Weather on December 3
El Cajon, CA
55 Years of Data
Avg High
71°F
Avg Low
43°F
Warmest
2006
66°F avg
Coldest
1984
47°F avg
About This Date
December 3rd in El Cajon, CA typically brings pleasant winter weather, with average highs around 71°F and lows near 43°F — a 28°F daily swing. Over 53 years of records, the warmest December 3rd was in 2006 (66°F average), while the coldest was 1984 (47°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 3rd dates historically, with the wettest December 3rd recording 1.65" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for December 3rd in El Cajon, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 52° | 59° | — | — |
| 2024 | 71° | 43° | 57° | — | — |
| 2023 | 72° | 40° | 56° | — | — |
| 2022 | 70° | 45° | 57° | — | — |
| 2021 | 70° | 50° | 60° | — | — |
| 2020 | 74° | 46° | 60° | — | — |
| 2019 | 68° | 49° | 58° | — | — |
| 2018 | 72° | 39° | 55° | — | — |
| 2017 | 72° | 54° | 63° | — | — |
| 2016 | 72° | 37° | 54° | — | — |
| 2015 | 81° | 41° | 61° | — | — |
| 2014 | 67° | 61° | 64° | 1.45" | — |
| 2013 | 65° | 40° | 52° | — | — |
| 2012 | 69° | 54° | 61° | — | — |
| 2011 | 66° | 45° | 55° | — | — |
| 2010 | 73° | 41° | 57° | — | — |
| 2009 | 70° | 52° | 61° | — | — |
| 2008 | 72° | 51° | 61° | — | — |
| 2007 | 82° | 39° | 61° | — | — |
| 2006warmest | 75° | 58° | 66° | — | — |
| 2005 | 67° | 54° | 60° | — | — |
| 2004 | 69° | 31° | 50° | — | — |
| 2003 | 73° | 41° | 57° | — | — |
| 2000 | 72° | 38° | 55° | — | — |
| 1999 | 71° | 43° | 57° | — | — |
| 1998 | 65° | 47° | 56° | — | — |
| 1997 | — | 46° | — | — | — |
| 1996 | 76° | 36° | 56° | — | — |
| 1995 | 74° | 47° | 60° | — | — |
| 1994 | 63° | 39° | 51° | — | — |
| 1993 | 81° | 45° | 63° | — | — |
| 1992 | 66° | 45° | 55° | — | — |
| 1991 | 71° | 35° | 53° | — | — |
| 1990 | 81° | 37° | 59° | — | — |
| 1989 | — | 37° | — | — | — |
| 1988 | 73° | 34° | 53° | — | — |
| 1987 | 75° | 41° | 58° | — | — |
| 1986 | 81° | 40° | 60° | — | — |
| 1985 | 69° | 54° | 61° | 1.65" | — |
| 1984coldest | 56° | 39° | 47° | 0.2" | — |
| 1983 | 66° | 47° | 56° | 0.28" | — |
| 1982 | 69° | 40° | 54° | — | — |
| 1981 | 81° | 41° | 61° | — | — |
| 1980 | 66° | 45° | 55° | — | — |
| 1979 | 82° | 37° | 60° | — | — |
| 1978 | 66° | 34° | 50° | — | — |
| 1977 | 78° | 43° | 60° | — | — |
| 1976 | 78° | 34° | 56° | — | — |
| 1975 | 69° | 39° | 54° | — | — |
| 1974 | 64° | 43° | 53° | — | — |
| 1973 | 67° | 34° | 50° | — | — |
| 1972 | 67° | 46° | 56° | — | — |
| 1971 | 59° | 47° | 53° | 0.53" | — |
53 years of data from GILLESPIE FLD