Weather on April 20
El Monte, CA
55 Years of Data
Avg High
77°F
Avg Low
51°F
Warmest
2009
80°F avg
Coldest
1972
55°F avg
About This Date
April 20th in El Monte, CA typically brings pleasant spring weather, with average highs around 77°F and lows near 51°F — a 26°F daily swing. Over 55 years of records, the warmest April 20th was in 2009 (80°F average), while the coldest was 1972 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 7% of April 20th dates historically, with the wettest April 20th recording 4.14" 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 April 20th in El Monte, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 52° | 63° | — | — |
| 2024 | 72° | 52° | 62° | — | — |
| 2023 | 79° | 53° | 66° | — | — |
| 2022 | 70° | 51° | 60° | — | — |
| 2021 | 72° | 52° | 62° | — | — |
| 2020 | 66° | 52° | 59° | — | — |
| 2019 | 70° | 52° | 61° | — | — |
| 2018 | 76° | 49° | 62° | — | — |
| 2017 | 78° | 52° | 65° | — | — |
| 2016 | 87° | 63° | 75° | — | — |
| 2015 | 74° | 50° | 62° | — | — |
| 2014 | 79° | 57° | 68° | — | — |
| 2013 | 87° | 53° | 70° | — | — |
| 2012 | 91° | 56° | 73° | — | — |
| 2011 | 68° | 52° | 60° | — | — |
| 2010 | 69° | 55° | 62° | — | — |
| 2009warmest | 99° | 62° | 80° | — | — |
| 2008 | 65° | 51° | 58° | — | — |
| 2007 | 56° | — | — | 1.45" | — |
| 2006 | 84° | 53° | 69° | — | — |
| 2005 | 70° | 51° | 60° | — | — |
| 2004 | 73° | 44° | 59° | — | — |
| 2003 | 82° | 48° | 65° | — | — |
| 2002 | 72° | 45° | 58° | — | — |
| 2001 | 65° | 50° | 57° | — | — |
| 2000 | 83° | 48° | 65° | — | — |
| 1999 | 88° | 53° | 70° | — | — |
| 1998 | 93° | 50° | 72° | — | — |
| 1997 | 84° | 56° | 70° | — | — |
| 1996 | 74° | 47° | 60° | — | — |
| 1995 | 68° | 46° | 57° | — | — |
| 1994 | 87° | 57° | 72° | — | — |
| 1993 | 92° | 53° | 72° | — | — |
| 1992 | 88° | 53° | 70° | — | — |
| 1991 | 71° | 49° | 60° | — | — |
| 1990 | 75° | 58° | 66° | — | — |
| 1989 | 83° | 57° | 70° | — | — |
| 1988 | 65° | 50° | 57° | 3.68" | — |
| 1987 | 88° | 47° | 67° | — | — |
| 1986 | 93° | 51° | 72° | — | — |
| 1985 | 65° | 47° | 56° | — | — |
| 1984 | 76° | 51° | 63° | — | — |
| 1983 | 69° | 51° | 60° | 4.14" | — |
| 1982 | 90° | 50° | 70° | — | — |
| 1981 | 72° | 47° | 59° | 0.03" | — |
| 1980 | 85° | 51° | 68° | — | — |
| 1979 | 79° | 45° | 62° | — | — |
| 1978 | 75° | 47° | 61° | — | — |
| 1977 | 84° | 45° | 64° | — | — |
| 1976 | 87° | 49° | 68° | — | — |
| 1975 | 79° | 44° | 61° | — | — |
| 1974 | 70° | 46° | 58° | — | — |
| 1973 | 72° | 44° | 58° | — | — |
| 1972coldest | 72° | 39° | 55° | — | — |
| 1971 | 63° | 50° | 56° | — | — |
55 years of data from SAN GABRIEL FIRE DEPT