Weather on July 18
San Ramon, CA
55 Years of Data
About This Date
July 18th in San Ramon, CA typically brings warm summer weather, with average highs around 85°F and lows near 58°F — a 27°F daily swing. Over 55 years of records, the warmest July 18th was in 2004 (98°F average), while the coldest was 1987 (53°F) — a 45°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 18th dates historically. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for July 18th in San Ramon, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 62° | 70° | — | — |
| 2024 | 71° | 52° | 61° | — | — |
| 2023 | 89° | 68° | 79° | — | — |
| 2022 | 89° | 69° | 79° | — | — |
| 2021 | 86° | 71° | 79° | — | — |
| 2020 | 80° | 64° | 72° | — | — |
| 2019 | 83° | 63° | 73° | — | — |
| 2018 | 89° | 73° | 81° | — | — |
| 2017 | 86° | 63° | 74° | — | — |
| 2016 | 73° | 48° | 61° | — | — |
| 2015 | 84° | 65° | 74° | — | — |
| 2014 | 72° | 53° | 62° | — | — |
| 2013 | 74° | 61° | 67° | — | — |
| 2012 | 65° | 47° | 56° | — | — |
| 2011 | 68° | 50° | 59° | — | — |
| 2010 | 89° | 72° | 80° | — | — |
| 2009 | 93° | 70° | 81° | — | — |
| 2008 | 85° | 56° | 70° | — | — |
| 2007 | 77° | 50° | 64° | 0.08" | — |
| 2006 | 100° | 69° | 85° | — | — |
| 2005 | 90° | 60° | 75° | — | — |
| 2004warmest | 134° | 62° | 98° | — | — |
| 2003 | 100° | 68° | 84° | — | — |
| 2002 | 80° | 53° | 67° | — | — |
| 2001 | 84° | 52° | 68° | — | — |
| 2000 | 86° | 54° | 70° | — | — |
| 1999 | 79° | 49° | 64° | — | — |
| 1998 | 104° | 61° | 82° | — | — |
| 1997 | 88° | 54° | 71° | — | — |
| 1996 | 83° | 52° | 67° | — | — |
| 1995 | 87° | 61° | 74° | — | — |
| 1994 | 85° | 54° | 69° | — | — |
| 1993 | 90° | 55° | 72° | — | — |
| 1992 | 87° | 59° | 73° | — | — |
| 1991 | 80° | 53° | 67° | — | — |
| 1990 | 87° | 59° | 73° | — | — |
| 1989 | 89° | 51° | 70° | — | — |
| 1988 | 105° | 78° | 92° | — | — |
| 1987coldest | 63° | 44° | 53° | — | — |
| 1986 | 71° | 47° | 59° | — | — |
| 1985 | 83° | 60° | 71° | — | — |
| 1984 | 93° | 68° | 81° | — | — |
| 1983 | 68° | 46° | 57° | — | — |
| 1982 | 74° | 48° | 61° | — | — |
| 1981 | 74° | 50° | 62° | — | — |
| 1980 | 89° | 59° | 74° | — | — |
| 1979 | 101° | 70° | 85° | — | — |
| 1978 | 97° | 66° | 81° | — | — |
| 1977 | 101° | 67° | 84° | — | — |
| 1976 | 84° | 51° | 68° | — | — |
| 1975 | 82° | 49° | 65° | — | — |
| 1974 | 85° | 44° | 64° | — | — |
| 1973 | 76° | 48° | 62° | — | — |
| 1972 | 81° | 53° | 67° | — | — |
| 1971 | 84° | 70° | 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.