Weather on August 17
San Ramon, CA
55 Years of Data
Avg High
86°F
Avg Low
59°F
Warmest
2004
97°F avg
Coldest
1990
47°F avg
About This Date
August 17th in San Ramon, CA typically brings warm summer weather, with average highs around 86°F and lows near 59°F — a 27°F daily swing. Over 55 years of records, the warmest August 17th was in 2004 (97°F average), while the coldest was 1990 (47°F) — a 50°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 17th dates historically. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for August 17th in San Ramon, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 52° | 61° | — | — |
| 2024 | 82° | 55° | 69° | — | — |
| 2023 | 93° | 75° | 84° | — | — |
| 2022 | 95° | 77° | 86° | — | — |
| 2021 | 90° | 58° | 74° | — | — |
| 2020 | 98° | 70° | 84° | 0.03" | — |
| 2019 | 92° | 64° | 78° | — | — |
| 2018 | 84° | 65° | 74° | — | — |
| 2017 | 77° | 52° | 64° | — | — |
| 2016 | 87° | 65° | 76° | — | — |
| 2015 | 92° | 70° | 81° | — | — |
| 2014 | 85° | 64° | 74° | — | — |
| 2013 | 84° | 67° | 75° | — | — |
| 2012 | 91° | 62° | 77° | — | — |
| 2011 | 83° | 64° | 73° | — | — |
| 2010 | 87° | 66° | 77° | — | — |
| 2009 | 88° | 68° | 78° | — | — |
| 2008 | 89° | 55° | 72° | — | — |
| 2007 | 79° | 45° | 62° | — | — |
| 2006 | 90° | 50° | 70° | — | — |
| 2005 | 86° | 54° | 70° | — | — |
| 2004warmest | 135° | 60° | 97° | — | — |
| 2003 | 97° | 57° | 77° | — | — |
| 2002 | 81° | 53° | 67° | — | — |
| 2001 | 95° | 61° | 78° | — | — |
| 2000 | 89° | 56° | 72° | — | — |
| 1999 | 82° | 54° | 68° | — | — |
| 1998 | 79° | 49° | 64° | — | — |
| 1997 | 76° | 56° | 66° | — | — |
| 1996 | 81° | 54° | 67° | — | — |
| 1995 | 77° | 54° | 65° | — | — |
| 1994 | 93° | 60° | 77° | — | — |
| 1993 | 87° | 60° | 74° | — | — |
| 1992 | 100° | 76° | 88° | — | — |
| 1991 | 71° | 55° | 63° | — | — |
| 1990coldest | 74° | 20° | 47° | — | — |
| 1989 | 77° | 46° | 62° | — | — |
| 1988 | 88° | 57° | 72° | — | — |
| 1987 | 75° | 57° | 66° | — | — |
| 1986 | 73° | 49° | 61° | — | — |
| 1985 | 75° | 48° | 62° | — | — |
| 1984 | 85° | 67° | 76° | — | — |
| 1983 | 95° | 70° | 82° | — | — |
| 1982 | 91° | 64° | 78° | — | — |
| 1981 | 91° | 69° | 80° | — | — |
| 1980 | 82° | 58° | 70° | — | — |
| 1979 | 66° | 60° | 63° | — | — |
| 1978 | 78° | 50° | 64° | — | — |
| 1977 | 94° | 67° | 80° | — | — |
| 1976 | 72° | 52° | 62° | — | — |
| 1975 | 82° | 56° | 69° | — | — |
| 1974 | 83° | 59° | 71° | — | — |
| 1973 | 90° | 64° | 77° | — | — |
| 1972 | 75° | 51° | 63° | — | — |
| 1971 | 92° | 63° | 77° | — | — |
55 years of data from LIVERMORE CALIFORNIA