Weather on May 9
San Diego, CA
55 Years of Data
Avg High
69°F
Avg Low
59°F
Warmest
1984
75°F avg
Coldest
1999
59°F avg
About This Date
May 9th in San Diego, CA typically brings mild spring weather, with average highs around 69°F and lows near 59°F. Over 55 years of records, the warmest May 9th was in 1984 (75°F average), while the coldest was 1999 (59°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 9th dates historically. 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 San Diego, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 61° | 67° | — | — |
| 2024 | 69° | 60° | 65° | — | — |
| 2023 | 66° | 60° | 63° | — | — |
| 2022 | 67° | 56° | 61° | — | — |
| 2021 | 69° | 61° | 65° | — | — |
| 2020 | 73° | 67° | 70° | — | — |
| 2019 | 67° | 58° | 62° | 0.18" | — |
| 2018 | 70° | 60° | 65° | — | — |
| 2017 | 65° | 59° | 62° | — | — |
| 2016 | 71° | 62° | 67° | — | — |
| 2015 | 67° | 58° | 62° | — | — |
| 2014 | 70° | 57° | 63° | — | — |
| 2013 | 67° | 61° | 64° | — | — |
| 2012 | 69° | 59° | 64° | — | — |
| 2011 | 63° | 58° | 60° | — | — |
| 2010 | 64° | 58° | 61° | — | — |
| 2009 | 66° | 57° | 62° | — | — |
| 2008 | 62° | 57° | 60° | — | — |
| 2007 | 76° | 60° | 68° | — | — |
| 2006 | 66° | 60° | 63° | — | — |
| 2005 | 70° | 59° | 64° | — | — |
| 2004 | 77° | 64° | 71° | — | — |
| 2003 | 63° | 55° | 59° | — | — |
| 2002 | 66° | 57° | 62° | — | — |
| 2001 | 70° | 59° | 64° | — | — |
| 2000 | 70° | 61° | 65° | — | — |
| 1999coldest | 62° | 55° | 59° | — | — |
| 1998 | 63° | 58° | 60° | — | — |
| 1997 | 71° | 63° | 67° | — | — |
| 1996 | 70° | 64° | 67° | — | — |
| 1995 | 68° | 54° | 61° | — | — |
| 1994 | 66° | 58° | 62° | — | — |
| 1993 | 80° | 60° | 70° | — | — |
| 1992 | 66° | 62° | 64° | — | — |
| 1991 | 66° | 58° | 62° | — | — |
| 1990 | 68° | 58° | 63° | — | — |
| 1989 | 69° | 61° | 65° | — | — |
| 1988 | 69° | 54° | 61° | — | — |
| 1987 | 69° | 63° | 66° | — | — |
| 1986 | 74° | 56° | 65° | — | — |
| 1985 | 64° | 60° | 62° | — | — |
| 1984warmest | 87° | 63° | 75° | — | — |
| 1983 | 70° | 63° | 66° | — | — |
| 1982 | 66° | 60° | 63° | — | — |
| 1981 | 79° | 63° | 71° | — | — |
| 1980 | 68° | 61° | 64° | — | — |
| 1979 | 67° | 55° | 61° | — | — |
| 1978 | 78° | 61° | 69° | — | — |
| 1977 | 64° | 56° | 60° | 0.13" | — |
| 1976 | 71° | 61° | 66° | — | — |
| 1975 | 69° | 56° | 62° | — | — |
| 1974 | 66° | 59° | 63° | 0.03" | — |
| 1973 | 68° | 57° | 63° | — | — |
| 1972 | 69° | 60° | 65° | — | — |
| 1971 | 67° | 56° | 61° | — | — |
55 years of data from SAN DIEGO INTL AP