Weather on October 31
Santa Ana, CA
55 Years of Data
About This Date
October 31st in Santa Ana, CA typically brings pleasant fall weather, with average highs around 77°F and lows near 54°F. Over 55 years of records, the warmest October 31st was in 2008 (76°F average), while the coldest was 1971 (54°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 31st dates historically, with the wettest October 31st recording 1.7" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for October 31st in Santa Ana, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 60° | 69° | — | — |
| 2024 | 75° | 51° | 63° | — | — |
| 2023 | 89° | 60° | 75° | — | — |
| 2022 | 79° | 55° | 67° | — | — |
| 2021 | 70° | 59° | 64° | — | — |
| 2020 | 80° | 53° | 67° | — | — |
| 2019 | 83° | 49° | 66° | — | — |
| 2018 | 80° | 59° | 70° | — | — |
| 2017 | 71° | 62° | 67° | — | — |
| 2016 | 73° | 59° | 66° | — | — |
| 2015 | 90° | 61° | 75° | — | — |
| 2014 | 72° | 61° | 66° | — | — |
| 2013 | 81° | 50° | 65° | — | — |
| 2012 | 73° | 57° | 65° | — | — |
| 2011 | 78° | 56° | 67° | — | — |
| 2010 | 75° | 52° | 63° | — | — |
| 2009 | 79° | 50° | 64° | — | — |
| 2008warmest | 89° | 63° | 76° | — | — |
| 2007 | 79° | 51° | 65° | — | — |
| 2006 | 73° | 54° | 63° | — | — |
| 2005 | 91° | 53° | 72° | — | — |
| 2004 | 75° | 50° | 63° | — | — |
| 2003 | 68° | 53° | 61° | — | — |
| 2002 | 70° | 55° | 62° | — | — |
| 2001 | 72° | 56° | 64° | — | — |
| 2000 | 70° | 49° | 59° | — | — |
| 1999 | 90° | 53° | 71° | — | — |
| 1998 | 73° | 54° | 63° | — | — |
| 1997 | 83° | 55° | 69° | — | — |
| 1996 | 64° | 47° | 55° | — | — |
| 1995 | 69° | 59° | 64° | — | — |
| 1994 | 80° | 52° | 66° | — | — |
| 1993 | 79° | 60° | 69° | — | — |
| 1992 | 75° | 56° | 65° | 0.05" | — |
| 1991 | 76° | 47° | 61° | — | — |
| 1990 | 75° | 55° | 65° | — | — |
| 1989 | 79° | 51° | 65° | — | — |
| 1988 | 81° | 55° | 68° | — | — |
| 1987 | 69° | 58° | 63° | 1.7" | — |
| 1986 | 73° | 61° | 67° | — | — |
| 1985 | 75° | 69° | 72° | — | — |
| 1984 | 71° | 55° | 63° | — | — |
| 1983 | 75° | 63° | 69° | — | — |
| 1982 | 73° | 56° | 64° | 0.15" | — |
| 1981 | 86° | 48° | 67° | — | — |
| 1980 | 87° | 59° | 73° | — | — |
| 1979 | 72° | 50° | 61° | — | — |
| 1978 | 72° | 54° | 63° | — | — |
| 1977 | 73° | 52° | 62° | — | — |
| 1976 | 81° | 45° | 63° | — | — |
| 1975 | 70° | 49° | 59° | — | — |
| 1974 | 69° | 49° | 59° | 0.03" | — |
| 1973 | 89° | 48° | 69° | — | — |
| 1972 | 71° | 44° | 58° | — | — |
| 1971coldest | 67° | 41° | 54° | — | — |
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.