Weather on August 9
El Monte, CA
55 Years of Data
Avg High
90°F
Avg Low
63°F
Warmest
1983
85°F avg
Coldest
2010
67°F avg
About This Date
August 9th in El Monte, CA typically brings hot summer weather, with average highs around 90°F and lows near 63°F — a 27°F daily swing. Over 55 years of records, the warmest August 9th was in 1983 (85°F average), while the coldest was 2010 (67°F) — a 18°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 August 9th in El Monte, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 61° | 74° | — | — |
| 2024 | 91° | 61° | 76° | — | — |
| 2023 | 87° | 63° | 75° | — | — |
| 2022 | 97° | 71° | 84° | — | — |
| 2021 | 89° | 61° | 75° | — | — |
| 2020 | 88° | 58° | 73° | — | — |
| 2019 | 88° | 59° | 73° | — | — |
| 2018 | 99° | 72° | 85° | — | — |
| 2017 | 89° | 61° | 75° | — | — |
| 2016 | 90° | 64° | 77° | — | — |
| 2015 | 81° | 59° | 70° | — | — |
| 2014 | 85° | 68° | 76° | — | — |
| 2013 | 80° | 59° | 70° | — | — |
| 2012 | 96° | 71° | 84° | — | — |
| 2011 | 87° | 58° | 72° | — | — |
| 2010coldest | 82° | 52° | 67° | — | — |
| 2009 | 82° | 62° | 72° | — | — |
| 2008 | 86° | 66° | 76° | — | — |
| 2007 | 86° | 59° | 73° | — | — |
| 2006 | 93° | 63° | 78° | — | — |
| 2005 | 88° | 67° | 77° | — | — |
| 2004 | 93° | 64° | 79° | — | — |
| 2003 | 102° | 63° | 82° | — | — |
| 2002 | 95° | 59° | 77° | — | — |
| 2001 | 90° | 62° | 76° | — | — |
| 2000 | 91° | 62° | 77° | — | — |
| 1999 | 82° | 56° | 69° | — | — |
| 1998 | 100° | 66° | 83° | — | — |
| 1997 | 85° | 67° | 76° | — | — |
| 1996 | 93° | 62° | 78° | — | — |
| 1995 | 92° | 65° | 78° | — | — |
| 1994 | 98° | 65° | 81° | — | — |
| 1993 | 91° | 67° | 79° | — | — |
| 1992 | 94° | 66° | 80° | — | — |
| 1991 | 94° | 62° | 78° | — | — |
| 1990 | 90° | 68° | 79° | — | — |
| 1989 | — | 64° | — | — | — |
| 1988 | 86° | 59° | 73° | — | — |
| 1987 | 89° | 59° | 74° | — | — |
| 1986 | 90° | 61° | 75° | — | — |
| 1985 | 87° | 63° | 75° | — | — |
| 1984 | 89° | 65° | 77° | — | — |
| 1983warmest | 96° | 73° | 85° | — | — |
| 1982 | 95° | 63° | 79° | — | — |
| 1981 | 92° | 63° | 77° | — | — |
| 1980 | 95° | 62° | 79° | — | — |
| 1979 | 95° | 63° | 79° | — | — |
| 1978 | 90° | 66° | 78° | — | — |
| 1977 | 88° | 57° | 72° | — | — |
| 1976 | 88° | 54° | 71° | — | — |
| 1975 | 89° | 63° | 76° | — | — |
| 1974 | 82° | 64° | 73° | — | — |
| 1973 | 89° | 57° | 73° | — | — |
| 1972 | 88° | 64° | 76° | — | — |
| 1971 | 98° | 68° | 83° | — | — |
55 years of data from SAN GABRIEL FIRE DEPT