Weather on May 31
San Diego, CA
55 Years of Data
Avg High
70°F
Avg Low
61°F
Warmest
2004
73°F avg
Coldest
1971
61°F avg
About This Date
May 31st in San Diego, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 61°F. Over 55 years of records, the warmest May 31st was in 2004 (73°F average), while the coldest was 1971 (61°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 31st dates historically. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for May 31st in San Diego, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 62° | 69° | — | — |
| 2024 | 69° | 60° | 65° | — | — |
| 2023 | 66° | 57° | 62° | — | — |
| 2022 | 68° | 60° | 64° | — | — |
| 2021 | 70° | 62° | 66° | — | — |
| 2020 | 73° | 64° | 69° | — | — |
| 2019 | 67° | 61° | 64° | — | — |
| 2018 | 70° | 60° | 65° | — | — |
| 2017 | 65° | 60° | 62° | — | — |
| 2016 | 67° | 62° | 64° | — | — |
| 2015 | 70° | 57° | 63° | — | — |
| 2014 | 74° | 63° | 68° | — | — |
| 2013 | 71° | 63° | 67° | — | — |
| 2012 | 69° | 60° | 65° | — | — |
| 2011 | 72° | 58° | 65° | — | — |
| 2010 | 66° | 60° | 63° | — | — |
| 2009 | 65° | 59° | 62° | — | — |
| 2008 | 66° | 61° | 63° | — | — |
| 2007 | 66° | 60° | 63° | — | — |
| 2006 | 77° | 63° | 70° | — | — |
| 2005 | 70° | 63° | 66° | — | — |
| 2004warmest | 82° | 64° | 73° | — | — |
| 2003 | 65° | 61° | 63° | — | — |
| 2002 | 69° | 61° | 65° | — | — |
| 2001 | 70° | 62° | 66° | — | — |
| 2000 | 68° | 62° | 65° | — | — |
| 1999 | 69° | 59° | 64° | — | — |
| 1998 | 69° | 59° | 64° | — | — |
| 1997 | 76° | 67° | 71° | — | — |
| 1996 | 69° | 62° | 66° | — | — |
| 1995 | 66° | 59° | 63° | — | — |
| 1994 | 71° | 61° | 66° | — | — |
| 1993 | 73° | 63° | 68° | — | — |
| 1992 | 74° | 65° | 69° | — | — |
| 1991 | 66° | 57° | 62° | — | — |
| 1990 | 69° | 59° | 64° | — | — |
| 1989 | 67° | 59° | 63° | — | — |
| 1988 | 72° | 56° | 64° | — | — |
| 1987 | 70° | 59° | 64° | — | — |
| 1986 | 69° | 61° | 65° | — | — |
| 1985 | 67° | 62° | 64° | — | — |
| 1984 | 72° | 64° | 68° | — | — |
| 1983 | 68° | 63° | 65° | 0.03" | — |
| 1982 | 71° | 60° | 66° | — | — |
| 1981 | 71° | 65° | 68° | — | — |
| 1980 | 66° | 60° | 63° | — | — |
| 1979 | 66° | 63° | 64° | — | — |
| 1978 | 70° | 63° | 66° | — | — |
| 1977 | 70° | 61° | 65° | — | — |
| 1976 | 73° | 64° | 69° | — | — |
| 1975 | 70° | 60° | 65° | — | — |
| 1974 | 66° | 60° | 63° | — | — |
| 1973 | 68° | 62° | 65° | — | — |
| 1972 | 75° | 63° | 69° | — | — |
| 1971coldest | 65° | 57° | 61° | — | — |
55 years of data from SAN DIEGO INTL AP