Weather on February 18
San Ramon, CA
55 Years of Data
Avg High
58°F
Avg Low
41°F
Warmest
1977
67°F avg
Coldest
1990
30°F avg
About This Date
February 18th in San Ramon, CA typically brings cool winter weather, with average highs around 58°F and lows near 41°F. Over 56 years of records, the warmest February 18th was in 1977 (67°F average), while the coldest was 1990 (30°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 25% of February 18th dates historically, with the wettest February 18th recording 6.05" of rain. The last decade has been 5.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.0°F cooler on this date compared to 20-30 years ago.
Planning for February 18th in San Ramon, CA? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 39° | 31° | 35° | 2.26" | — |
| 2025 | 54° | 39° | 46° | — | — |
| 2024 | 53° | 46° | 50° | 1.52" | — |
| 2023 | 55° | 40° | 47° | — | — |
| 2022 | 62° | 46° | 54° | — | — |
| 2021 | 54° | 43° | 48° | — | — |
| 2020 | 63° | 43° | 53° | — | — |
| 2019 | 45° | 31° | 38° | 0.23" | — |
| 2018 | 63° | 39° | 51° | — | — |
| 2017 | 61° | 37° | 49° | 0.61" | — |
| 2016 | 63° | 39° | 51° | 1.93" | — |
| 2015 | 53° | 39° | 46° | — | — |
| 2014 | 56° | 43° | 49° | — | — |
| 2013 | 66° | 38° | 52° | — | — |
| 2012 | 61° | 43° | 52° | — | — |
| 2011 | 42° | 33° | 38° | 0.81" | — |
| 2010 | 66° | 49° | 57° | — | — |
| 2009 | 42° | 35° | 39° | 1.83" | — |
| 2008 | 61° | 32° | 46° | — | — |
| 2007 | 60° | 42° | 51° | — | — |
| 2006 | 52° | 33° | 42° | — | — |
| 2005 | 64° | 50° | 57° | — | — |
| 2004 | 56° | 40° | 48° | 3.3" | — |
| 2003 | 64° | 37° | 51° | — | — |
| 2002 | 58° | 42° | 50° | — | — |
| 2001 | 58° | 47° | 52° | — | — |
| 2000 | 59° | 42° | 51° | — | — |
| 1999 | 58° | 47° | 52° | — | — |
| 1998 | 60° | 43° | 51° | — | — |
| 1997 | 65° | 45° | 55° | — | — |
| 1996 | 65° | 52° | 58° | — | — |
| 1995 | 69° | 45° | 57° | — | — |
| 1994 | 49° | 39° | 44° | — | — |
| 1993 | 57° | 47° | 52° | — | — |
| 1992 | 57° | 43° | 50° | — | — |
| 1991 | 68° | 41° | 55° | — | — |
| 1990coldest | 36° | 25° | 30° | 1.14" | — |
| 1989 | 60° | 35° | 48° | 0.13" | — |
| 1988 | 65° | 42° | 53° | — | — |
| 1987 | 60° | 36° | 48° | — | — |
| 1986 | 57° | 49° | 53° | 6.05" | — |
| 1985 | 64° | 49° | 56° | — | — |
| 1984 | 55° | 39° | 47° | — | — |
| 1983 | 65° | 42° | 53° | 1.27" | — |
| 1982 | 60° | 46° | 53° | — | — |
| 1981 | 68° | 47° | 57° | — | — |
| 1980 | 54° | 48° | 51° | 2.49" | — |
| 1979 | 55° | 40° | 47° | 0.36" | — |
| 1978 | 55° | 39° | 47° | — | — |
| 1977warmest | 80° | 54° | 67° | — | — |
| 1976 | 49° | 40° | 44° | — | — |
| 1975 | 55° | 32° | 44° | — | — |
| 1974 | 53° | 34° | 43° | — | — |
| 1973 | 60° | 39° | 50° | — | — |
| 1972 | 64° | 42° | 53° | — | — |
| 1971 | 52° | 36° | 44° | — | — |
56 years of data from LIVERMORE CALIFORNIA