Weather on January 21
El Cajon, CA
55 Years of Data
Avg High
67°F
Avg Low
44°F
Warmest
1976
71°F avg
Coldest
1973
45°F avg
About This Date
January 21st in El Cajon, CA typically brings mild winter weather, with average highs around 67°F and lows near 44°F. Over 56 years of records, the warmest January 21st was in 1976 (71°F average), while the coldest was 1973 (45°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 21% of January 21st dates historically, with the wettest January 21st 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 January 21st 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 |
|---|---|---|---|---|---|
| 2026 | 69° | 45° | 57° | — | — |
| 2025 | 74° | 35° | 54° | — | — |
| 2024 | 61° | 55° | 58° | 0.51" | — |
| 2023 | 65° | 34° | 49° | — | — |
| 2022 | 67° | 42° | 54° | — | — |
| 2021 | 70° | 50° | 60° | 0.28" | — |
| 2020 | 59° | 52° | 55° | 0.51" | — |
| 2019 | 62° | 53° | 58° | 0.1" | — |
| 2018 | 64° | 40° | 52° | — | — |
| 2017 | 61° | 49° | 55° | 0.43" | — |
| 2016 | 75° | 49° | 62° | — | — |
| 2015 | 75° | 51° | 63° | — | — |
| 2014 | 78° | 43° | 60° | — | — |
| 2013 | 79° | 35° | 57° | — | — |
| 2012 | 59° | 51° | 55° | 0.41" | — |
| 2011 | 76° | 37° | 56° | — | — |
| 2010 | 60° | 50° | 55° | 5.08" | — |
| 2009 | 77° | 54° | 65° | — | — |
| 2008 | 55° | 47° | 51° | — | — |
| 2007 | 66° | 45° | 55° | — | — |
| 2006 | 69° | 33° | 51° | — | — |
| 2005 | 74° | 51° | 62° | — | — |
| 2004 | 63° | 46° | 54° | — | — |
| 2003 | 72° | 48° | 60° | — | — |
| 2002 | 60° | 43° | 51° | — | — |
| 2001 | 75° | 33° | 54° | — | — |
| 2000 | 69° | 56° | 62° | — | — |
| 1999 | 67° | 54° | 60° | 0.13" | — |
| 1998 | 65° | 41° | 53° | — | — |
| 1997 | 65° | 43° | 54° | — | — |
| 1996 | 68° | 43° | 55° | — | — |
| 1995 | 60° | 48° | 54° | 0.38" | — |
| 1994 | 78° | 40° | 59° | — | — |
| 1993 | 68° | 48° | 58° | — | — |
| 1992 | 67° | 37° | 52° | — | — |
| 1991 | 66° | 44° | 55° | — | — |
| 1990 | 69° | 38° | 53° | — | — |
| 1989 | 78° | 49° | 63° | — | — |
| 1988 | 66° | 31° | 48° | — | — |
| 1987 | 67° | 29° | 48° | — | — |
| 1986 | 67° | 48° | 57° | — | — |
| 1985 | 61° | 48° | 54° | — | — |
| 1984 | 69° | 38° | 53° | — | — |
| 1983 | 61° | 36° | 48° | — | — |
| 1982 | 55° | 47° | 51° | 2.34" | — |
| 1981 | 77° | 42° | 60° | — | — |
| 1980 | 66° | 36° | 51° | — | — |
| 1979 | 63° | 38° | 50° | — | — |
| 1978 | 68° | 43° | 55° | — | — |
| 1977 | 68° | 46° | 57° | 0.05" | — |
| 1976warmest | 79° | 64° | 71° | — | — |
| 1975 | 70° | 36° | 53° | — | — |
| 1974 | 62° | 51° | 57° | 0.08" | — |
| 1973coldest | 58° | 32° | 45° | — | — |
| 1972 | 62° | 40° | 51° | — | — |
| 1971 | 60° | 51° | 56° | — | — |
56 years of data from GILLESPIE FLD