Dietmar Rabich / CC BY-SA 4.0
El Monte, CA Weather on October 9
October 9th in El Monte, CA typically brings warm fall weather, with average highs around 84°F and lows near 58°F — a 26°F daily swing. Over 55 years of records, the warmest October 9th was in 2015 (90°F average), while the coldest was 2013 (58°F) — a 32°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.
What to Expect on October 9
Planning for October 9th in El Monte, CA? Stay hydrated and seek shade during peak afternoon hours.
October 9 Weather Records for El Monte
- •The all-time record high for October 9th in El Monte, CA is 104°F, set in 1991.
- •The coldest October 9th on record dropped to 48°F in 1973.
- •Temperatures have reached 90°F or higher on October 9th in 15 of the last 55 years.
- •Last year (1971), October 9th was 11°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest October 9 ever in El Monte?
The warmest October 9 in El Monte, CA reached 104°F in 1991. That is 20°F above the long-term average high of 84°F.
What was the coldest October 9 ever in El Monte?
The coldest October 9 in El Monte, CA dropped to 48°F in 1973. That is 10°F below the long-term average low of 58°F.
What is the average temperature on October 9 in El Monte?
On October 9, El Monte averages a high of 84°F and a low of 58°F based on 55 years of NOAA weather observations from SAN GABRIEL FIRE DEPT.
How many years of weather data are available for October 9 in El Monte?
We have 55 years of weather records for October 9 in El Monte, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
October 9 Weather History in El Monte
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 84°F | 56°F | -- | -- |
| 2024 | 86°F | 56°F | -- | -- |
| 2023 | 81°F | 57°F | -- | -- |
| 2022 | 82°F | 61°F | -- | -- |
| 2021 | 74°F | 54°F | -- | -- |
| 2020 | 79°F | 60°F | -- | -- |
| 2019 | 77°F | 56°F | -- | -- |
| 2018 | 75°F | 58°F | -- | -- |
| 2017 | 88°F | 59°F | -- | -- |
| 2016 | 96°F | 61°F | -- | -- |
| 2015 | 103°F | 78°F | -- | -- |
| 2014 | 81°F | 66°F | -- | -- |
| 2013 | 63°F | 54°F | -- | -- |
| 2012 | 76°F | 59°F | 0" | -- |
| 2011 | 88°F | 64°F | -- | -- |
| 2010 | 91°F | 61°F | -- | -- |
| 2009 | 77°F | 57°F | 0" | -- |
| 2008 | 81°F | 60°F | 0" | -- |
| 2007 | 80°F | 52°F | 0" | -- |
| 2006 | 73°F | 52°F | 0" | -- |
| 2005 | 74°F | 53°F | 0" | -- |
| 2004 | 79°F | 59°F | 0" | -- |
| 2003 | 81°F | 57°F | 0" | -- |
| 2002 | 91°F | 59°F | 0" | -- |
| 2001 | 73°F | 60°F | 0" | -- |
| 2000 | 76°F | 56°F | 0" | -- |
| 1999 | 101°F | 58°F | 0" | -- |
| 1998 | 85°F | 50°F | 0" | -- |
| 1997 | 83°F | 52°F | 0" | -- |
| 1996 | 90°F | 59°F | 0" | -- |
| 1995 | 83°F | 62°F | 0" | -- |
| 1994 | 97°F | 56°F | 0" | -- |
| 1993 | 79°F | 57°F | 0" | -- |
| 1992 | 90°F | 54°F | 0" | -- |
| 1991 | 104°F | 60°F | 0" | -- |
| 1990 | 96°F | 52°F | 0" | -- |
| 1989 | 86°F | 60°F | 0" | -- |
| 1988 | 101°F | 58°F | 0" | -- |
| 1987 | 80°F | 64°F | 0" | -- |
| 1986 | 77°F | 63°F | 0" | -- |
| 1985 | 75°F | 57°F | 0" | -- |
| 1984 | 84°F | 60°F | 0" | -- |
| 1983 | 84°F | 62°F | 0" | -- |
| 1982 | 90°F | 52°F | 0" | -- |
| 1981 | 78°F | 57°F | 0" | -- |
| 1980 | 83°F | 62°F | 0" | -- |
| 1979 | -- | 56°F | 0" | -- |
| 1978 | 91°F | 59°F | 0" | -- |
| 1977 | 85°F | 59°F | 0" | -- |
| 1976 | 100°F | 58°F | 0" | -- |
| 1975 | 76°F | 52°F | 0" | -- |
| 1974 | 77°F | 60°F | 0" | -- |
| 1973 | 75°F | 48°F | 0" | -- |
| 1972 | 73°F | 63°F | 0" | -- |
| 1971 | 95°F | 56°F | 0" | -- |
Based on 55 years of data from NOAA station: SAN GABRIEL FIRE DEPT
Monthly Climate Averages
Historical temperature and precipitation averages for El Monte, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.