Weather on June 21
El Monte, CA
55 Years of Data
Avg High
84°F
Avg Low
59°F
Warmest
2008
86°F avg
Coldest
1982
62°F avg
About This Date
June 21st in El Monte, CA typically brings warm summer weather, with average highs around 84°F and lows near 59°F — a 25°F daily swing. Over 55 years of records, the warmest June 21st was in 2008 (86°F average), while the coldest was 1982 (62°F) — a 24°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 June 21st in El Monte, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 58° | 65° | — | — |
| 2024 | 87° | 56° | 71° | — | — |
| 2023 | 85° | 54° | 69° | — | — |
| 2022 | 87° | 64° | 76° | — | — |
| 2021 | 85° | 56° | 70° | — | — |
| 2020 | 81° | 59° | 70° | — | — |
| 2019 | 68° | 57° | 63° | — | — |
| 2018 | 81° | 60° | 70° | — | — |
| 2017 | 89° | 60° | 75° | — | — |
| 2016 | 95° | 67° | 81° | — | — |
| 2015 | 82° | 59° | 71° | — | — |
| 2014 | 84° | 65° | 74° | — | — |
| 2013 | 81° | 60° | 70° | — | — |
| 2012 | 77° | 62° | 70° | — | — |
| 2011 | 92° | 57° | 74° | — | — |
| 2010 | 85° | 42° | 63° | — | — |
| 2009 | 76° | 62° | 69° | — | — |
| 2008warmest | 101° | 71° | 86° | — | — |
| 2007 | 86° | 60° | 73° | — | — |
| 2006 | 83° | 60° | 71° | — | — |
| 2005 | 87° | 58° | 72° | — | — |
| 2004 | 79° | 62° | 70° | — | — |
| 2003 | 68° | 61° | 64° | — | — |
| 2002 | 80° | 61° | 70° | — | — |
| 2001 | 93° | 61° | 77° | — | — |
| 2000 | 85° | 60° | 72° | — | — |
| 1999 | 79° | 60° | 69° | — | — |
| 1998 | 82° | 57° | 70° | — | — |
| 1997 | 84° | 64° | 74° | — | — |
| 1996 | 82° | 63° | 72° | — | — |
| 1995 | 83° | 60° | 71° | — | — |
| 1994 | 89° | 57° | 73° | — | — |
| 1993 | 84° | 60° | 72° | — | — |
| 1992 | 88° | 60° | 74° | — | — |
| 1991 | 79° | 66° | 72° | — | — |
| 1990 | 87° | 64° | 76° | — | — |
| 1989 | 97° | 61° | 79° | — | — |
| 1988 | 82° | 54° | 68° | — | — |
| 1987 | 79° | 61° | 70° | — | — |
| 1986 | 89° | 60° | 75° | — | — |
| 1985 | 81° | 60° | 70° | — | — |
| 1984 | 83° | 57° | 70° | — | — |
| 1983 | 81° | 61° | 71° | — | — |
| 1982coldest | 69° | 56° | 62° | — | — |
| 1981 | 92° | 64° | 78° | — | — |
| 1980 | 85° | 55° | 70° | — | — |
| 1979 | 82° | 57° | 70° | — | — |
| 1978 | 95° | 61° | 78° | — | — |
| 1977 | 80° | 58° | 69° | — | — |
| 1976 | 84° | 55° | 70° | — | — |
| 1975 | 79° | 51° | 65° | — | — |
| 1974 | 87° | 55° | 71° | — | — |
| 1973 | 105° | 61° | 83° | — | — |
| 1972 | 85° | 61° | 73° | — | — |
| 1971 | 94° | 59° | 76° | — | — |
55 years of data from SAN GABRIEL FIRE DEPT