Weather on May 31
Santa Ana, CA
55 Years of Data
About This Date
May 31st in Santa Ana, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 59°F. Over 55 years of records, the warmest May 31st was in 2025 (77°F average), while the coldest was 1980 (60°F) — a 17°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for May 31st in Santa Ana, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 87° | 66° | 77° | — | — |
| 2024 | 74° | 60° | 67° | — | — |
| 2023 | 65° | 58° | 61° | — | — |
| 2022 | 77° | 56° | 66° | — | — |
| 2021 | 75° | 60° | 68° | — | — |
| 2020 | 81° | 60° | 70° | — | — |
| 2019 | 74° | 60° | 67° | — | — |
| 2018 | 75° | 60° | 68° | — | — |
| 2017 | 69° | 61° | 65° | — | — |
| 2016 | 73° | 60° | 67° | — | — |
| 2015 | 73° | 60° | 67° | — | — |
| 2014 | 82° | 60° | 71° | — | — |
| 2013 | 79° | 63° | 71° | — | — |
| 2012 | 81° | 61° | 71° | — | — |
| 2011 | 80° | 52° | 66° | — | — |
| 2010 | 76° | 58° | 67° | — | — |
| 2009 | 69° | 59° | 64° | — | — |
| 2008 | 79° | 57° | 68° | — | — |
| 2007 | 75° | 56° | 65° | — | — |
| 2006 | 87° | 61° | 74° | — | — |
| 2005 | 78° | 59° | 69° | — | — |
| 2004 | 89° | 58° | 73° | — | — |
| 2003 | 75° | 60° | 68° | — | — |
| 2002 | 81° | 58° | 69° | — | — |
| 2001 | 81° | 60° | 70° | — | — |
| 2000 | 79° | 60° | 69° | — | — |
| 1999 | 75° | 55° | 65° | — | — |
| 1998 | 74° | 58° | 66° | — | — |
| 1997 | 82° | 64° | 73° | — | — |
| 1996 | 76° | 54° | 65° | — | — |
| 1995 | 74° | 60° | 67° | — | — |
| 1994 | 75° | 59° | 67° | — | — |
| 1993 | 77° | 63° | 70° | — | — |
| 1992 | 85° | 64° | 74° | — | — |
| 1991 | 69° | 52° | 60° | — | — |
| 1990 | 72° | 58° | 65° | — | — |
| 1989 | 75° | 56° | 65° | — | — |
| 1988 | 76° | 52° | 64° | — | — |
| 1987 | 80° | 57° | 69° | — | — |
| 1986 | 75° | 60° | 68° | — | — |
| 1985 | 69° | 58° | 63° | — | — |
| 1984 | 76° | 63° | 69° | — | — |
| 1983 | 70° | 59° | 64° | — | — |
| 1982 | 70° | 55° | 62° | — | — |
| 1981 | 79° | 62° | 70° | — | — |
| 1980coldest | 64° | 55° | 60° | — | — |
| 1979 | 71° | 58° | 64° | — | — |
| 1978 | 74° | 61° | 67° | — | — |
| 1977 | 77° | 62° | 70° | — | — |
| 1976 | 76° | 54° | 65° | — | — |
| 1975 | 73° | 59° | 66° | — | — |
| 1974 | 71° | 59° | 65° | — | — |
| 1973 | 72° | 59° | 65° | — | — |
| 1972 | 83° | 61° | 72° | — | — |
| 1971 | 67° | 56° | 61° | — | — |
Santa Ana, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Santa Ana, CA Monthly Precipitation
Average rainfall per month, in inches.
Santa Ana, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Santa Ana, CA
Most pleasant months in Santa Ana, CA: June, July.