Weather on December 15
El Cajon, CA
55 Years of Data
Avg High
69°F
Avg Low
41°F
Warmest
2017
62°F avg
Coldest
1987
42°F avg
About This Date
December 15th in El Cajon, CA typically brings mild winter weather, with average highs around 69°F and lows near 41°F — a 28°F daily swing. Over 55 years of records, the warmest December 15th was in 2017 (62°F average), while the coldest was 1987 (42°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 15th dates historically, with the wettest December 15th recording 5.08" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 15th in El Cajon, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 47° | 60° | — | — |
| 2024 | 69° | 42° | 56° | — | — |
| 2023 | 82° | 37° | 60° | — | — |
| 2022 | 63° | 37° | 50° | — | — |
| 2021 | 59° | 41° | 50° | 0.18" | — |
| 2020 | 72° | 39° | 55° | — | — |
| 2019 | 63° | 52° | 57° | — | — |
| 2018 | 77° | 46° | 62° | — | — |
| 2017warmest | 82° | 41° | 62° | — | — |
| 2016 | 73° | 47° | 60° | — | — |
| 2015 | 61° | 35° | 48° | — | — |
| 2014 | 65° | 44° | 54° | — | — |
| 2013 | 78° | 42° | 60° | — | — |
| 2012 | 59° | 49° | 54° | 0.89" | — |
| 2011 | 59° | 38° | 48° | — | — |
| 2010 | 62° | 48° | 55° | — | — |
| 2009 | 74° | 39° | 56° | — | — |
| 2008 | 53° | 44° | 49° | 5.08" | — |
| 2007 | 72° | 36° | 54° | — | — |
| 2006 | 67° | 46° | 56° | — | — |
| 2005 | 66° | 41° | 54° | — | — |
| 2004 | 79° | 44° | 61° | — | — |
| 2003 | 69° | 43° | 56° | — | — |
| 2002 | 70° | 49° | 59° | — | — |
| 2001 | 61° | 37° | 49° | 0.05" | — |
| 2000 | 64° | 45° | 54° | — | — |
| 1999 | 75° | 35° | 55° | — | — |
| 1998 | 73° | 43° | 58° | 0.03" | — |
| 1997 | 71° | 45° | 58° | — | — |
| 1996 | 79° | 43° | 61° | — | — |
| 1995 | 73° | 43° | 58° | — | — |
| 1994 | 63° | 37° | 50° | — | — |
| 1993 | 60° | 51° | 56° | 1.45" | — |
| 1992 | 61° | 34° | 47° | — | — |
| 1991 | 79° | 37° | 58° | — | — |
| 1990 | 62° | 40° | 51° | — | — |
| 1989 | 69° | 42° | 56° | — | — |
| 1988 | 63° | 54° | 58° | 0.28" | — |
| 1987coldest | 55° | 28° | 42° | — | — |
| 1986 | 68° | 49° | 58° | — | — |
| 1985 | 69° | 35° | 52° | — | — |
| 1984 | 60° | 33° | 47° | — | — |
| 1983 | 76° | 39° | 57° | — | — |
| 1982 | 70° | 42° | 56° | — | — |
| 1981 | 79° | 41° | 60° | — | — |
| 1980 | 85° | 36° | 60° | — | — |
| 1979 | 80° | 31° | 55° | — | — |
| 1978 | 68° | 36° | 52° | — | — |
| 1977 | 70° | 48° | 59° | — | — |
| 1976 | 79° | 36° | 57° | — | — |
| 1975 | 66° | 30° | 48° | — | — |
| 1974 | 73° | 36° | 54° | — | — |
| 1973 | 73° | 39° | 56° | — | — |
| 1972 | 68° | 29° | 48° | — | — |
| 1971 | 58° | 38° | 48° | — | — |
55 years of data from GILLESPIE FLD