Weather on March 12
Oceanside, CA
55 Years of Data
Avg High
65°F
Avg Low
47°F
Warmest
2026
65°F avg
Coldest
1999
48°F avg
About This Date
March 12th in Oceanside, CA typically brings mild spring weather, with average highs around 65°F and lows near 47°F. Over 56 years of records, the warmest March 12th was in 2026 (65°F average), while the coldest was 1999 (48°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 21% of March 12th dates historically, with the wettest March 12th recording 2.67" 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 March 12th in Oceanside, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 85° | 46° | 65° | — | — |
| 2025 | 63° | 53° | 58° | 0.33" | — |
| 2024 | 66° | 50° | 58° | 0.15" | — |
| 2023 | 63° | 56° | 59° | — | — |
| 2022 | 74° | 37° | 55° | — | — |
| 2021 | 59° | 41° | 50° | — | — |
| 2020 | 62° | 52° | 57° | 2.67" | — |
| 2019 | 63° | 50° | 56° | 0.46" | — |
| 2018 | 67° | 56° | 61° | — | — |
| 2017 | 66° | 51° | 59° | — | — |
| 2016 | 63° | 45° | 54° | — | — |
| 2015 | 76° | 46° | 61° | — | — |
| 2014 | 70° | 48° | 59° | — | — |
| 2013 | 64° | 40° | 52° | — | — |
| 2012 | 63° | 44° | 53° | — | — |
| 2011 | 64° | 49° | 56° | — | — |
| 2010 | 64° | 40° | 52° | 0.03" | — |
| 2009 | 63° | 43° | 53° | — | — |
| 2008 | 70° | 42° | 56° | — | — |
| 2007 | 85° | 44° | 64° | — | — |
| 2006 | 58° | 42° | 50° | 0.03" | — |
| 2005 | 62° | 57° | 60° | — | — |
| 2004 | 63° | 57° | 60° | — | — |
| 2003 | 65° | 51° | 58° | — | — |
| 2002 | 67° | 50° | 58° | — | — |
| 2001 | 65° | 46° | 55° | — | — |
| 2000 | 64° | 40° | 52° | — | — |
| 1999coldest | 57° | 40° | 48° | — | — |
| 1998 | 68° | 47° | 57° | — | — |
| 1997 | 71° | 53° | 62° | — | — |
| 1996 | 63° | 53° | 58° | 0.3" | — |
| 1995 | 66° | 51° | 59° | 0.61" | — |
| 1994 | 75° | 42° | 59° | — | — |
| 1993 | 66° | 50° | 58° | — | — |
| 1992 | 62° | 51° | 57° | — | — |
| 1991 | 60° | 41° | 51° | — | — |
| 1990 | 55° | 47° | 51° | — | — |
| 1989 | 57° | 53° | 55° | — | — |
| 1988 | 67° | 40° | 53° | — | — |
| 1987 | 60° | 53° | 57° | — | — |
| 1986 | 61° | 50° | 55° | 0.36" | — |
| 1985 | 58° | 44° | 51° | — | — |
| 1984 | 65° | 48° | 56° | — | — |
| 1983 | 68° | 53° | 61° | — | — |
| 1982 | 66° | 54° | 60° | 0.03" | — |
| 1981 | 64° | 53° | 59° | — | — |
| 1980 | 72° | 52° | 62° | — | — |
| 1979 | 64° | 48° | 56° | — | — |
| 1978 | 60° | 47° | 53° | 2.03" | — |
| 1977 | 67° | 42° | 54° | — | — |
| 1976 | 67° | 42° | 54° | — | — |
| 1975 | 62° | 36° | 49° | — | — |
| 1974 | 66° | 45° | 55° | — | — |
| 1973 | 61° | 44° | 52° | 0.38" | — |
| 1972 | 60° | 50° | 55° | — | — |
| 1971 | 63° | 47° | 55° | — | — |
56 years of data from OCEANSIDE MUNI AP