Weather on April 20
El Cajon, CA
55 Years of Data
Avg High
76°F
Avg Low
51°F
Warmest
2009
84°F avg
Coldest
1995
53°F avg
About This Date
April 20th in El Cajon, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 51°F. Over 55 years of records, the warmest April 20th was in 2009 (84°F average), while the coldest was 1995 (53°F). Rain or other precipitation has occurred on about 11% of April 20th dates historically.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 20th in El Cajon, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 46° | 62° | — | — |
| 2024 | 75° | 57° | 66° | — | — |
| 2023 | 81° | 47° | 64° | — | — |
| 2022 | 70° | 54° | 62° | — | — |
| 2021 | 70° | 53° | 61° | — | — |
| 2020 | 68° | 57° | 63° | — | — |
| 2019 | 70° | 57° | 63° | — | — |
| 2018 | 74° | 46° | 60° | — | — |
| 2017 | 80° | 52° | 66° | — | — |
| 2016 | 90° | 53° | 71° | — | — |
| 2015 | 73° | 58° | 65° | — | — |
| 2014 | 77° | 55° | 66° | — | — |
| 2013 | 86° | 44° | 65° | — | — |
| 2012 | 81° | 53° | 67° | — | — |
| 2011 | 72° | 56° | 64° | — | — |
| 2010 | 78° | 51° | 65° | — | — |
| 2009warmest | 102° | 67° | 84° | — | — |
| 2008 | 70° | 51° | 60° | — | — |
| 2007 | 64° | 49° | 56° | 0.76" | — |
| 2006 | 81° | 49° | 65° | — | — |
| 2005 | 74° | 45° | 59° | — | — |
| 2004 | 69° | 52° | 60° | — | — |
| 2003 | 78° | 46° | 62° | — | — |
| 2002 | 71° | 46° | 59° | — | — |
| 2001 | 84° | 50° | 67° | 1.27" | — |
| 2000 | 83° | 47° | 65° | — | — |
| 1999 | 79° | 71° | 75° | — | — |
| 1998 | 81° | 53° | 67° | — | — |
| 1997 | 83° | 57° | 70° | — | — |
| 1996 | 77° | 45° | 61° | — | — |
| 1995coldest | 63° | 44° | 53° | 0.05" | — |
| 1994 | 73° | 57° | 65° | — | — |
| 1993 | 87° | 52° | 69° | — | — |
| 1992 | 85° | 57° | 71° | — | — |
| 1991 | 69° | 53° | 61° | — | — |
| 1990 | 67° | 57° | 62° | — | — |
| 1989 | 84° | 55° | 70° | — | — |
| 1988 | 66° | 56° | 61° | 2.18" | — |
| 1987 | 85° | 47° | 66° | — | — |
| 1986 | 90° | 46° | 68° | — | — |
| 1985 | 67° | 53° | 60° | — | — |
| 1984 | 68° | 50° | 59° | — | — |
| 1983 | 73° | 53° | 63° | 0.97" | — |
| 1982 | 88° | 49° | 68° | — | — |
| 1981 | 66° | 48° | 57° | — | — |
| 1980 | 78° | 56° | 67° | — | — |
| 1979 | 78° | 44° | 61° | — | — |
| 1978 | 72° | 53° | 62° | — | — |
| 1977 | 80° | 50° | 65° | — | — |
| 1976 | 78° | 47° | 62° | — | — |
| 1975 | 74° | 41° | 57° | — | — |
| 1974 | 68° | 43° | 55° | — | — |
| 1973 | 68° | 44° | 56° | 0.25" | — |
| 1972 | 72° | 40° | 56° | — | — |
| 1971 | 63° | 50° | 56° | — | — |
55 years of data from GILLESPIE FLD