Weather on May 13
San Ramon, CA
55 Years of Data
Avg High
73°F
Avg Low
51°F
Warmest
1976
84°F avg
Coldest
1980
47°F avg
About This Date
May 13th in San Ramon, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 51°F. Over 55 years of records, the warmest May 13th was in 1976 (84°F average), while the coldest was 1980 (47°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 13th dates historically. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for May 13th in San Ramon, CA? Great weather for outdoor activities.
Cooling Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 44° | 49° | 0.48" | — |
| 2024 | 82° | 53° | 68° | — | — |
| 2023 | 74° | 49° | 61° | — | — |
| 2022 | 70° | 45° | 57° | — | — |
| 2021 | 81° | 60° | 70° | — | — |
| 2020 | 54° | 42° | 48° | 0.03" | — |
| 2019 | 70° | 54° | 62° | — | — |
| 2018 | 71° | 46° | 59° | — | — |
| 2017 | 59° | 38° | 48° | — | — |
| 2016 | 76° | 59° | 67° | — | — |
| 2015 | 58° | 39° | 48° | — | — |
| 2014 | 79° | 64° | 71° | — | — |
| 2013 | 80° | 61° | 70° | — | — |
| 2012 | 81° | 56° | 68° | — | — |
| 2011 | 67° | 50° | 58° | — | — |
| 2010 | 69° | 57° | 63° | — | — |
| 2009 | 76° | 48° | 62° | — | — |
| 2008 | 72° | 47° | 59° | — | — |
| 2007 | 80° | 42° | 61° | — | — |
| 2006 | 77° | 48° | 63° | — | — |
| 2005 | 78° | 51° | 65° | — | — |
| 2004 | 80° | 48° | 64° | — | — |
| 2003 | 79° | 50° | 64° | — | — |
| 2002 | 69° | 45° | 57° | — | — |
| 2001 | 64° | 49° | 56° | — | — |
| 2000 | 66° | 48° | 57° | — | — |
| 1999 | 64° | 42° | 53° | — | — |
| 1998 | 59° | 47° | 53° | — | — |
| 1997 | 81° | 55° | 68° | — | — |
| 1996 | 84° | 57° | 71° | — | — |
| 1995 | 59° | 48° | 54° | — | — |
| 1994 | 76° | 48° | 62° | — | — |
| 1993 | 68° | 48° | 58° | — | — |
| 1992 | 72° | 50° | 61° | — | — |
| 1991 | 57° | 49° | 53° | — | — |
| 1990 | 61° | 42° | 51° | — | — |
| 1989 | 67° | 42° | 54° | — | — |
| 1988 | 71° | 42° | 57° | — | — |
| 1987 | 90° | 66° | 78° | — | — |
| 1986 | 76° | 59° | 67° | — | — |
| 1985 | 75° | 55° | 65° | — | — |
| 1984 | 82° | 57° | 70° | — | — |
| 1983 | 62° | 44° | 53° | — | — |
| 1982 | 63° | 40° | 51° | — | — |
| 1981 | 81° | 53° | 67° | — | — |
| 1980coldest | 51° | 43° | 47° | — | — |
| 1979 | 85° | 58° | 71° | — | — |
| 1978 | 81° | 57° | 69° | — | — |
| 1977 | 59° | 42° | 51° | — | — |
| 1976warmest | 97° | 72° | 84° | — | — |
| 1975 | 83° | 62° | 72° | — | — |
| 1974 | 76° | 43° | 59° | — | — |
| 1973 | 88° | 65° | 76° | — | — |
| 1972 | 91° | 69° | 80° | — | — |
| 1971 | 70° | 49° | 59° | — | — |
55 years of data from LIVERMORE CALIFORNIA