Weather on May 30
San Ramon, CA
55 Years of Data
Avg High
75°F
Avg Low
51°F
Warmest
1975
81°F avg
Coldest
1982
50°F avg
About This Date
May 30th in San Ramon, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 51°F. Over 55 years of records, the warmest May 30th was in 1975 (81°F average), while the coldest was 1982 (50°F) — a 31°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.4°F cooler on this date compared to 20-30 years ago.
Planning for May 30th in San Ramon, CA? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 56° | 68° | — | — |
| 2024 | 79° | 60° | 69° | — | — |
| 2023 | 62° | 45° | 53° | — | — |
| 2022 | 68° | 45° | 56° | — | — |
| 2021 | 74° | 44° | 59° | — | — |
| 2020 | 75° | 51° | 63° | — | — |
| 2019 | 74° | 45° | 59° | — | — |
| 2018 | 85° | 44° | 64° | — | — |
| 2017 | 72° | 45° | 58° | — | — |
| 2016 | 77° | 63° | 70° | — | — |
| 2015 | 79° | 66° | 72° | — | — |
| 2014 | 76° | 54° | 65° | — | — |
| 2013 | 66° | 46° | 56° | — | — |
| 2012 | 70° | 47° | 58° | — | — |
| 2011 | 62° | 42° | 52° | — | — |
| 2010 | 75° | 58° | 66° | — | — |
| 2009 | 73° | 48° | 61° | — | — |
| 2008 | 64° | 36° | 50° | — | — |
| 2007 | 67° | 37° | 52° | — | — |
| 2006 | 79° | 46° | 62° | — | — |
| 2005 | 82° | 51° | 67° | — | — |
| 2004 | 90° | 51° | 70° | — | — |
| 2003 | 74° | 52° | 63° | — | — |
| 2002 | 94° | 59° | 76° | — | — |
| 2001 | 98° | 65° | 81° | — | — |
| 2000 | 72° | 46° | 59° | — | — |
| 1999 | 68° | 46° | 57° | — | — |
| 1998 | 72° | 50° | 61° | — | — |
| 1997 | 82° | 58° | 70° | — | — |
| 1996 | 72° | 47° | 59° | — | — |
| 1995 | 85° | 51° | 68° | — | — |
| 1994 | 87° | 56° | 71° | — | — |
| 1993 | 70° | 58° | 64° | — | — |
| 1992 | 83° | 54° | 68° | — | — |
| 1991 | 67° | 50° | 58° | — | — |
| 1990 | 63° | 52° | 57° | — | — |
| 1989 | 62° | 48° | 55° | — | — |
| 1988 | 59° | 44° | 52° | — | — |
| 1987 | 67° | 43° | 55° | — | — |
| 1986 | 84° | 59° | 72° | — | — |
| 1985 | 67° | 45° | 56° | — | — |
| 1984 | 90° | 67° | 78° | — | — |
| 1983 | 68° | 52° | 60° | — | — |
| 1982coldest | 58° | 42° | 50° | — | — |
| 1981 | 76° | 53° | 64° | — | — |
| 1980 | 60° | 42° | 51° | — | — |
| 1979 | 78° | 48° | 63° | — | — |
| 1978 | 92° | 66° | 79° | — | — |
| 1977 | 79° | 53° | 66° | — | — |
| 1976 | 69° | 42° | 56° | — | — |
| 1975warmest | 90° | 72° | 81° | — | — |
| 1974 | 79° | 41° | 60° | — | — |
| 1973 | 87° | 46° | 67° | — | — |
| 1972 | 82° | 62° | 72° | — | — |
| 1971 | 65° | 41° | 53° | — | — |
55 years of data from LIVERMORE CALIFORNIA