Weather on January 3
El Cajon, CA
55 Years of Data
Avg High
67°F
Avg Low
42°F
Warmest
2012
64°F avg
Coldest
1976
43°F avg
About This Date
January 3rd in El Cajon, CA typically brings mild winter weather, with average highs around 67°F and lows near 42°F. Over 56 years of records, the warmest January 3rd was in 2012 (64°F average), while the coldest was 1976 (43°F). Rain or other precipitation has occurred on about 27% of January 3rd dates historically.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for January 3rd in El Cajon, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 68° | 59° | 64° | 0.43" | — |
| 2025 | 72° | 44° | 58° | — | — |
| 2024 | 59° | 48° | 54° | 0.56" | — |
| 2023 | 57° | 51° | 54° | 0.18" | — |
| 2022 | 65° | 33° | 49° | — | — |
| 2021 | 68° | 39° | 54° | — | — |
| 2020 | 75° | 41° | 58° | — | — |
| 2019 | 67° | 30° | 48° | — | — |
| 2018 | 75° | 49° | 62° | — | — |
| 2017 | 61° | 47° | 54° | — | — |
| 2016 | 63° | 40° | 51° | — | — |
| 2015 | 64° | 36° | 50° | — | — |
| 2014 | 76° | 41° | 58° | — | — |
| 2013 | 74° | 32° | 53° | — | — |
| 2012warmest | 84° | 45° | 64° | — | — |
| 2011 | 61° | 35° | 48° | 1.27" | — |
| 2010 | 81° | 38° | 59° | — | — |
| 2009 | 58° | 50° | 54° | 0.05" | — |
| 2008 | 67° | 46° | 56° | — | — |
| 2007 | 72° | 51° | 61° | — | — |
| 2006 | 64° | 45° | 54° | — | — |
| 2005 | 59° | 44° | 52° | 0.51" | — |
| 2004 | 56° | 48° | 52° | — | — |
| 2003 | 84° | 40° | 62° | — | — |
| 2002 | 67° | 45° | 56° | — | — |
| 2001 | 77° | 48° | 63° | — | — |
| 2000 | 69° | 34° | 51° | — | — |
| 1999 | 79° | 37° | 58° | — | — |
| 1998 | 66° | 44° | 55° | 0.25" | — |
| 1997 | 64° | 59° | 62° | 0.97" | — |
| 1996 | 79° | 47° | 63° | — | — |
| 1995 | 57° | 45° | 51° | 1.04" | — |
| 1994 | 83° | 41° | 62° | — | — |
| 1993 | 57° | 35° | 46° | — | — |
| 1992 | 60° | 51° | 56° | 0.25" | — |
| 1991 | 61° | 51° | 56° | 1.6" | — |
| 1990 | 60° | 38° | 49° | — | — |
| 1989 | 63° | 39° | 51° | — | — |
| 1988 | 65° | 41° | 53° | — | — |
| 1987 | 65° | 37° | 51° | — | — |
| 1986 | 73° | 51° | 62° | — | — |
| 1985 | 71° | 34° | 52° | — | — |
| 1984 | 75° | 44° | 60° | — | — |
| 1983 | 69° | 28° | 49° | — | — |
| 1982 | 58° | 33° | 45° | 0.05" | — |
| 1981 | 64° | 50° | 57° | — | — |
| 1980 | 75° | 39° | 57° | — | — |
| 1979 | 71° | 42° | 57° | — | — |
| 1978 | 64° | 44° | 54° | 0.38" | — |
| 1977 | 61° | 50° | 55° | 2.21" | — |
| 1976coldest | 62° | 25° | 43° | — | — |
| 1975 | 63° | 28° | 45° | — | — |
| 1974 | 55° | 33° | 44° | — | — |
| 1973 | 60° | 39° | 50° | 0.1" | — |
| 1972 | 63° | 32° | 47° | — | — |
| 1971 | 58° | 33° | 45° | — | — |
56 years of data from GILLESPIE FLD