Kingshuk Mondal / CC BY 4.0
West Covina, CA Weather on August 12
August 12th in West Covina, CA typically brings hot summer weather, with average highs around 93°F and lows near 63°F — a 30°F daily swing. Over 55 years of records, the warmest August 12th was in 2012 (89°F average), while the coldest was 1977 (69°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 12th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on August 12
Planning for August 12th in West Covina, CA? Stay hydrated and seek shade during peak afternoon hours.
August 12 Weather Records for West Covina
- •The all-time record high for August 12th in West Covina, CA is 107°F, set in 2012.
- •The coldest August 12th on record dropped to 50°F in 2010.
- •Temperatures have reached 90°F or higher on August 12th in 38 of the last 55 years.
Frequently Asked Questions
What was the warmest August 12 ever in West Covina?
The warmest August 12 in West Covina, CA reached 107°F in 2012. That is 14°F above the long-term average high of 93°F.
What was the coldest August 12 ever in West Covina?
The coldest August 12 in West Covina, CA dropped to 50°F in 2010. That is 13°F below the long-term average low of 63°F.
What is the average temperature on August 12 in West Covina?
On August 12, West Covina averages a high of 93°F and a low of 63°F based on 55 years of NOAA weather observations from SANTA FE DAM CALIFORNIA.
How many years of weather data are available for August 12 in West Covina?
We have 55 years of weather records for August 12 in West Covina, 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 12 Weather History in West Covina
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 90°F | 64°F | -- | -- |
| 2024 | 97°F | 67°F | -- | -- |
| 2023 | 90°F | 62°F | -- | -- |
| 2022 | 100°F | 65°F | -- | -- |
| 2021 | 98°F | 67°F | -- | -- |
| 2020 | 98°F | 56°F | -- | -- |
| 2019 | 91°F | 61°F | -- | -- |
| 2018 | 93°F | 70°F | -- | -- |
| 2017 | 93°F | 63°F | -- | -- |
| 2016 | 92°F | 62°F | -- | -- |
| 2015 | 100°F | 60°F | -- | -- |
| 2014 | 93°F | 65°F | -- | -- |
| 2013 | 92°F | 57°F | -- | -- |
| 2012 | 107°F | 71°F | -- | -- |
| 2011 | 90°F | 60°F | -- | -- |
| 2010 | 91°F | 50°F | -- | -- |
| 2009 | 95°F | 56°F | -- | -- |
| 2008 | 96°F | 59°F | -- | -- |
| 2007 | 98°F | 60°F | -- | -- |
| 2006 | 94°F | 61°F | -- | -- |
| 2005 | 89°F | 61°F | -- | -- |
| 2004 | 92°F | 65°F | -- | -- |
| 2003 | 105°F | 64°F | -- | -- |
| 2002 | 89°F | 61°F | -- | -- |
| 2001 | 88°F | 61°F | -- | -- |
| 2000 | 97°F | 63°F | -- | -- |
| 1999 | 92°F | 57°F | -- | -- |
| 1998 | 104°F | 70°F | -- | -- |
| 1997 | 87°F | 60°F | -- | -- |
| 1996 | 101°F | 65°F | -- | -- |
| 1995 | 99°F | 61°F | -- | -- |
| 1994 | 106°F | 68°F | -- | -- |
| 1993 | 86°F | 57°F | -- | -- |
| 1992 | 97°F | 68°F | 0" | -- |
| 1991 | 93°F | 68°F | 0" | -- |
| 1990 | 95°F | 69°F | 0" | -- |
| 1989 | 91°F | 66°F | 0" | -- |
| 1988 | 83°F | 60°F | 0" | -- |
| 1987 | 87°F | 61°F | 0" | -- |
| 1986 | 92°F | 60°F | 0" | -- |
| 1985 | 82°F | 61°F | 0" | -- |
| 1984 | 93°F | 67°F | 0" | -- |
| 1983 | 96°F | 65°F | 0" | -- |
| 1982 | 85°F | 64°F | 0" | -- |
| 1981 | 88°F | 67°F | 0" | -- |
| 1980 | 93°F | 69°F | 0" | -- |
| 1979 | 84°F | 64°F | 0" | -- |
| 1978 | 85°F | 65°F | 0" | -- |
| 1977 | 88°F | 51°F | 0" | -- |
| 1976 | 92°F | 55°F | 0" | -- |
| 1975 | 85°F | 61°F | 0" | -- |
| 1974 | 82°F | 59°F | 0" | -- |
| 1973 | 88°F | 61°F | 0" | -- |
| 1972 | 84°F | 67°F | 0.41" | -- |
| 1971 | 92°F | 66°F | 0" | -- |
Based on 55 years of data from NOAA station: SANTA FE DAM CALIFORNIA
Monthly Climate Averages
Historical temperature and precipitation averages for West Covina, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.