Weather on June 18
San Ramon, CA
55 Years of Data
Avg High
79°F
Avg Low
55°F
Warmest
2021
88°F avg
Coldest
2022
50°F avg
About This Date
June 18th in San Ramon, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 55°F. Over 53 years of records, the warmest June 18th was in 2021 (88°F average), while the coldest was 2022 (50°F) — a 38°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in San Ramon, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 60° | 70° | — | — |
| 2024 | 78° | 57° | 68° | — | — |
| 2023 | 77° | 55° | 66° | — | — |
| 2022coldest | 57° | 42° | 50° | — | — |
| 2021warmest | 98° | 79° | 88° | — | — |
| 2020 | 79° | 56° | 67° | — | — |
| 2019 | 86° | 65° | 75° | — | — |
| 2018 | 68° | 47° | 57° | — | — |
| 2017 | 91° | 73° | 82° | — | — |
| 2016 | 73° | 48° | 61° | — | — |
| 2015 | 85° | 63° | 74° | — | — |
| 2014 | 74° | 55° | 64° | — | — |
| 2013 | 71° | 47° | 59° | — | — |
| 2012 | 88° | 62° | 75° | — | — |
| 2011 | 74° | 56° | 65° | — | — |
| 2010 | 76° | 46° | 61° | — | — |
| 2009 | 74° | 56° | 65° | — | — |
| 2008 | 90° | 62° | 76° | — | — |
| 2007 | 89° | 60° | 75° | — | — |
| 2006 | 83° | 52° | 67° | — | — |
| 2005 | 71° | 51° | 61° | — | — |
| 2004 | 78° | 55° | 67° | — | — |
| 2003 | 76° | 51° | 63° | — | — |
| 2002 | 78° | 56° | 67° | — | — |
| 2001 | 95° | 61° | 78° | — | — |
| 2000 | 73° | 55° | 64° | — | — |
| 1999 | 77° | 51° | 64° | — | — |
| 1998 | 84° | 54° | 69° | — | — |
| 1997 | 86° | 55° | 71° | — | — |
| 1996 | 84° | 54° | 69° | — | — |
| 1995 | 63° | 49° | 56° | — | — |
| 1994 | 84° | 48° | 66° | — | — |
| 1993 | 95° | 66° | 81° | — | — |
| 1992 | 78° | 56° | 67° | — | — |
| 1991 | 66° | 48° | 57° | — | — |
| 1990 | 74° | 52° | 63° | — | — |
| 1989 | 86° | 64° | 75° | — | — |
| 1988 | 80° | 65° | 72° | — | — |
| 1987 | 61° | 43° | 52° | — | — |
| 1986 | 70° | 45° | 57° | — | — |
| 1985 | 87° | 66° | 77° | — | — |
| 1984 | 90° | 60° | 75° | — | — |
| 1983 | 75° | 53° | 64° | — | — |
| 1982 | 78° | 49° | 63° | — | — |
| 1981 | 90° | 67° | 78° | — | — |
| 1980 | 85° | 41° | 63° | — | — |
| 1979 | 73° | 45° | 59° | — | — |
| 1978 | 87° | 47° | 67° | — | — |
| 1975 | 70° | 46° | 58° | — | — |
| 1974 | 71° | 48° | 60° | — | — |
| 1973 | 70° | 42° | 56° | — | — |
| 1972 | 92° | 64° | 78° | — | — |
| 1971 | 94° | 61° | 77° | — | — |
53 years of data from LIVERMORE CALIFORNIA