Weather on October 17
Santa Ana, CA
55 Years of Data
Avg High
79°F
Avg Low
59°F
Warmest
2017
80°F avg
Coldest
1971
55°F avg
About This Date
October 17th in Santa Ana, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 59°F. Over 55 years of records, the warmest October 17th was in 2017 (80°F average), while the coldest was 1971 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 9% of October 17th dates historically, with the wettest October 17th recording 2.64" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Santa Ana, CA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 55° | 70° | — | — |
| 2024 | 73° | 62° | 68° | — | — |
| 2023 | 81° | 64° | 72° | — | — |
| 2022 | 81° | 59° | 70° | — | — |
| 2021 | 80° | 55° | 68° | — | — |
| 2020 | 86° | 63° | 74° | — | — |
| 2019 | 76° | 61° | 68° | — | — |
| 2018 | 82° | 57° | 70° | — | — |
| 2017warmest | 95° | 64° | 80° | — | — |
| 2016 | 75° | 62° | 69° | 0.48" | — |
| 2015 | 84° | 70° | 77° | — | — |
| 2014 | 79° | 62° | 70° | — | — |
| 2013 | 83° | 57° | 70° | — | — |
| 2012 | 94° | 63° | 78° | — | — |
| 2011 | 80° | 57° | 69° | — | — |
| 2010 | 69° | 61° | 65° | 0.05" | — |
| 2009 | 92° | 63° | 77° | — | — |
| 2008 | 93° | 56° | 74° | — | — |
| 2007 | 73° | 55° | 64° | — | — |
| 2006 | 74° | 67° | 70° | — | — |
| 2005 | 66° | 58° | 62° | 0.2" | — |
| 2004 | 71° | 58° | 64° | 2.64" | — |
| 2003 | 87° | 67° | 77° | — | — |
| 2002 | 70° | 58° | 64° | — | — |
| 2001 | 78° | 57° | 68° | — | — |
| 2000 | 80° | 55° | 68° | — | — |
| 1999 | 90° | 53° | 71° | — | — |
| 1998 | 85° | 59° | 72° | — | — |
| 1997 | 94° | 60° | 77° | — | — |
| 1996 | 77° | 63° | 70° | — | — |
| 1995 | 78° | 57° | 68° | — | — |
| 1994 | 77° | 52° | 64° | — | — |
| 1993 | 71° | 57° | 64° | — | — |
| 1992 | 78° | 55° | 67° | — | — |
| 1991 | 79° | 63° | 71° | — | — |
| 1990 | 79° | 65° | 72° | — | — |
| 1989 | 76° | 57° | 66° | — | — |
| 1988 | 90° | 63° | 76° | — | — |
| 1987 | 78° | 64° | 71° | — | — |
| 1986 | 74° | 58° | 66° | — | — |
| 1985 | 75° | 61° | 68° | — | — |
| 1984 | 73° | 53° | 63° | 0.38" | — |
| 1983 | 75° | 64° | 70° | — | — |
| 1982 | 79° | 56° | 67° | — | — |
| 1981 | 83° | 50° | 66° | — | — |
| 1980 | 72° | 49° | 60° | — | — |
| 1979 | 74° | 59° | 66° | — | — |
| 1978 | 75° | 65° | 70° | — | — |
| 1977 | 78° | 60° | 69° | — | — |
| 1976 | 77° | 60° | 69° | — | — |
| 1975 | 75° | 47° | 61° | — | — |
| 1974 | 96° | 57° | 77° | — | — |
| 1973 | 90° | 51° | 70° | — | — |
| 1972 | 72° | 57° | 64° | — | — |
| 1971coldest | 64° | 46° | 55° | — | — |
55 years of data from SANTA ANA FIRE STN