Weather on May 22
San Marcos, CA
55 Years of Data
Avg High
75°F
Avg Low
56°F
Warmest
1992
78°F avg
Coldest
1971
58°F avg
About This Date
May 22nd in San Marcos, CA typically brings pleasant spring weather, with average highs around 75°F and lows near 56°F. Over 55 years of records, the warmest May 22nd was in 1992 (78°F average), while the coldest was 1971 (58°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 22nd dates historically, with the wettest May 22nd recording 2.11" of rain. 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 22nd 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 | 87° | 57° | 72° | — | — |
| 2024 | 76° | 56° | 66° | — | — |
| 2023 | 74° | 60° | 67° | — | — |
| 2022 | 74° | 59° | 66° | — | — |
| 2021 | 71° | 50° | 61° | — | — |
| 2020 | 79° | 58° | 68° | — | — |
| 2019 | 68° | 55° | 62° | — | — |
| 2018 | 72° | 57° | 64° | — | — |
| 2017 | 88° | 59° | 73° | — | — |
| 2016 | 74° | 51° | 62° | — | — |
| 2015 | 69° | 56° | 62° | 0.43" | — |
| 2014 | 69° | 59° | 64° | — | — |
| 2013 | 75° | 61° | 68° | — | — |
| 2012 | 82° | 55° | 69° | — | — |
| 2011 | 70° | 56° | 63° | — | — |
| 2010 | 64° | 55° | 60° | — | — |
| 2009 | 67° | 59° | 63° | — | — |
| 2008 | 65° | 57° | 61° | — | — |
| 2007 | 65° | 57° | 61° | — | — |
| 2006 | 67° | 57° | 62° | 2.11" | — |
| 2005 | 71° | 57° | 64° | 0.03" | — |
| 2004 | 66° | 60° | 63° | — | — |
| 2003 | 87° | 57° | 72° | — | — |
| 2002 | 72° | 46° | 59° | — | — |
| 2001 | 89° | 60° | 75° | — | — |
| 2000 | 84° | 57° | 71° | — | — |
| 1999 | 69° | 54° | 61° | — | — |
| 1998 | 72° | 58° | 65° | — | — |
| 1997 | 81° | 62° | 71° | — | — |
| 1996 | 78° | 60° | 69° | — | — |
| 1995 | 70° | 55° | 62° | — | — |
| 1994 | 71° | 55° | 63° | — | — |
| 1993 | 80° | 60° | 70° | — | — |
| 1992warmest | 81° | 76° | 78° | — | — |
| 1991 | 70° | 54° | 62° | — | — |
| 1990 | 83° | 55° | 69° | — | — |
| 1989 | 81° | 54° | 67° | — | — |
| 1988 | 90° | 58° | 74° | — | — |
| 1987 | 74° | 48° | 61° | — | — |
| 1986 | 75° | 55° | 65° | — | — |
| 1985 | 84° | 56° | 70° | — | — |
| 1984 | 77° | 60° | 69° | — | — |
| 1983 | 79° | 58° | 68° | — | — |
| 1982 | 72° | 58° | 65° | — | — |
| 1981 | 77° | 49° | 63° | — | — |
| 1980 | 67° | 53° | 60° | 0.03" | — |
| 1979 | 82° | 51° | 67° | — | — |
| 1978 | 75° | 57° | 66° | — | — |
| 1977 | 78° | 42° | 60° | — | — |
| 1976 | 74° | 54° | 64° | — | — |
| 1975 | 70° | 46° | 58° | — | — |
| 1974 | 84° | 48° | 66° | — | — |
| 1973 | 75° | 53° | 64° | — | — |
| 1972 | 73° | 47° | 60° | — | — |
| 1971coldest | 68° | 48° | 58° | — | — |
55 years of data from ESCONDIDO #2