Michael D Beckwith / CC BY 2.0
Irvine, CA Weather on August 25
August 25th in Irvine, CA typically brings warm summer weather, with average highs around 88°F and lows near 61°F — a 27°F daily swing. Over 55 years of records, the warmest August 25th was in 1995 (82°F average), while the coldest was 1982 (67°F) — a 15°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 August 25
Planning for August 25th in Irvine, CA? Stay hydrated and seek shade during peak afternoon hours.
August 25 Weather Records for Irvine
- •The all-time record high for August 25th in Irvine, CA is 104°F, set in 1981.
- •The coldest August 25th on record dropped to 51°F in 1975.
- •Temperatures have reached 90°F or higher on August 25th in 20 of the last 55 years.
Frequently Asked Questions
What was the warmest August 25 ever in Irvine?
The warmest August 25 in Irvine, CA reached 104°F in 1981. That is 16°F above the long-term average high of 88°F.
What was the coldest August 25 ever in Irvine?
The coldest August 25 in Irvine, CA dropped to 51°F in 1975. That is 10°F below the long-term average low of 61°F.
What is the average temperature on August 25 in Irvine?
On August 25, Irvine averages a high of 88°F and a low of 61°F based on 55 years of NOAA weather observations from IRVINE RCH.
How many years of weather data are available for August 25 in Irvine?
We have 55 years of weather records for August 25 in Irvine, 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 Irvine
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 89°F | 65°F | 0" | -- |
| 2024 | 85°F | 59°F | 0" | -- |
| 2023 | 83°F | 58°F | 0" | -- |
| 2022 | 91°F | 66°F | 0" | -- |
| 2021 | 89°F | 61°F | 0" | -- |
| 2020 | 94°F | 65°F | 0" | -- |
| 2019 | 95°F | 65°F | 0" | -- |
| 2018 | 86°F | 65°F | 0" | -- |
| 2017 | 83°F | 62°F | 0" | -- |
| 2016 | 87°F | 67°F | 0" | -- |
| 2015 | 93°F | 65°F | 0" | -- |
| 2014 | 87°F | 62°F | 0" | -- |
| 2013 | 94°F | 56°F | 0" | -- |
| 2012 | 85°F | 62°F | 0" | -- |
| 2011 | 97°F | 56°F | 0" | -- |
| 2010 | 101°F | 60°F | 0" | -- |
| 2009 | 95°F | 58°F | 0" | -- |
| 2008 | 94°F | 60°F | 0" | -- |
| 2007 | 86°F | 63°F | 0" | -- |
| 2006 | 89°F | 61°F | 0" | -- |
| 2005 | 101°F | 62°F | 0" | -- |
| 2004 | 86°F | 57°F | 0" | -- |
| 2003 | 90°F | 62°F | 0" | -- |
| 2002 | 85°F | 52°F | 0" | -- |
| 2001 | 84°F | 60°F | 0" | -- |
| 2000 | 82°F | 66°F | 0" | -- |
| 1999 | 96°F | 63°F | 0" | -- |
| 1998 | 90°F | 66°F | 0" | -- |
| 1997 | 96°F | 63°F | 0" | -- |
| 1996 | 96°F | 64°F | 0" | -- |
| 1995 | 93°F | 71°F | -- | -- |
| 1994 | 89°F | 59°F | 0" | -- |
| 1993 | 89°F | 62°F | 0" | -- |
| 1992 | 84°F | 56°F | 0" | -- |
| 1991 | 82°F | 59°F | 0" | -- |
| 1990 | 78°F | 57°F | 0" | -- |
| 1989 | 79°F | 59°F | 0" | -- |
| 1988 | 91°F | 67°F | 0" | -- |
| 1987 | 78°F | 62°F | 0" | -- |
| 1986 | 82°F | 57°F | 0" | -- |
| 1985 | 101°F | 62°F | 0" | -- |
| 1984 | 83°F | 67°F | 0" | -- |
| 1983 | 84°F | 60°F | 0" | -- |
| 1982 | 81°F | 54°F | 0" | -- |
| 1981 | 104°F | 58°F | 0" | -- |
| 1980 | 83°F | 58°F | 0" | -- |
| 1979 | 90°F | 54°F | 0" | -- |
| 1978 | 81°F | 55°F | 0" | -- |
| 1977 | 84°F | 59°F | 0" | -- |
| 1976 | 88°F | 53°F | 0" | -- |
| 1975 | 84°F | 51°F | 0" | -- |
| 1974 | 81°F | 57°F | 0" | -- |
| 1973 | 81°F | 56°F | 0" | -- |
| 1972 | 75°F | 64°F | 0" | -- |
| 1971 | 86°F | 62°F | 0" | -- |
Based on 55 years of data from NOAA station: IRVINE RCH
Monthly Climate Averages
Historical temperature and precipitation averages for Irvine, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.