Weather on August 23
San Ramon, CA
55 Years of Data
Avg High
84°F
Avg Low
59°F
Warmest
2004
99°F avg
Coldest
1980
57°F avg
About This Date
August 23rd in San Ramon, CA typically brings warm summer weather, with average highs around 84°F and lows near 59°F — a 25°F daily swing. Over 55 years of records, the warmest August 23rd was in 2004 (99°F average), while the coldest was 1980 (57°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 23rd dates historically. The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
Planning for August 23rd in San Ramon, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 75° | 82° | — | — |
| 2024 | 67° | 49° | 58° | — | — |
| 2023 | 81° | 66° | 73° | — | — |
| 2022 | 85° | 65° | 75° | — | — |
| 2021 | 75° | 53° | 64° | — | — |
| 2020 | 89° | 71° | 80° | — | — |
| 2019 | 84° | 64° | 74° | — | — |
| 2018 | 68° | 50° | 59° | — | — |
| 2017 | 83° | 67° | 75° | — | — |
| 2016 | 80° | 62° | 71° | — | — |
| 2015 | 76° | 60° | 68° | — | — |
| 2014 | 77° | 58° | 67° | — | — |
| 2013 | 80° | 53° | 67° | — | — |
| 2012 | 82° | 64° | 73° | — | — |
| 2011 | 80° | 66° | 73° | — | — |
| 2010 | 81° | 62° | 71° | — | — |
| 2009 | 87° | 59° | 73° | — | — |
| 2008 | 89° | 55° | 72° | — | — |
| 2007 | 92° | 59° | 75° | — | — |
| 2006 | 90° | 53° | 71° | — | — |
| 2005 | 96° | 59° | 78° | — | — |
| 2004warmest | 137° | 61° | 99° | — | — |
| 2003 | 89° | 55° | 72° | — | — |
| 2002 | 71° | 52° | 61° | — | — |
| 2001 | 79° | 57° | 68° | — | — |
| 2000 | 73° | 55° | 64° | — | — |
| 1999 | 92° | 63° | 77° | — | — |
| 1998 | 87° | 57° | 72° | — | — |
| 1997 | 79° | 58° | 68° | — | — |
| 1996 | 97° | 59° | 78° | — | — |
| 1995 | 89° | 59° | 74° | — | — |
| 1994 | 80° | 54° | 67° | — | — |
| 1993 | 91° | 61° | 76° | — | — |
| 1992 | 78° | 52° | 65° | — | — |
| 1991 | 93° | 54° | 73° | — | — |
| 1990 | 85° | 56° | 70° | — | — |
| 1989 | 76° | 52° | 64° | — | — |
| 1988 | 82° | 59° | 71° | — | — |
| 1987 | 73° | 47° | 60° | — | — |
| 1986 | 89° | 61° | 75° | — | — |
| 1985 | 85° | 62° | 73° | — | — |
| 1984 | 85° | 63° | 74° | — | — |
| 1983 | 74° | 52° | 63° | — | — |
| 1982 | 95° | 74° | 84° | — | — |
| 1981 | 83° | 50° | 66° | — | — |
| 1980coldest | 67° | 48° | 57° | — | — |
| 1979 | 83° | 58° | 70° | — | — |
| 1978 | 78° | 47° | 62° | — | — |
| 1977 | 99° | 68° | 83° | — | — |
| 1976 | 74° | 56° | 65° | 0.08" | — |
| 1975 | 92° | 66° | 79° | — | — |
| 1974 | 95° | 65° | 80° | — | — |
| 1973 | 71° | 49° | 60° | — | — |
| 1972 | 91° | 64° | 78° | — | — |
| 1971 | 83° | 61° | 72° | — | — |
55 years of data from LIVERMORE CALIFORNIA