Weather on January 31
El Cajon, CA
55 Years of Data
Avg High
69°F
Avg Low
42°F
Warmest
2003
70°F avg
Coldest
1985
45°F avg
About This Date
January 31st in El Cajon, CA typically brings mild winter weather, with average highs around 69°F and lows near 42°F — a 27°F daily swing. Over 55 years of records, the warmest January 31st was in 2003 (70°F average), while the coldest was 1985 (45°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 29% of January 31st dates historically, with the wettest January 31st recording 8.38" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for January 31st 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 | 86° | 44° | 65° | — | — |
| 2025 | 66° | 37° | 52° | — | — |
| 2024 | 72° | 44° | 58° | — | — |
| 2023 | 62° | 42° | 52° | 0.23" | — |
| 2022 | 66° | 37° | 52° | — | — |
| 2021 | 71° | 38° | 54° | — | — |
| 2020 | 82° | 40° | 61° | — | — |
| 2019 | 65° | 50° | 57° | 0.64" | — |
| 2018 | 82° | 45° | 63° | — | — |
| 2017 | 79° | 42° | 60° | — | — |
| 2016 | 58° | 55° | 56° | 0.89" | — |
| 2015 | 68° | 49° | 58° | 0.05" | — |
| 2014 | 63° | 54° | 58° | 0.36" | — |
| 2013 | 75° | 41° | 58° | — | — |
| 2012 | 66° | 40° | 53° | — | — |
| 2011 | 65° | 47° | 56° | 0.33" | — |
| 2010 | 63° | 45° | 54° | — | — |
| 2009 | 83° | 40° | 61° | — | — |
| 2008 | 67° | 37° | 52° | — | — |
| 2007 | 58° | 44° | 51° | 0.08" | — |
| 2006 | 67° | 49° | 58° | — | — |
| 2005 | 69° | 42° | 56° | — | — |
| 2004 | 63° | 51° | 57° | — | — |
| 2003warmest | 92° | 48° | 70° | — | — |
| 2002 | 64° | 29° | 46° | — | — |
| 2001 | 61° | 36° | 48° | — | — |
| 2000 | 63° | 54° | 58° | — | — |
| 1999 | 60° | 46° | 53° | 0.18" | — |
| 1998 | 64° | 43° | 53° | 0.05" | — |
| 1997 | 80° | 43° | 61° | — | — |
| 1995 | 78° | 41° | 60° | — | — |
| 1994 | 68° | 35° | 52° | — | — |
| 1993 | 67° | 51° | 59° | 1.14" | — |
| 1992 | 81° | 40° | 60° | — | — |
| 1991 | 72° | 35° | 53° | — | — |
| 1990 | 64° | 42° | 53° | 1.19" | — |
| 1989 | 73° | 37° | 55° | — | — |
| 1988 | 57° | 45° | 51° | — | — |
| 1987 | 66° | 45° | 55° | — | — |
| 1986 | 69° | 53° | 61° | 0.13" | — |
| 1985coldest | 58° | 33° | 45° | — | — |
| 1984 | 77° | 46° | 62° | — | — |
| 1983 | 63° | 39° | 51° | — | — |
| 1982 | 69° | 35° | 52° | — | — |
| 1981 | 62° | 36° | 49° | — | — |
| 1980 | 76° | 50° | 63° | — | — |
| 1979 | 57° | 45° | 51° | 8.38" | — |
| 1978 | 63° | 50° | 56° | 0.86" | — |
| 1977 | 72° | 38° | 55° | — | — |
| 1976 | 84° | 39° | 62° | — | — |
| 1975 | 57° | 35° | 46° | 0.08" | — |
| 1974 | 69° | 34° | 51° | — | — |
| 1973 | 63° | 45° | 54° | 0.03" | — |
| 1972 | 69° | 25° | 47° | — | — |
| 1971 | 76° | 40° | 58° | — | — |
55 years of data from GILLESPIE FLD