Weather on May 23
San Ramon, CA
55 Years of Data
Avg High
73°F
Avg Low
48°F
Warmest
2017
76°F avg
Coldest
2010
45°F avg
About This Date
May 23rd in San Ramon, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 48°F — a 25°F daily swing. Over 55 years of records, the warmest May 23rd was in 2017 (76°F average), while the coldest was 2010 (45°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 23rd dates historically, with the wettest May 23rd recording 0.64" of rain. The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
Planning for May 23rd in San Ramon, CA? Great weather for outdoor activities.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 46° | 59° | — | — |
| 2024 | 72° | 48° | 60° | — | — |
| 2023 | 78° | 45° | 61° | — | — |
| 2022 | 76° | 57° | 66° | — | — |
| 2021 | 66° | 41° | 54° | — | — |
| 2020 | 70° | 52° | 61° | — | — |
| 2019 | 66° | 48° | 57° | — | — |
| 2018 | 58° | 45° | 51° | 0.64" | — |
| 2017warmest | 85° | 67° | 76° | — | — |
| 2016 | 59° | 42° | 51° | — | — |
| 2015 | 56° | 45° | 50° | 0.05" | — |
| 2014 | 74° | 50° | 62° | — | — |
| 2013 | 62° | 38° | 50° | — | — |
| 2012 | 69° | 45° | 57° | — | — |
| 2011 | 58° | 39° | 48° | — | — |
| 2010coldest | 54° | 37° | 45° | — | — |
| 2009 | 75° | 43° | 59° | — | — |
| 2008 | 71° | 35° | 53° | — | — |
| 2007 | 78° | 54° | 66° | — | — |
| 2006 | 75° | 53° | 64° | — | — |
| 2005 | 82° | 48° | 65° | — | — |
| 2004 | 69° | 50° | 60° | — | — |
| 2003 | 88° | 52° | 70° | — | — |
| 2002 | 80° | 44° | 62° | — | — |
| 2001 | 90° | 57° | 73° | — | — |
| 2000 | 90° | 61° | 75° | — | — |
| 1999 | 73° | 49° | 61° | — | — |
| 1998 | 67° | 53° | 60° | — | — |
| 1997 | 72° | 56° | 64° | — | — |
| 1996 | 71° | 49° | 60° | — | — |
| 1995 | 72° | 49° | 60° | — | — |
| 1994 | 82° | 49° | 65° | — | — |
| 1993 | 70° | 52° | 61° | — | — |
| 1992 | 87° | 54° | 70° | — | — |
| 1991 | 83° | 49° | 66° | — | — |
| 1990 | 63° | 48° | 55° | — | — |
| 1989 | 61° | 43° | 52° | 0.56" | — |
| 1988 | 78° | 61° | 69° | — | — |
| 1987 | 72° | 45° | 58° | — | — |
| 1986 | 72° | 40° | 56° | — | — |
| 1985 | 81° | 55° | 68° | — | — |
| 1984 | 88° | 59° | 73° | — | — |
| 1983 | 80° | 54° | 67° | — | — |
| 1982 | 84° | 58° | 71° | — | — |
| 1981 | 75° | 55° | 65° | — | — |
| 1980 | 61° | 38° | 49° | — | — |
| 1979 | 74° | 52° | 63° | — | — |
| 1978 | 70° | 39° | 54° | — | — |
| 1977 | 71° | 42° | 57° | — | — |
| 1976 | 70° | 43° | 56° | — | — |
| 1975 | 78° | 46° | 62° | — | — |
| 1974 | 78° | 47° | 62° | — | — |
| 1973 | 71° | 42° | 57° | — | — |
| 1972 | 76° | 42° | 59° | — | — |
| 1971 | 78° | 56° | 67° | — | — |
55 years of data from LIVERMORE CALIFORNIA