Weather on January 17
El Cajon, CA
55 Years of Data
Avg High
71°F
Avg Low
43°F
Warmest
2011
68°F avg
Coldest
1987
41°F avg
About This Date
January 17th in El Cajon, CA typically brings pleasant winter weather, with average highs around 71°F and lows near 43°F — a 28°F daily swing. Over 55 years of records, the warmest January 17th was in 2011 (68°F average), while the coldest was 1987 (41°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 18% of January 17th dates historically, with the wettest January 17th recording 2.79" of rain. 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 January 17th in El Cajon, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 84° | 41° | 63° | — | — |
| 2025 | 62° | 38° | 50° | — | — |
| 2024 | 66° | 48° | 57° | — | — |
| 2023 | 56° | 46° | 51° | 0.56" | — |
| 2022 | 68° | 51° | 60° | — | — |
| 2021 | 87° | 45° | 66° | — | — |
| 2020 | 64° | 47° | 55° | 0.38" | — |
| 2019 | 62° | 53° | 58° | 0.64" | — |
| 2018 | 80° | 47° | 63° | — | — |
| 2017 | 69° | 41° | 55° | — | — |
| 2016 | 77° | 45° | 61° | — | — |
| 2015 | 79° | 42° | 60° | — | — |
| 2014 | 85° | 40° | 62° | — | — |
| 2013 | 79° | 34° | 56° | — | — |
| 2012 | 60° | 44° | 52° | — | — |
| 2011warmest | 87° | 49° | 68° | — | — |
| 2010 | 64° | 46° | 55° | — | — |
| 2009 | 84° | 40° | 62° | — | — |
| 2008 | 66° | 38° | 52° | — | — |
| 2007 | 68° | 28° | 48° | — | — |
| 2006 | 72° | 36° | 54° | — | — |
| 2005 | 78° | 38° | 58° | — | — |
| 2004 | 68° | 50° | 59° | — | — |
| 2003 | 83° | 40° | 61° | — | — |
| 2002 | 67° | 37° | 52° | — | — |
| 2001 | 64° | 32° | 48° | — | — |
| 2000 | 80° | 45° | 62° | — | — |
| 1999 | 72° | 54° | 63° | — | — |
| 1998 | 74° | 48° | 61° | — | — |
| 1997 | 80° | 37° | 59° | — | — |
| 1995 | 59° | 44° | 52° | 0.25" | — |
| 1994 | 80° | 39° | 60° | — | — |
| 1993 | 71° | 62° | 67° | 1.5" | — |
| 1992 | 68° | 34° | 51° | — | — |
| 1991 | 73° | 41° | 57° | — | — |
| 1990 | 52° | 46° | 49° | 2.13" | — |
| 1989 | 75° | 32° | 54° | — | — |
| 1988 | 56° | 47° | 51° | 2.79" | — |
| 1987coldest | 56° | 26° | 41° | — | — |
| 1986 | 73° | 41° | 57° | — | — |
| 1985 | 70° | 34° | 52° | — | — |
| 1984 | 65° | 33° | 49° | — | — |
| 1983 | 72° | 52° | 62° | — | — |
| 1982 | 70° | 39° | 54° | — | — |
| 1981 | 73° | 46° | 60° | — | — |
| 1980 | 64° | 56° | 60° | — | — |
| 1979 | 60° | 50° | 55° | 1.6" | — |
| 1978 | 64° | 51° | 58° | 2.31" | — |
| 1977 | 81° | 40° | 60° | — | — |
| 1976 | 87° | 40° | 63° | — | — |
| 1975 | 85° | 35° | 60° | — | — |
| 1974 | 71° | 56° | 63° | — | — |
| 1973 | 62° | 46° | 54° | 1.27" | — |
| 1972 | 69° | 34° | 51° | — | — |
| 1971 | 82° | 41° | 62° | — | — |
55 years of data from GILLESPIE FLD