Weather on August 9
San Ramon, CA
55 Years of Data
Avg High
87°F
Avg Low
60°F
Warmest
2004
95°F avg
Coldest
2013
60°F avg
About This Date
August 9th in San Ramon, CA typically brings warm summer weather, with average highs around 87°F and lows near 60°F — a 27°F daily swing. Over 55 years of records, the warmest August 9th was in 2004 (95°F average), while the coldest was 2013 (60°F) — a 35°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for August 9th in San Ramon, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 75° | 84° | — | — |
| 2024 | 85° | 62° | 73° | — | — |
| 2023 | 77° | 59° | 68° | — | — |
| 2022 | 76° | 63° | 69° | — | — |
| 2021 | 81° | 65° | 73° | — | — |
| 2020 | 84° | 68° | 76° | — | — |
| 2019 | 68° | 51° | 60° | — | — |
| 2018 | 87° | 66° | 77° | — | — |
| 2017 | 81° | 63° | 72° | — | — |
| 2016 | 81° | 55° | 68° | — | — |
| 2015 | 74° | 56° | 65° | — | — |
| 2014 | 85° | 57° | 71° | — | — |
| 2013coldest | 71° | 48° | 60° | — | — |
| 2012 | 94° | 62° | 78° | — | — |
| 2011 | 81° | 63° | 72° | — | — |
| 2010 | 77° | 53° | 65° | — | — |
| 2009 | 82° | 67° | 74° | — | — |
| 2008 | 78° | 51° | 65° | — | — |
| 2007 | 78° | 46° | 62° | — | — |
| 2006 | 99° | 62° | 80° | — | — |
| 2005 | 93° | 57° | 75° | — | — |
| 2004warmest | 133° | 57° | 95° | — | — |
| 2003 | 83° | 56° | 69° | — | — |
| 2002 | 102° | 66° | 84° | — | — |
| 2001 | 80° | 56° | 68° | — | — |
| 2000 | 79° | 54° | 66° | — | — |
| 1999 | 74° | 56° | 65° | — | — |
| 1998 | 79° | 53° | 66° | — | — |
| 1997 | 81° | 59° | 70° | — | — |
| 1996 | 106° | 63° | 84° | — | — |
| 1995 | 92° | 56° | 74° | — | — |
| 1994 | 81° | 53° | 67° | — | — |
| 1993 | 80° | 54° | 67° | — | — |
| 1992 | 80° | 58° | 69° | — | — |
| 1991 | 83° | 55° | 69° | — | — |
| 1990 | 96° | 70° | 83° | — | — |
| 1989 | 80° | 63° | 71° | — | — |
| 1988 | 82° | 57° | 70° | — | — |
| 1987 | 85° | 57° | 71° | — | — |
| 1986 | 88° | 63° | 75° | — | — |
| 1985 | 85° | 61° | 73° | — | — |
| 1984 | 98° | 74° | 86° | — | — |
| 1983 | 92° | 67° | 79° | — | — |
| 1982 | 91° | 50° | 71° | — | — |
| 1981 | 102° | 74° | 88° | — | — |
| 1980 | 88° | 67° | 77° | — | — |
| 1979 | 84° | 63° | 73° | — | — |
| 1978 | 107° | 80° | 94° | — | — |
| 1977 | 87° | 56° | 71° | — | — |
| 1976 | 86° | 63° | 74° | — | — |
| 1975 | 98° | 61° | 79° | — | — |
| 1974 | 92° | 62° | 77° | — | — |
| 1973 | 83° | 47° | 65° | — | — |
| 1972 | 94° | 68° | 81° | — | — |
| 1971 | 96° | 70° | 83° | — | — |
55 years of data from LIVERMORE CALIFORNIA