Weather on June 12
San Marcos, CA
55 Years of Data
Avg High
79°F
Avg Low
59°F
Warmest
1979
84°F avg
Coldest
2010
57°F avg
About This Date
June 12th in San Marcos, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 59°F. Over 55 years of records, the warmest June 12th was in 1979 (84°F average), while the coldest was 2010 (57°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 5% of June 12th dates historically. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for June 12th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 60° | 71° | — | — |
| 2024 | 87° | 60° | 74° | — | — |
| 2023 | 74° | 59° | 66° | 0.03" | — |
| 2022 | 90° | 61° | 75° | — | — |
| 2021 | 89° | 56° | 72° | — | — |
| 2020 | 86° | 60° | 73° | — | — |
| 2019 | 88° | 65° | 76° | — | — |
| 2018 | 89° | 60° | 75° | — | — |
| 2017 | 76° | 54° | 65° | — | — |
| 2016 | 77° | 61° | 69° | — | — |
| 2015 | 77° | 63° | 70° | — | — |
| 2014 | 82° | 62° | 72° | — | — |
| 2013 | 78° | 62° | 70° | — | — |
| 2012 | 79° | 58° | 68° | — | — |
| 2011 | 73° | 59° | 66° | — | — |
| 2010coldest | 60° | 53° | 57° | 0.03" | — |
| 2009 | 68° | 61° | 64° | — | — |
| 2008 | 67° | 61° | 64° | — | — |
| 2007 | 81° | 52° | 66° | — | — |
| 2006 | 71° | 63° | 67° | — | — |
| 2005 | 76° | 59° | 67° | — | — |
| 2004 | 82° | 55° | 69° | — | — |
| 2003 | 75° | 59° | 67° | — | — |
| 2002 | 78° | 76° | 77° | — | — |
| 2001 | 79° | 60° | 69° | — | — |
| 2000 | 84° | 56° | 70° | — | — |
| 1999 | 80° | 56° | 68° | — | — |
| 1998 | 68° | 55° | 62° | 0.15" | — |
| 1997 | 76° | 61° | 68° | — | — |
| 1996 | 81° | 63° | 72° | — | — |
| 1995 | 88° | 60° | 74° | — | — |
| 1994 | 78° | 59° | 69° | — | — |
| 1993 | 85° | 60° | 72° | — | — |
| 1992 | 78° | 61° | 69° | — | — |
| 1991 | 77° | 58° | 67° | — | — |
| 1990 | 78° | 61° | 69° | — | — |
| 1989 | 78° | 59° | 69° | — | — |
| 1988 | 73° | 55° | 64° | — | — |
| 1987 | 76° | 59° | 67° | — | — |
| 1986 | 83° | 60° | 71° | — | — |
| 1985 | 82° | 60° | 71° | — | — |
| 1984 | 78° | 57° | 68° | — | — |
| 1983 | 76° | 58° | 67° | — | — |
| 1982 | 75° | 56° | 65° | — | — |
| 1981 | 85° | 61° | 73° | — | — |
| 1980 | 81° | 51° | 66° | — | — |
| 1979warmest | 104° | 64° | 84° | — | — |
| 1978 | 87° | 54° | 70° | — | — |
| 1977 | 76° | 54° | 65° | — | — |
| 1976 | 81° | 50° | 65° | — | — |
| 1975 | 73° | 59° | 66° | — | — |
| 1974 | 83° | 59° | 71° | — | — |
| 1973 | 77° | 58° | 67° | — | — |
| 1972 | 84° | 54° | 69° | — | — |
| 1971 | 81° | 54° | 67° | — | — |
55 years of data from ESCONDIDO #2