Weather on April 18
San Ramon, CA
55 Years of Data
About This Date
April 18th in San Ramon, CA typically brings mild spring weather, with average highs around 65°F and lows near 44°F. Over 55 years of records, the warmest April 18th was in 2016 (67°F average), while the coldest was 2023 (42°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 9% of April 18th dates historically, with the wettest April 18th recording 0.94" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 18th in San Ramon, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 67° | 47° | 57° | — | — |
| 2025 | 70° | 43° | 56° | — | — |
| 2024 | 71° | 57° | 64° | — | — |
| 2023coldest | 51° | 34° | 42° | 0.18" | — |
| 2022 | 61° | 37° | 49° | — | — |
| 2021 | 74° | 61° | 67° | — | — |
| 2020 | 63° | 43° | 53° | — | — |
| 2019 | 70° | 50° | 60° | — | — |
| 2018 | 50° | 40° | 45° | — | — |
| 2017 | 54° | 46° | 50° | 0.51" | — |
| 2016warmest | 76° | 59° | 67° | — | — |
| 2015 | 74° | 55° | 64° | — | — |
| 2014 | 70° | 47° | 58° | — | — |
| 2013 | 61° | 42° | 51° | — | — |
| 2012 | 64° | 45° | 54° | — | — |
| 2011 | 63° | 48° | 55° | — | — |
| 2010 | 64° | 44° | 54° | — | — |
| 2009 | 70° | 53° | 61° | — | — |
| 2008 | 75° | 40° | 57° | — | — |
| 2007 | 62° | 40° | 51° | — | — |
| 2006 | 70° | 42° | 56° | — | — |
| 2005 | 67° | 42° | 54° | — | — |
| 2004 | 60° | 45° | 52° | — | — |
| 2003 | 67° | 42° | 54° | — | — |
| 2002 | 60° | 39° | 50° | — | — |
| 2001 | 68° | 47° | 57° | — | — |
| 2000 | 63° | 40° | 51° | — | — |
| 1999 | 76° | 50° | 63° | — | — |
| 1998 | 68° | 44° | 56° | — | — |
| 1997 | 70° | 53° | 61° | — | — |
| 1996 | 62° | 43° | 52° | — | — |
| 1995 | 57° | 43° | 50° | — | — |
| 1994 | 74° | 50° | 62° | — | — |
| 1993 | 52° | 41° | 46° | 0.94" | — |
| 1992 | 74° | 45° | 59° | — | — |
| 1991 | 55° | 47° | 51° | — | — |
| 1990 | 63° | 39° | 51° | — | — |
| 1989 | 74° | 42° | 58° | — | — |
| 1987 | 63° | 36° | 49° | — | — |
| 1986 | 60° | 43° | 51° | — | — |
| 1985 | 56° | 40° | 48° | — | — |
| 1984 | 57° | 40° | 48° | 0.69" | — |
| 1983 | 62° | 44° | 53° | 0.46" | — |
| 1982 | 72° | 52° | 62° | — | — |
| 1981 | 66° | 43° | 54° | — | — |
| 1980 | 71° | 48° | 60° | — | — |
| 1979 | 53° | 33° | 43° | — | — |
| 1978 | 62° | 39° | 51° | — | — |
| 1977 | 80° | 48° | 64° | — | — |
| 1976 | 65° | 43° | 54° | — | — |
| 1975 | 58° | 34° | 46° | — | — |
| 1974 | 58° | 37° | 47° | — | — |
| 1973 | 60° | 43° | 51° | — | — |
| 1972 | 66° | 38° | 52° | — | — |
| 1971 | 50° | 35° | 43° | — | — |
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.