 32°C (90°F) | 25°C (77°F) | 4 mm |
| 1978 | 34°C (93°F) | 27°C (81°F) | 4 mm |
| 1977 | 30°C (86°F) | 22°C (72°F) | 0 mm |
| 1976 | 34°C (93°F) | 25°C (77°F) | 0 mm |
| 1975 | 33°C (91°F) | 25°C (77°F) | 0 mm |
| 1974 | 33°C (91°F) | -- | 0 mm |
| 1973 | 34°C (93°F) | -- | 0 mm |
| 1972 | 26°C (78°F) | 22°C (71°F) | 88 mm |
| 1971 | 26°C (79°F) | 22°C (72°F) | 1 mm |