Weather on January 9
El Cajon, CA
55 Years of Data
Avg High
68°F
Avg Low
43°F
Warmest
2006
74°F avg
Coldest
1971
45°F avg
About This Date
January 9th in El Cajon, CA typically brings mild winter weather, with average highs around 68°F and lows near 43°F — a 25°F daily swing. Over 56 years of records, the warmest January 9th was in 2006 (74°F average), while the coldest was 1971 (45°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 23% of January 9th dates historically, with the wettest January 9th recording 3.63" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for January 9th in El Cajon, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 65° | 37° | 51° | — | — |
| 2025 | 75° | 37° | 56° | — | — |
| 2024 | 65° | 33° | 49° | — | — |
| 2023 | 69° | 45° | 57° | — | — |
| 2022 | 77° | 39° | 58° | — | — |
| 2021 | 74° | 37° | 55° | — | — |
| 2020 | 59° | 51° | 55° | 0.03" | — |
| 2019 | 70° | 42° | 56° | — | — |
| 2018 | 63° | 56° | 59° | 3.15" | — |
| 2017 | 63° | 55° | 59° | 0.51" | — |
| 2016 | 62° | 39° | 51° | — | — |
| 2015 | 70° | 52° | 61° | — | — |
| 2014 | 64° | 51° | 58° | — | — |
| 2013 | 69° | 40° | 54° | — | — |
| 2012 | 73° | 37° | 55° | — | — |
| 2011 | 57° | 47° | 52° | — | — |
| 2010 | 82° | 44° | 63° | — | — |
| 2009 | 75° | 49° | 62° | — | — |
| 2008 | 63° | 45° | 54° | — | — |
| 2007 | 80° | 40° | 60° | — | — |
| 2006warmest | 79° | 70° | 74° | — | — |
| 2005 | 65° | 54° | 59° | 0.08" | — |
| 2004 | 78° | 41° | 60° | — | — |
| 2003 | 67° | 43° | 55° | — | — |
| 2002 | 73° | 48° | 61° | — | — |
| 2001 | 64° | 44° | 54° | 0.53" | — |
| 2000 | 72° | 34° | 53° | — | — |
| 1999 | 78° | 38° | 58° | — | — |
| 1998 | 60° | 47° | 53° | 1.65" | — |
| 1997 | 68° | 36° | 52° | — | — |
| 1996 | 73° | 46° | 60° | — | — |
| 1995 | 68° | 49° | 58° | — | — |
| 1994 | 66° | 35° | 51° | — | — |
| 1993 | 60° | 54° | 57° | 0.05" | — |
| 1992 | 72° | 36° | 54° | — | — |
| 1991 | — | 49° | — | — | — |
| 1990 | 79° | 42° | 60° | — | — |
| 1989 | 65° | 29° | 47° | — | — |
| 1988 | 67° | 43° | 55° | — | — |
| 1987 | 65° | 36° | 50° | — | — |
| 1986 | 77° | 36° | 56° | — | — |
| 1985 | 62° | 45° | 53° | — | — |
| 1984 | 67° | 52° | 59° | — | — |
| 1983 | 85° | 39° | 62° | — | — |
| 1982 | 75° | 37° | 56° | — | — |
| 1981 | 73° | 39° | 56° | — | — |
| 1980 | 63° | 55° | 59° | 3.63" | — |
| 1979 | 56° | 49° | 52° | 0.56" | — |
| 1978 | 69° | 44° | 57° | 0.58" | — |
| 1977 | 63° | 35° | 49° | — | — |
| 1976 | 69° | 34° | 51° | — | — |
| 1975 | 61° | 46° | 53° | 0.15" | — |
| 1974 | 58° | 48° | 53° | 0.03" | — |
| 1973 | 60° | 45° | 52° | 0.18" | — |
| 1972 | 64° | 30° | 47° | — | — |
| 1971coldest | 59° | 31° | 45° | — | — |
56 years of data from GILLESPIE FLD