Weather on July 13
San Marcos, CA
55 Years of Data
Avg High
87°F
Avg Low
62°F
Warmest
1990
83°F avg
Coldest
1986
69°F avg
About This Date
July 13th in San Marcos, CA typically brings warm summer weather, with average highs around 87°F and lows near 62°F — a 25°F daily swing. Over 55 years of records, the warmest July 13th was in 1990 (83°F average), while the coldest was 1986 (69°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 13th dates historically. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for July 13th in San Marcos, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 64° | 76° | — | — |
| 2024 | 92° | 65° | 78° | — | — |
| 2023 | 96° | 69° | 83° | — | — |
| 2022 | 83° | 62° | 72° | — | — |
| 2021 | 89° | 65° | 77° | — | — |
| 2020 | 93° | 68° | 81° | — | — |
| 2019 | 91° | 65° | 78° | — | — |
| 2018 | 92° | 68° | 80° | — | — |
| 2017 | 92° | 69° | 80° | — | — |
| 2016 | 89° | 64° | 77° | — | — |
| 2015 | 87° | 59° | 73° | — | — |
| 2014 | 87° | 66° | 77° | — | — |
| 2013 | 83° | 67° | 75° | — | — |
| 2012 | 86° | 66° | 76° | — | — |
| 2011 | 77° | 61° | 69° | — | — |
| 2010 | 76° | 62° | 69° | — | — |
| 2009 | 79° | 66° | 72° | — | — |
| 2008 | 76° | 66° | 71° | — | — |
| 2007 | 77° | 61° | 69° | — | — |
| 2006 | 95° | 61° | 78° | — | — |
| 2005 | 92° | 59° | 75° | — | — |
| 2004 | 93° | 64° | 79° | — | — |
| 2003 | 91° | 63° | 77° | — | — |
| 2002 | 89° | 64° | 77° | — | — |
| 2001 | 85° | 57° | 71° | — | — |
| 2000 | 82° | 60° | 71° | — | — |
| 1999 | 96° | 70° | 83° | — | — |
| 1998 | 88° | 60° | 74° | — | — |
| 1997 | 81° | 58° | 69° | — | — |
| 1996 | 84° | 62° | 73° | — | — |
| 1995 | 87° | 54° | 70° | — | — |
| 1994 | 86° | 60° | 73° | — | — |
| 1993 | 83° | 62° | 72° | — | — |
| 1992 | 89° | 69° | 79° | — | — |
| 1991 | 82° | 58° | 70° | — | — |
| 1990warmest | 94° | 73° | 83° | 0.25" | — |
| 1989 | — | 59° | — | — | — |
| 1988 | 83° | 60° | 71° | — | — |
| 1987 | 84° | 59° | 72° | — | — |
| 1986coldest | 78° | 60° | 69° | — | — |
| 1985 | 90° | 64° | 77° | — | — |
| 1984 | 95° | 62° | 79° | — | — |
| 1983 | 97° | 65° | 81° | — | — |
| 1982 | 90° | 57° | 73° | — | — |
| 1981 | 90° | 62° | 76° | — | — |
| 1980 | 88° | 58° | 73° | — | — |
| 1979 | 88° | 60° | 74° | — | — |
| 1978 | 95° | 58° | 76° | — | — |
| 1977 | 82° | 57° | 70° | — | — |
| 1976 | 81° | 63° | 72° | — | — |
| 1975 | 81° | 61° | 71° | — | — |
| 1974 | 86° | 58° | 72° | — | — |
| 1973 | 80° | 61° | 70° | — | — |
| 1972 | 90° | 61° | 75° | — | — |
| 1971 | 93° | 61° | 77° | — | — |
55 years of data from ESCONDIDO #2