Weather on May 4
San Marcos, CA
55 Years of Data
Avg High
75°F
Avg Low
55°F
Warmest
2017
74°F avg
Coldest
1999
55°F avg
About This Date
May 4th in San Marcos, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 55°F. Over 55 years of records, the warmest May 4th was in 2017 (74°F average), while the coldest was 1999 (55°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 4th dates historically, with the wettest May 4th recording 0.64" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for May 4th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 52° | 57° | 0.43" | — |
| 2024 | 68° | 57° | 63° | — | — |
| 2023 | 66° | 52° | 59° | 0.64" | — |
| 2022 | 81° | 51° | 66° | — | — |
| 2021 | 85° | 55° | 70° | — | — |
| 2020 | 82° | 57° | 70° | — | — |
| 2019 | 80° | 55° | 68° | — | — |
| 2018 | 91° | 52° | 71° | — | — |
| 2017warmest | 88° | 61° | 74° | — | — |
| 2016 | 76° | 56° | 66° | — | — |
| 2015 | 72° | 58° | 65° | — | — |
| 2014 | 87° | 55° | 71° | — | — |
| 2013 | 75° | 53° | 64° | — | — |
| 2012 | 72° | 55° | 63° | — | — |
| 2011 | 91° | 55° | 73° | — | — |
| 2010 | 67° | 53° | 60° | — | — |
| 2009 | 67° | 58° | 62° | — | — |
| 2008 | 63° | 56° | 59° | — | — |
| 2007 | 68° | 52° | 60° | — | — |
| 2006 | 66° | 59° | 63° | — | — |
| 2005 | 74° | 57° | 65° | — | — |
| 2004 | 79° | 62° | 70° | — | — |
| 2003 | 67° | 65° | 66° | 0.03" | — |
| 2002 | 75° | 50° | 63° | — | — |
| 2001 | 78° | 49° | 63° | — | — |
| 2000 | 77° | 59° | 68° | — | — |
| 1999coldest | 61° | 50° | 55° | — | — |
| 1998 | 70° | 58° | 64° | 0.23" | — |
| 1997 | 88° | 52° | 70° | — | — |
| 1996 | 82° | 55° | 69° | — | — |
| 1995 | 74° | 57° | 65° | — | — |
| 1994 | 76° | 52° | 64° | — | — |
| 1993 | 71° | 55° | 63° | — | — |
| 1992 | 80° | 61° | 70° | — | — |
| 1991 | 77° | 50° | 64° | — | — |
| 1990 | 87° | 55° | 71° | — | — |
| 1989 | 78° | 66° | 72° | — | — |
| 1988 | 78° | 48° | 63° | — | — |
| 1987 | 88° | 57° | 72° | — | — |
| 1986 | 70° | 52° | 61° | — | — |
| 1985 | 77° | 54° | 65° | — | — |
| 1984 | 78° | 53° | 66° | — | — |
| 1983 | 73° | 53° | 63° | — | — |
| 1982 | 65° | 54° | 59° | 0.15" | — |
| 1981 | 70° | 55° | 62° | — | — |
| 1980 | 78° | 55° | 67° | — | — |
| 1979 | 75° | 52° | 63° | — | — |
| 1978 | 65° | 56° | 60° | — | — |
| 1977 | 72° | 52° | 62° | — | — |
| 1976 | 71° | 54° | 62° | — | — |
| 1975 | 67° | 51° | 59° | — | — |
| 1974 | 62° | 53° | 58° | — | — |
| 1973 | 74° | 46° | 60° | — | — |
| 1972 | 71° | 56° | 63° | — | — |
| 1971 | 68° | 49° | 58° | — | — |
55 years of data from ESCONDIDO #2