Weather on December 15
South Gate, CA
55 Years of Data
Avg High
69°F
Avg Low
48°F
Warmest
1998
71°F avg
Coldest
2021
48°F avg
About This Date
December 15th in South Gate, CA typically brings mild winter weather, with average highs around 69°F and lows near 48°F. Over 55 years of records, the warmest December 15th was in 1998 (71°F average), while the coldest was 2021 (48°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 11% of December 15th dates historically, with the wettest December 15th recording 4.52" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for December 15th in South Gate, CA? Great weather for outdoor activities.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 47° | 60° | — | — |
| 2024 | 65° | 45° | 55° | — | — |
| 2023 | 79° | 55° | 67° | — | — |
| 2022 | 63° | 45° | 54° | — | — |
| 2021coldest | 57° | 39° | 48° | — | — |
| 2020 | 70° | 47° | 58° | — | — |
| 2019 | 64° | 53° | 59° | — | — |
| 2018 | 72° | 47° | 59° | — | — |
| 2017 | 81° | 50° | 65° | — | — |
| 2016 | 65° | 54° | 59° | 1.09" | — |
| 2015 | 61° | 42° | 51° | — | — |
| 2014 | 65° | 47° | 56° | — | — |
| 2013 | 80° | 44° | 62° | — | — |
| 2012 | 62° | 45° | 53° | — | — |
| 2011 | 58° | 43° | 50° | 0.1" | — |
| 2010 | 61° | 54° | 57° | — | — |
| 2009 | 71° | 50° | 61° | — | — |
| 2008 | 55° | 48° | 52° | 4.52" | — |
| 2007 | 69° | 45° | 57° | — | — |
| 2006 | 67° | 53° | 60° | — | — |
| 2005 | 63° | 50° | 56° | — | — |
| 2004 | 81° | 53° | 67° | — | — |
| 2003 | 67° | 42° | 54° | — | — |
| 2002 | 65° | 55° | 60° | 0.08" | — |
| 2001 | 62° | 46° | 54° | — | — |
| 2000 | 64° | 47° | 55° | — | — |
| 1999 | 70° | 42° | 56° | — | — |
| 1998warmest | 85° | 57° | 71° | — | — |
| 1997 | 69° | 52° | 60° | — | — |
| 1996 | 73° | 48° | 61° | — | — |
| 1995 | 71° | 54° | 62° | — | — |
| 1994 | 68° | 50° | 59° | — | — |
| 1993 | 64° | 43° | 53° | — | — |
| 1992 | 62° | 44° | 53° | — | — |
| 1991 | 77° | 54° | 65° | — | — |
| 1990 | 61° | 45° | 53° | — | — |
| 1989 | 70° | 51° | 60° | — | — |
| 1988 | 56° | 52° | 54° | 2.24" | — |
| 1987 | 57° | 41° | 49° | — | — |
| 1986 | 68° | 50° | 59° | — | — |
| 1985 | 74° | 51° | 62° | — | — |
| 1984 | 58° | 43° | 50° | 1.02" | — |
| 1983 | 72° | 52° | 62° | — | — |
| 1982 | 70° | 48° | 59° | — | — |
| 1981 | 77° | 55° | 66° | — | — |
| 1980 | 85° | 48° | 66° | — | — |
| 1979 | 78° | 50° | 64° | — | — |
| 1978 | 68° | 46° | 57° | — | — |
| 1977 | 65° | 53° | 59° | — | — |
| 1976 | 80° | 50° | 65° | — | — |
| 1975 | 70° | 37° | 53° | — | — |
| 1974 | 73° | 50° | 62° | — | — |
| 1973 | 80° | 50° | 65° | — | — |
| 1972 | 70° | 44° | 57° | — | — |
| 1971 | 60° | 44° | 52° | — | — |
55 years of data from LOS ANGELES DOWNTOWN/USC