Weather on January 18
El Cajon, CA
55 Years of Data
Avg High
71°F
Avg Low
42°F
Warmest
2000
67°F avg
Coldest
1987
46°F avg
About This Date
January 18th in El Cajon, CA typically brings pleasant winter weather, with average highs around 71°F and lows near 42°F — a 29°F daily swing. Over 55 years of records, the warmest January 18th was in 2000 (67°F average), while the coldest was 1987 (46°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 15% of January 18th dates historically, with the wettest January 18th recording 3.3" 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 January 18th in El Cajon, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 81° | 41° | 61° | — | — |
| 2025 | 65° | 37° | 51° | — | — |
| 2024 | 71° | 44° | 58° | — | — |
| 2023 | 62° | 36° | 49° | — | — |
| 2022 | 66° | 54° | 60° | 0.3" | — |
| 2021 | 78° | 44° | 61° | — | — |
| 2020 | 75° | 38° | 56° | 0.03" | — |
| 2019 | 67° | 55° | 61° | 0.2" | — |
| 2018 | 80° | 47° | 63° | — | — |
| 2017 | 64° | 43° | 53° | — | — |
| 2016 | 65° | 52° | 58° | — | — |
| 2015 | 78° | 42° | 60° | — | — |
| 2014 | 82° | 39° | 61° | — | — |
| 2013 | 80° | 37° | 59° | — | — |
| 2012 | 67° | 34° | 50° | — | — |
| 2011 | 88° | 43° | 65° | — | — |
| 2010 | 62° | 48° | 55° | 3.3" | — |
| 2009 | 87° | 42° | 65° | — | — |
| 2008 | 69° | 34° | 51° | — | — |
| 2007 | 62° | 40° | 51° | — | — |
| 2006 | 67° | 38° | 52° | — | — |
| 2005 | 83° | 38° | 60° | — | — |
| 2004 | 67° | 46° | 56° | — | — |
| 2003 | 82° | 40° | 61° | — | — |
| 2002 | 67° | 35° | 51° | — | — |
| 2001 | 65° | 32° | 48° | — | — |
| 2000warmest | 80° | 54° | 67° | — | — |
| 1999 | 72° | 44° | 58° | — | — |
| 1998 | 67° | 51° | 59° | — | — |
| 1996 | 67° | 47° | 57° | — | — |
| 1995 | 64° | 36° | 50° | — | — |
| 1994 | 82° | 38° | 60° | — | — |
| 1993 | 65° | 50° | 57° | 2.11" | — |
| 1992 | 67° | 38° | 52° | — | — |
| 1991 | 71° | 39° | 55° | — | — |
| 1990 | 56° | 38° | 47° | — | — |
| 1989 | 80° | 36° | 58° | — | — |
| 1988 | 56° | 47° | 51° | 1.98" | — |
| 1987coldest | 63° | 30° | 46° | — | — |
| 1986 | 83° | 44° | 63° | — | — |
| 1985 | 68° | 37° | 53° | — | — |
| 1984 | 67° | 33° | 50° | — | — |
| 1983 | 69° | 41° | 55° | — | — |
| 1982 | 62° | 44° | 53° | — | — |
| 1981 | 77° | 44° | 61° | — | — |
| 1980 | 61° | 53° | 57° | 0.46" | — |
| 1979 | 58° | 46° | 52° | 0.15" | — |
| 1978 | 65° | 49° | 57° | — | — |
| 1977 | 76° | 42° | 59° | — | — |
| 1976 | 82° | 42° | 62° | — | — |
| 1975 | 84° | 37° | 61° | — | — |
| 1974 | 71° | 56° | 63° | — | — |
| 1973 | 64° | 37° | 51° | — | — |
| 1972 | 60° | 41° | 51° | — | — |
| 1971 | 88° | 44° | 66° | — | — |
55 years of data from GILLESPIE FLD