W.carter / CC BY-SA 4.0
Santa Rosa, CA Weather on August 26
August 26th in Santa Rosa, CA typically brings warm summer weather, with average highs around 82°F and lows near 52°F — a 30°F daily swing. Over 55 years of records, the warmest August 26th was in 1988 (81°F average), while the coldest was 2011 (56°F) — a 25°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 26
Planning for August 26th in Santa Rosa, CA? Stay hydrated and seek shade during peak afternoon hours.
August 26 Weather Records for Santa Rosa
- •The all-time record high for August 26th in Santa Rosa, CA is 102°F, set in 2017.
- •The coldest August 26th on record dropped to 30°F in 2011.
- •Temperatures have reached 90°F or higher on August 26th in 13 of the last 55 years.
- •A freeze (32°F or below) has occurred on August 26th in 1 of the last 55 years.
- •Last year (1971), August 26th was 5°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest August 26 ever in Santa Rosa?
The warmest August 26 in Santa Rosa, CA reached 102°F in 2017. That is 20°F above the long-term average high of 82°F.
What was the coldest August 26 ever in Santa Rosa?
The coldest August 26 in Santa Rosa, CA dropped to 30°F in 2011. That is 22°F below the long-term average low of 52°F.
What is the average temperature on August 26 in Santa Rosa?
On August 26, Santa Rosa averages a high of 82°F and a low of 52°F based on 55 years of NOAA weather observations from SANTA ROSA.
How many years of weather data are available for August 26 in Santa Rosa?
We have 55 years of weather records for August 26 in Santa Rosa, 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 26 Weather History in Santa Rosa
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 83°F | 54°F | 0" | -- |
| 2024 | 94°F | 53°F | 0" | -- |
| 2023 | 82°F | 57°F | 0" | -- |
| 2022 | 87°F | 55°F | 0" | -- |
| 2021 | 91°F | 50°F | 0" | -- |
| 2020 | 79°F | 54°F | 0" | -- |
| 2019 | 92°F | 52°F | 0" | -- |
| 2018 | 79°F | 53°F | 0" | -- |
| 2017 | 102°F | 49°F | 0" | -- |
| 2016 | 71°F | 56°F | -- | -- |
| 2015 | 89°F | 55°F | -- | -- |
| 2014 | 78°F | 56°F | -- | -- |
| 2013 | 81°F | 57°F | -- | -- |
| 2012 | 75°F | 57°F | -- | -- |
| 2011 | 83°F | 30°F | 0" | -- |
| 2010 | 73°F | 55°F | 0" | -- |
| 2009 | 95°F | 49°F | 0" | -- |
| 2008 | 87°F | 52°F | 0" | -- |
| 2007 | 72°F | 53°F | 0" | -- |
| 2006 | 73°F | 54°F | 0" | -- |
| 2005 | 83°F | 48°F | 0" | -- |
| 2004 | 86°F | 52°F | 0" | -- |
| 2003 | 94°F | 55°F | 0" | -- |
| 2002 | 90°F | 50°F | 0" | -- |
| 2001 | 89°F | 52°F | 0" | -- |
| 2000 | 81°F | 53°F | 0" | -- |
| 1999 | 93°F | 62°F | 0" | -- |
| 1998 | 79°F | 53°F | 0" | -- |
| 1997 | 79°F | 56°F | 0" | -- |
| 1996 | 72°F | 53°F | 0" | -- |
| 1995 | 80°F | 48°F | 0" | -- |
| 1994 | 74°F | 53°F | 0" | -- |
| 1993 | 95°F | 56°F | 0" | -- |
| 1992 | 85°F | 50°F | 0" | -- |
| 1991 | 69°F | 49°F | 0" | -- |
| 1990 | 72°F | 59°F | 0" | -- |
| 1989 | 79°F | 53°F | 0" | -- |
| 1988 | 100°F | 62°F | 0" | -- |
| 1987 | 69°F | 50°F | 0" | -- |
| 1986 | 72°F | 48°F | 0" | -- |
| 1985 | 73°F | 50°F | 0" | -- |
| 1984 | 78°F | 54°F | 0" | -- |
| 1983 | 85°F | 52°F | 0" | -- |
| 1982 | 79°F | 49°F | 0" | -- |
| 1981 | 91°F | 50°F | 0" | -- |
| 1980 | 70°F | 49°F | 0" | -- |
| 1979 | 92°F | 55°F | 0" | -- |
| 1978 | 81°F | 47°F | 0" | -- |
| 1977 | 88°F | 50°F | 0" | -- |
| 1976 | 92°F | 52°F | 0" | -- |
| 1975 | 76°F | 52°F | 0" | -- |
| 1974 | 84°F | 52°F | 0" | -- |
| 1973 | 75°F | 48°F | 0" | -- |
| 1972 | 87°F | 55°F | 0" | -- |
| 1971 | 77°F | 56°F | 0" | -- |
Based on 55 years of data from NOAA station: SANTA ROSA
Monthly Climate Averages
Historical temperature and precipitation averages for Santa Rosa, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.