Weather on May 9
Oceanside, CA
55 Years of Data
Avg High
68°F
Avg Low
54°F
Warmest
2020
67°F avg
Coldest
1979
54°F avg
About This Date
May 9th in Oceanside, CA typically brings mild spring weather, with average highs around 68°F and lows near 54°F. Over 54 years of records, the warmest May 9th was in 2020 (67°F average), while the coldest was 1979 (54°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 9th dates historically, with the wettest May 9th recording 1.19" 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 9th in Oceanside, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 58° | 60° | — | — |
| 2024 | 72° | 51° | 61° | — | — |
| 2023 | 69° | 49° | 59° | — | — |
| 2022 | 68° | 47° | 57° | — | — |
| 2021 | 69° | 51° | 60° | — | — |
| 2020warmest | 74° | 61° | 67° | — | — |
| 2019 | 67° | 58° | 62° | 0.2" | — |
| 2018 | 71° | 60° | 66° | — | — |
| 2017 | 68° | 57° | 63° | — | — |
| 2016 | 70° | 52° | 61° | — | — |
| 2015 | 68° | 49° | 58° | — | — |
| 2014 | 70° | 47° | 58° | — | — |
| 2013 | 71° | 53° | 62° | — | — |
| 2012 | 71° | 54° | 62° | — | — |
| 2011 | 65° | 53° | 59° | — | — |
| 2010 | 65° | 51° | 58° | — | — |
| 2009 | 70° | 59° | 64° | — | — |
| 2008 | 66° | 58° | 62° | — | — |
| 2007 | 78° | 51° | 65° | — | — |
| 2006 | 69° | 54° | 61° | — | — |
| 2005 | 71° | 51° | 61° | — | — |
| 2004 | 76° | 54° | 65° | — | — |
| 2003 | 64° | 47° | 55° | — | — |
| 2002 | 67° | 56° | 61° | — | — |
| 2001 | 71° | 51° | 61° | — | — |
| 2000 | 70° | 57° | 63° | — | — |
| 1999 | 68° | 54° | 61° | — | — |
| 1998 | 64° | 58° | 61° | — | — |
| 1997 | 67° | 59° | 63° | — | — |
| 1996 | 67° | 54° | 60° | — | — |
| 1995 | 61° | 55° | 58° | — | — |
| 1994 | 62° | 53° | 58° | — | — |
| 1993 | 71° | 55° | 63° | — | — |
| 1992 | 67° | 60° | 63° | — | — |
| 1991 | 64° | 57° | 61° | — | — |
| 1990 | 64° | 55° | 60° | — | — |
| 1989 | 66° | 59° | 63° | — | — |
| 1988 | 62° | 48° | 55° | — | — |
| 1987 | 64° | 60° | 62° | — | — |
| 1986 | 66° | 50° | 58° | — | — |
| 1985 | 61° | 54° | 57° | — | — |
| 1983 | 67° | 57° | 62° | — | — |
| 1982 | 64° | 55° | 60° | — | — |
| 1981 | 71° | 54° | 62° | — | — |
| 1980 | 64° | 54° | 59° | — | — |
| 1979coldest | 64° | 45° | 54° | — | — |
| 1978 | 68° | 52° | 60° | — | — |
| 1977 | 62° | 52° | 57° | 1.19" | — |
| 1976 | 69° | 51° | 60° | — | — |
| 1975 | 69° | 46° | 58° | — | — |
| 1974 | 67° | 58° | 62° | — | — |
| 1973 | 65° | 53° | 59° | — | — |
| 1972 | 71° | 52° | 61° | — | — |
| 1971 | 68° | 49° | 58° | — | — |
54 years of data from OCEANSIDE MUNI AP