Weather on December 21
Los Angeles, CA
55 Years of Data
Avg High
67°F
Avg Low
49°F
Warmest
2020
71°F avg
Coldest
1990
45°F avg
About This Date
December 21st in Los Angeles, CA typically brings mild winter weather, with average highs around 67°F and lows near 49°F. Over 55 years of records, the warmest December 21st was in 2020 (71°F average), while the coldest was 1990 (45°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 21st dates historically, with the wettest December 21st recording 2.26" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Los Angeles, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 50° | 61° | — | — |
| 2024 | 68° | 44° | 56° | — | — |
| 2023 | 65° | 60° | 62° | 2.26" | — |
| 2022 | 71° | 44° | 58° | — | — |
| 2021 | 69° | 50° | 60° | — | — |
| 2020warmest | 84° | 57° | 71° | — | — |
| 2019 | 75° | 52° | 63° | — | — |
| 2018 | 71° | 55° | 63° | — | — |
| 2017 | 63° | 44° | 53° | — | — |
| 2016 | 70° | 54° | 62° | 1.27" | — |
| 2015 | 62° | 44° | 53° | 0.08" | — |
| 2014 | 68° | 50° | 59° | — | — |
| 2013 | 61° | 46° | 53° | — | — |
| 2012 | 66° | 44° | 55° | — | — |
| 2011 | 64° | 43° | 53° | — | — |
| 2010 | 58° | 53° | 55° | 2.26" | — |
| 2009 | 68° | 53° | 61° | — | — |
| 2008 | 68° | 47° | 57° | — | — |
| 2007 | 63° | 45° | 54° | — | — |
| 2006 | 64° | 43° | 53° | — | — |
| 2005 | 81° | 56° | 68° | — | — |
| 2004 | 65° | 52° | 58° | — | — |
| 2003 | 64° | 51° | 58° | — | — |
| 2002 | 59° | 50° | 55° | 0.08" | — |
| 2001 | 57° | 47° | 52° | 0.69" | — |
| 2000 | 69° | 44° | 57° | — | — |
| 1999 | 74° | 45° | 59° | — | — |
| 1998 | 55° | 41° | 48° | — | — |
| 1997 | 62° | 49° | 55° | — | — |
| 1996 | 59° | 50° | 55° | — | — |
| 1995 | 67° | 47° | 57° | — | — |
| 1994 | 78° | 53° | 66° | — | — |
| 1993 | 70° | 46° | 58° | — | — |
| 1992 | 65° | 44° | 54° | — | — |
| 1991 | 73° | 52° | 62° | — | — |
| 1990coldest | 50° | 40° | 45° | — | — |
| 1989 | 67° | 52° | 59° | — | — |
| 1988 | 63° | 51° | 57° | 1.04" | — |
| 1987 | 70° | 47° | 58° | — | — |
| 1986 | 74° | 48° | 61° | — | — |
| 1985 | 82° | 53° | 68° | — | — |
| 1984 | 63° | 42° | 52° | — | — |
| 1983 | 64° | 45° | 54° | — | — |
| 1982 | 58° | 57° | 57° | — | — |
| 1981 | 68° | 56° | 62° | — | — |
| 1980 | 77° | 54° | 65° | — | — |
| 1979 | 59° | 54° | 56° | 0.28" | — |
| 1978 | 66° | 40° | 53° | — | — |
| 1977 | 67° | 57° | 62° | 0.08" | — |
| 1976 | 73° | 51° | 62° | — | — |
| 1975 | 65° | 46° | 55° | — | — |
| 1974 | 69° | 50° | 60° | — | — |
| 1973 | 68° | 52° | 60° | 0.13" | — |
| 1972 | 82° | 56° | 69° | — | — |
| 1971 | 62° | 45° | 53° | — | — |
55 years of data from LOS ANGELES DOWNTOWN/USC