Weather on June 18
San Ramon, CA
55 Years of Data
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.
| 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° | — | — |
San Ramon, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Ramon, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Ramon, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Ramon, CA
San Ramon, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.