Weather on December 20
Garden Grove, CA
55 Years of Data
Avg High
69°F
Avg Low
46°F
Warmest
1999
67°F avg
Coldest
1992
50°F avg
About This Date
December 20th in Garden Grove, CA typically brings mild winter weather, with average highs around 69°F and lows near 46°F. Over 54 years of records, the warmest December 20th was in 1999 (67°F average), while the coldest was 1992 (50°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 3.78" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Garden Grove, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 55° | 62° | — | — |
| 2024 | 70° | 49° | 59° | — | — |
| 2023 | 68° | 50° | 59° | 0.15" | — |
| 2022 | 70° | 43° | 56° | — | — |
| 2021 | 68° | 44° | 56° | — | — |
| 2020 | 82° | 45° | 63° | — | — |
| 2019 | 79° | 45° | 62° | — | — |
| 2018 | 77° | 48° | 63° | — | — |
| 2017 | 65° | 47° | 56° | — | — |
| 2016 | 81° | 45° | 63° | — | — |
| 2015 | 63° | 46° | 54° | 0.56" | — |
| 2014 | 64° | 50° | 57° | — | — |
| 2013 | 63° | 44° | 53° | — | — |
| 2012 | 67° | 40° | 53° | — | — |
| 2011 | 71° | 45° | 58° | — | — |
| 2010 | 61° | 55° | 58° | 3.78" | — |
| 2009 | 79° | 52° | 65° | — | — |
| 2008 | 64° | 39° | 52° | — | — |
| 2007 | 64° | 50° | 57° | — | — |
| 2006 | 64° | 40° | 52° | — | — |
| 2005 | 78° | 50° | 64° | — | — |
| 2004 | 77° | 49° | 63° | — | — |
| 2003 | 65° | 50° | 57° | — | — |
| 2002 | 61° | 49° | 55° | 2.24" | — |
| 2001 | 64° | 44° | 54° | — | — |
| 2000 | 72° | 44° | 58° | — | — |
| 1999warmest | 83° | 52° | 67° | — | — |
| 1998 | 58° | 47° | 52° | 0.36" | — |
| 1997 | 69° | 46° | 58° | — | — |
| 1996 | 70° | 42° | 56° | — | — |
| 1995 | 66° | 48° | 57° | — | — |
| 1994 | 76° | 43° | 59° | — | — |
| 1993 | 68° | 46° | 57° | — | — |
| 1992coldest | 65° | 36° | 50° | — | — |
| 1991 | 74° | 48° | 61° | — | — |
| 1990 | 57° | 44° | 51° | — | — |
| 1989 | 66° | 44° | 55° | — | — |
| 1988 | 63° | 41° | 52° | — | — |
| 1987 | 68° | 43° | 55° | — | — |
| 1986 | 66° | 46° | 56° | 0.18" | — |
| 1985 | 79° | 47° | 63° | — | — |
| 1984 | 61° | 44° | 52° | 0.51" | — |
| 1983 | 64° | 50° | 57° | — | — |
| 1982 | 69° | 42° | 56° | — | — |
| 1981 | 69° | 51° | 60° | — | — |
| 1980 | 71° | 45° | 58° | — | — |
| 1979 | 68° | 45° | 56° | — | — |
| 1978 | 64° | 37° | 51° | — | — |
| 1977 | 71° | 48° | 60° | — | — |
| 1975 | 65° | 39° | 52° | — | — |
| 1974 | 69° | 41° | 55° | — | — |
| 1973 | 72° | 41° | 56° | — | — |
| 1972 | 81° | 49° | 65° | — | — |
| 1971 | 65° | 40° | 52° | — | — |
54 years of data from SANTA ANA FIRE STN