Weather on January 15
El Cajon, CA
55 Years of Data
Avg High
71°F
Avg Low
43°F
Warmest
2021
71°F avg
Coldest
2007
44°F avg
About This Date
January 15th 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 56 years of records, the warmest January 15th was in 2021 (71°F average), while the coldest was 2007 (44°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 16% of January 15th dates historically, with the wettest January 15th recording 4.39" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for January 15th in El Cajon, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 82° | 43° | 62° | — | — |
| 2025 | 72° | 32° | 52° | — | — |
| 2024 | 69° | 37° | 53° | — | — |
| 2023 | 59° | 51° | 55° | 3.53" | — |
| 2022 | 69° | 48° | 59° | 0.13" | — |
| 2021warmest | 93° | 48° | 71° | — | — |
| 2020 | 68° | 37° | 53° | — | — |
| 2019 | 63° | 51° | 57° | 0.58" | — |
| 2018 | 78° | 44° | 61° | — | — |
| 2017 | 63° | 44° | 53° | — | — |
| 2016 | 59° | 47° | 53° | — | — |
| 2015 | 76° | 41° | 58° | — | — |
| 2014 | 86° | 40° | 63° | — | — |
| 2013 | 63° | 28° | 45° | — | — |
| 2012 | 67° | 42° | 54° | 0.1" | — |
| 2011 | 80° | 43° | 61° | — | — |
| 2010 | 77° | 40° | 58° | — | — |
| 2009 | 88° | 40° | 64° | — | — |
| 2008 | 72° | 39° | 55° | — | — |
| 2007coldest | 62° | 26° | 44° | — | — |
| 2006 | 65° | 45° | 55° | — | — |
| 2005 | 73° | 37° | 55° | — | — |
| 2004 | 78° | 48° | 63° | — | — |
| 2003 | 84° | 37° | 61° | — | — |
| 2002 | 59° | 53° | 56° | — | — |
| 2001 | 61° | 45° | 53° | — | — |
| 2000 | 80° | 49° | 64° | — | — |
| 1999 | 82° | 40° | 61° | — | — |
| 1998 | 61° | 48° | 54° | — | — |
| 1997 | 65° | 47° | 56° | — | — |
| 1996 | 78° | 49° | 63° | — | — |
| 1995 | 64° | 54° | 59° | 0.28" | — |
| 1994 | 75° | 47° | 61° | — | — |
| 1993 | 63° | 58° | 60° | 1.91" | — |
| 1992 | 72° | 35° | 53° | — | — |
| 1991 | 78° | 42° | 60° | — | — |
| 1990 | 48° | 47° | 47° | — | — |
| 1989 | 66° | 29° | 47° | — | — |
| 1988 | 72° | 49° | 60° | — | — |
| 1987 | 60° | 45° | 52° | — | — |
| 1986 | 66° | 51° | 59° | — | — |
| 1985 | 70° | 36° | 53° | — | — |
| 1984 | 63° | 39° | 51° | — | — |
| 1983 | 76° | 43° | 59° | — | — |
| 1982 | 73° | 37° | 55° | — | — |
| 1981 | 73° | 45° | 59° | — | — |
| 1980 | 69° | 56° | 62° | 0.05" | — |
| 1979 | 69° | 41° | 55° | 1.37" | — |
| 1978 | 64° | 53° | 59° | 4.39" | — |
| 1977 | 70° | 34° | 52° | — | — |
| 1976 | 83° | 34° | 58° | — | — |
| 1975 | 81° | 36° | 58° | — | — |
| 1974 | 76° | 43° | 59° | — | — |
| 1973 | 70° | 47° | 58° | — | — |
| 1972 | 78° | 35° | 57° | — | — |
| 1971 | 74° | 33° | 53° | — | — |
56 years of data from GILLESPIE FLD