Weather on May 1
El Cajon, CA
55 Years of Data
Avg High
76°F
Avg Low
53°F
Warmest
2015
76°F avg
Coldest
2018
57°F avg
About This Date
May 1st in El Cajon, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 53°F. Over 55 years of records, the warmest May 1st was in 2015 (76°F average), while the coldest was 2018 (57°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 1st dates historically. The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
Planning for May 1st in El Cajon, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 57° | 63° | — | — |
| 2024 | 71° | 58° | 64° | — | — |
| 2023 | 63° | 53° | 58° | — | — |
| 2022 | 69° | 52° | 60° | — | — |
| 2021 | 79° | 56° | 67° | — | — |
| 2020 | 81° | 61° | 71° | — | — |
| 2019 | 71° | 57° | 64° | — | — |
| 2018coldest | 61° | 54° | 57° | 0.08" | — |
| 2017 | 84° | 53° | 69° | — | — |
| 2016 | 73° | 51° | 62° | — | — |
| 2015warmest | 94° | 59° | 76° | — | — |
| 2014 | 94° | 56° | 75° | — | — |
| 2013 | 76° | 60° | 68° | — | — |
| 2012 | 68° | 59° | 64° | — | — |
| 2011 | 84° | 47° | 65° | — | — |
| 2010 | 76° | 45° | 60° | — | — |
| 2009 | 82° | 53° | 68° | — | — |
| 2008 | 75° | 49° | 62° | — | — |
| 2007 | 64° | 57° | 61° | — | — |
| 2006 | 80° | 53° | 67° | — | — |
| 2005 | 74° | 54° | 64° | — | — |
| 2004 | 93° | 51° | 72° | — | — |
| 2003 | 73° | 47° | 60° | — | — |
| 2002 | 68° | 51° | 60° | — | — |
| 2001 | 80° | 55° | 68° | — | — |
| 2000 | 89° | 54° | 71° | — | — |
| 1999 | 73° | 43° | 58° | — | — |
| 1998 | 79° | 51° | 65° | — | — |
| 1997 | 75° | 59° | 67° | — | — |
| 1996 | 97° | 53° | 75° | — | — |
| 1995 | 78° | 54° | 66° | — | — |
| 1994 | 71° | 53° | 62° | — | — |
| 1993 | 85° | 58° | 71° | — | — |
| 1992 | 82° | 60° | 71° | — | — |
| 1991 | 74° | 47° | 60° | — | — |
| 1990 | 72° | 48° | 60° | — | — |
| 1989 | 80° | 46° | 63° | — | — |
| 1988 | 72° | 45° | 58° | — | — |
| 1987 | 72° | 56° | 64° | 0.03" | — |
| 1986 | 80° | 51° | 66° | — | — |
| 1985 | 81° | 51° | 66° | — | — |
| 1984 | 70° | 47° | 58° | — | — |
| 1983 | 67° | 50° | 58° | 0.33" | — |
| 1982 | 76° | 59° | 67° | — | — |
| 1981 | 78° | 59° | 69° | — | — |
| 1980 | 69° | 49° | 59° | — | — |
| 1979 | 69° | 56° | 62° | — | — |
| 1978 | 62° | 53° | 58° | 0.36" | — |
| 1977 | 74° | 53° | 63° | — | — |
| 1976 | 89° | 51° | 70° | — | — |
| 1975 | 70° | 55° | 62° | — | — |
| 1974 | 79° | 57° | 68° | — | — |
| 1973 | 75° | 48° | 62° | — | — |
| 1972 | 78° | 51° | 65° | — | — |
| 1971 | 68° | 53° | 61° | — | — |
55 years of data from GILLESPIE FLD