Weather on December 21 in Tokyo
Historical weather data for December 21 in Tokyo, Japan
Avg High12°C (53°F)
Avg Low4°C (39°F)
Warmest202514°C
Coldest19785°C
Based on 55 years of data from TOKYO
About This Date
December 21st in Tokyo, Japan typically brings cool winter weather, with average highs around 12°C and lows near 4°C. Over 55 years of records, the warmest December 21st was in 2025 (14°C average), while the coldest was 1978 (5°C) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 21st dates historically, with the wettest December 21st recording 2.11" of rain.
Planning for December 21st in Tokyo? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 19°C (66°F) | 10°C (50°F) | -- |
| 2024 | -- | 3°C (37°F) | 0" |
| 2023 | 12°C (53°F) | -- | 0" |
| 2022 | -- | 3°C (37°F) | 0" |
| 2021 | -- | 2°C (36°F) | 0" |
| 2020 | -- | 0°C (32°F) | 0" |
| 2019 | 9°C (48°F) | -- | 0" |
| 2018 | 14°C (57°F) | 4°C (39°F) | 0" |
| 2017 | 11°C (51°F) | 1°C (33°F) | 0" |
| 2016 | 17°C (63°F) | 5°C (41°F) | 0" |
| 2015 | 13°C (56°F) | 6°C (42°F) | 0" |
| 2014 | -- | 4°C (40°F) | 2.11" |
| 2013 | -- | 3°C (37°F) | 0.2" |
| 2012 | 10°C (50°F) | 2°C (36°F) | 0" |
| 2011 | 8°C (47°F) | 3°C (37°F) | 0" |
| 2010 | -- | 8°C (46°F) | 0" |
| 2009 | 9°C (48°F) | -- | 0" |
| 2008 | 20°C (68°F) | 6°C (42°F) | 0" |
| 2007 | 14°C (58°F) | 4°C (40°F) | 0" |
| 2006 | 11°C (52°F) | 8°C (46°F) | 0" |
| 2005 | 12°C (54°F) | 7°C (44°F) | 0" |
| 2004 | 13°C (55°F) | -- | 0" |
| 2003 | 11°C (52°F) | -- | 0" |
| 2002 | 7°C (44°F) | -- | -- |
| 2001 | 7°C (44°F) | -- | -- |
| 2000 | 16°C (61°F) | -- | -- |
| 1999 | 12°C (54°F) | 2°C (35°F) | -- |
| 1998 | 12°C (53°F) | -- | -- |
| 1997 | 15°C (59°F) | -- | -- |
| 1996 | 13°C (55°F) | 3°C (38°F) | -- |
| 1995 | 13°C (56°F) | 2°C (36°F) | -- |
| 1994 | 12°C (54°F) | 2°C (35°F) | -- |
| 1993 | 14°C (58°F) | 5°C (41°F) | 0.2" |
| 1992 | 13°C (55°F) | 6°C (43°F) | -- |
| 1991 | 11°C (51°F) | 3°C (38°F) | -- |
| 1990 | 9°C (48°F) | -- | 0.51" |
| 1989 | 12°C (53°F) | 4°C (40°F) | 0" |
| 1988 | 12°C (54°F) | 6°C (43°F) | 0" |
| 1987 | 13°C (55°F) | 4°C (40°F) | 0" |
| 1986 | 8°C (47°F) | 4°C (39°F) | 0" |
| 1985 | 9°C (49°F) | 3°C (37°F) | 0" |
| 1984 | 10°C (50°F) | 3°C (38°F) | 0" |
| 1983 | 9°C (48°F) | 1°C (34°F) | 0" |
| 1982 | 13°C (56°F) | 4°C (39°F) | 0" |
| 1981 | 13°C (55°F) | 6°C (42°F) | 0" |
| 1980 | 9°C (48°F) | 2°C (35°F) | 0" |
| 1979 | 17°C (63°F) | 11°C (52°F) | 0.3" |
| 1978 | 9°C (49°F) | 0°C (32°F) | 0" |
| 1977 | 9°C (49°F) | 3°C (38°F) | 0" |
| 1976 | 10°C (50°F) | 3°C (38°F) | 0" |
| 1975 | 9°C (48°F) | 3°C (37°F) | 0" |
| 1974 | 10°C (50°F) | 1°C (34°F) | 0" |
| 1973 | 16°C (60°F) | 2°C (36°F) | 0" |
| 1972 | 11°C (51°F) | 1°C (33°F) | 0" |
| 1971 | 12°C (53°F) | 7°C (44°F) | 0" |