Weather on May 30
San Marcos, CA
55 Years of Data
About This Date
May 30th in San Marcos, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 57°F. Over 55 years of records, the warmest May 30th was in 2025 (79°F average), while the coldest was 1971 (58°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 30th dates historically. 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 May 30th in San Marcos, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 96° | 62° | 79° | — | — |
| 2024 | 83° | 56° | 69° | — | — |
| 2023 | 69° | 57° | 63° | 0.13" | — |
| 2022 | 79° | 59° | 69° | — | — |
| 2021 | 79° | 58° | 68° | — | — |
| 2020 | 79° | 62° | 70° | — | — |
| 2019 | 80° | 58° | 69° | — | — |
| 2018 | 76° | 59° | 67° | 0.08" | — |
| 2017 | 74° | 59° | 66° | — | — |
| 2016 | 75° | 60° | 68° | — | — |
| 2015 | 83° | 58° | 70° | — | — |
| 2014 | 83° | 57° | 70° | — | — |
| 2013 | 85° | 60° | 72° | — | — |
| 2012 | 79° | 58° | 68° | — | — |
| 2011 | 79° | 49° | 64° | — | — |
| 2010 | 68° | 55° | 62° | — | — |
| 2009 | 64° | 59° | 62° | — | — |
| 2008 | 67° | 59° | 63° | — | — |
| 2007 | 67° | 56° | 61° | — | — |
| 2006 | 74° | 58° | 66° | — | — |
| 2005 | 79° | 58° | 68° | — | — |
| 2004 | 85° | 54° | 69° | — | — |
| 2003 | 81° | 60° | 70° | — | — |
| 2002 | 86° | 55° | 71° | — | — |
| 2001 | 82° | 57° | 70° | — | — |
| 2000 | 83° | 60° | 71° | — | — |
| 1999 | 64° | 56° | 60° | 0.05" | — |
| 1998 | 76° | 49° | 62° | — | — |
| 1997 | 94° | 61° | 77° | — | — |
| 1996 | 73° | 56° | 64° | — | — |
| 1995 | 83° | 57° | 70° | — | — |
| 1994 | 83° | 59° | 71° | — | — |
| 1993 | 83° | 54° | 68° | — | — |
| 1992 | 81° | 62° | 71° | — | — |
| 1991 | 64° | 55° | 60° | — | — |
| 1990 | 71° | 56° | 63° | — | — |
| 1989 | 74° | 56° | 65° | — | — |
| 1988 | 70° | 49° | 59° | — | — |
| 1987 | 76° | 56° | 66° | — | — |
| 1986 | 78° | 62° | 70° | — | — |
| 1985 | 82° | 56° | 69° | — | — |
| 1984 | 82° | 62° | 72° | — | — |
| 1983 | 79° | 57° | 68° | — | — |
| 1982 | 76° | 55° | 65° | — | — |
| 1981 | 81° | 59° | 70° | — | — |
| 1980 | 72° | 50° | 61° | — | — |
| 1979 | 74° | 53° | 63° | — | — |
| 1978 | 88° | 58° | 73° | — | — |
| 1977 | 81° | 50° | 65° | — | — |
| 1976 | 68° | 55° | 62° | — | — |
| 1975 | 81° | 55° | 68° | — | — |
| 1974 | 73° | 56° | 64° | — | — |
| 1973 | 74° | 59° | 66° | — | — |
| 1972 | 90° | 60° | 75° | — | — |
| 1971coldest | 63° | 53° | 58° | — | — |
San Marcos, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Marcos, CA Monthly Precipitation
Average rainfall per month, in inches.
San Marcos, 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 Marcos, CA
Most pleasant months in San Marcos, CA: June.