Weather on December 20
Long Beach, CA
55 Years of Data
Avg High
67°F
Avg Low
45°F
Warmest
2005
65°F avg
Coldest
1990
48°F avg
About This Date
December 20th in Long Beach, CA typically brings mild winter weather, with average highs around 67°F and lows near 45°F. Over 55 years of records, the warmest December 20th was in 2005 (65°F average), while the coldest was 1990 (48°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 20th dates historically, with the wettest December 20th recording 5.16" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Long Beach, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 54° | 59° | — | — |
| 2024 | 67° | 51° | 59° | — | — |
| 2023 | 67° | 61° | 64° | 0.74" | — |
| 2022 | 70° | 46° | 58° | — | — |
| 2021 | 66° | 41° | 54° | — | — |
| 2020 | 81° | 42° | 61° | — | — |
| 2019 | 76° | 45° | 60° | — | — |
| 2018 | 75° | 48° | 62° | — | — |
| 2017 | 61° | 46° | 53° | — | — |
| 2016 | 78° | 46° | 62° | — | — |
| 2015 | 63° | 43° | 53° | — | — |
| 2014 | 64° | 49° | 56° | — | — |
| 2013 | 60° | 42° | 51° | — | — |
| 2012 | 67° | 41° | 54° | — | — |
| 2011 | 66° | 44° | 55° | — | — |
| 2010 | 59° | 54° | 56° | 5.16" | — |
| 2009 | 72° | 49° | 60° | — | — |
| 2008 | 58° | 38° | 48° | — | — |
| 2007 | 62° | 52° | 57° | — | — |
| 2006 | 61° | 37° | 49° | — | — |
| 2005warmest | 79° | 52° | 65° | — | — |
| 2004 | 65° | 45° | 55° | — | — |
| 2003 | 63° | 50° | 56° | — | — |
| 2002 | 60° | 50° | 55° | 0.91" | — |
| 2001 | 61° | 44° | 52° | 0.05" | — |
| 2000 | 70° | 40° | 55° | — | — |
| 1999 | 80° | 46° | 63° | — | — |
| 1998 | 59° | 44° | 52° | 0.03" | — |
| 1997 | 66° | 43° | 54° | — | — |
| 1996 | 63° | 39° | 51° | — | — |
| 1995 | 65° | 48° | 56° | — | — |
| 1994 | 74° | 45° | 59° | — | — |
| 1993 | 69° | 43° | 56° | — | — |
| 1992 | 62° | 37° | 50° | — | — |
| 1991 | 75° | 45° | 60° | — | — |
| 1990coldest | 55° | 41° | 48° | — | — |
| 1989 | 67° | 44° | 55° | — | — |
| 1988 | 59° | 48° | 54° | 0.36" | — |
| 1987 | 66° | 40° | 53° | — | — |
| 1986 | 66° | 49° | 57° | — | — |
| 1985 | 80° | 47° | 63° | — | — |
| 1984 | 58° | 42° | 50° | — | — |
| 1983 | 64° | 47° | 55° | — | — |
| 1982 | 67° | 44° | 55° | — | — |
| 1981 | 66° | 52° | 59° | — | — |
| 1980 | 73° | 44° | 59° | — | — |
| 1979 | 67° | 41° | 54° | — | — |
| 1978 | 63° | 35° | 49° | — | — |
| 1977 | 70° | 56° | 63° | — | — |
| 1976 | 71° | 46° | 59° | — | — |
| 1975 | 70° | 41° | 55° | 0.05" | — |
| 1974 | 70° | 40° | 55° | — | — |
| 1973 | 73° | 39° | 56° | — | — |
| 1972 | 77° | 49° | 63° | — | — |
| 1971 | 62° | 38° | 50° | — | — |
55 years of data from LONG BEACH AQUARIUM