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El Monte, CA Weather on August 25
August 25th 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 25th was in 1985 (86°F average), while the coldest was 1978 (69°F) — a 17°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
What to Expect on August 25
Planning for August 25th in El Monte, CA? Stay hydrated and seek shade during peak afternoon hours.
August 25 Weather Records for El Monte
- •The all-time record high for August 25th in El Monte, CA is 106°F, set in 1985.
- •The coldest August 25th on record dropped to 54°F in 1978.
- •Temperatures have reached 90°F or higher on August 25th in 33 of the last 55 years.
Frequently Asked Questions
What was the warmest August 25 ever in El Monte?
The warmest August 25 in El Monte, CA reached 106°F in 1985. That is 16°F above the long-term average high of 90°F.
What was the coldest August 25 ever in El Monte?
The coldest August 25 in El Monte, CA dropped to 54°F in 1978. That is 9°F below the long-term average low of 63°F.
What is the average temperature on August 25 in El Monte?
On August 25, El Monte averages a high of 90°F and a low of 63°F based on 55 years of NOAA weather observations from SAN GABRIEL FIRE DEPT.
How many years of weather data are available for August 25 in El Monte?
We have 55 years of weather records for August 25 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.
August 25 Weather History in El Monte
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 91°F | 65°F | -- | -- |
| 2024 | 86°F | 60°F | -- | -- |
| 2023 | 88°F | 60°F | -- | -- |
| 2022 | 90°F | 65°F | -- | -- |
| 2021 | 91°F | 60°F | -- | -- |
| 2020 | 94°F | 65°F | -- | -- |
| 2019 | 95°F | 64°F | -- | -- |
| 2018 | 83°F | 63°F | -- | -- |
| 2017 | 82°F | 62°F | -- | -- |
| 2016 | 88°F | 59°F | -- | -- |
| 2015 | 93°F | 65°F | -- | -- |
| 2014 | 82°F | 64°F | -- | -- |
| 2013 | 89°F | 61°F | 0" | -- |
| 2012 | 81°F | 65°F | 0" | -- |
| 2011 | 99°F | 63°F | -- | -- |
| 2010 | 97°F | 69°F | 0" | -- |
| 2009 | 93°F | 63°F | 0" | -- |
| 2008 | 93°F | 68°F | 0" | -- |
| 2007 | 98°F | 65°F | 0" | -- |
| 2006 | 86°F | 64°F | 0" | -- |
| 2005 | 97°F | 65°F | 0" | -- |
| 2004 | 85°F | 61°F | 0" | -- |
| 2003 | 92°F | 64°F | 0" | -- |
| 2002 | 90°F | 56°F | 0" | -- |
| 2001 | 90°F | 60°F | 0" | -- |
| 2000 | 90°F | 67°F | 0" | -- |
| 1999 | 96°F | 64°F | 0" | -- |
| 1998 | 92°F | 66°F | 0" | -- |
| 1997 | 92°F | 65°F | 0" | -- |
| 1996 | 95°F | 62°F | 0" | -- |
| 1995 | 94°F | 57°F | 0" | -- |
| 1994 | 95°F | 59°F | 0" | -- |
| 1993 | 92°F | 61°F | 0" | -- |
| 1992 | 88°F | 63°F | 0" | -- |
| 1991 | 88°F | 63°F | 0" | -- |
| 1990 | 83°F | 60°F | 0" | -- |
| 1989 | 83°F | 60°F | 0" | -- |
| 1988 | 95°F | 69°F | 0" | -- |
| 1987 | 83°F | 61°F | 0" | -- |
| 1986 | 96°F | 60°F | 0" | -- |
| 1985 | 106°F | 66°F | 0" | -- |
| 1984 | 90°F | 66°F | 0" | -- |
| 1983 | 96°F | 59°F | 0" | -- |
| 1982 | 88°F | 65°F | 0" | -- |
| 1981 | 104°F | 66°F | 0" | -- |
| 1980 | 88°F | 61°F | 0" | -- |
| 1979 | 90°F | 64°F | 0" | -- |
| 1978 | 84°F | 54°F | 0" | -- |
| 1977 | 85°F | 60°F | 0" | -- |
| 1976 | 90°F | 59°F | 0" | -- |
| 1975 | 90°F | 55°F | 0" | -- |
| 1974 | 92°F | 61°F | 0" | -- |
| 1973 | 85°F | 61°F | 0" | -- |
| 1972 | 83°F | 63°F | 0" | -- |
| 1971 | 89°F | 66°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.