Weather on December 31
El Monte, CA
55 Years of Data
Avg High
67°F
Avg Low
44°F
Warmest
1997
72°F avg
Coldest
1988
46°F avg
About This Date
December 31st in El Monte, CA typically brings mild winter weather, with average highs around 67°F and lows near 44°F. Over 55 years of records, the warmest December 31st was in 1997 (72°F average), while the coldest was 1988 (46°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 31st dates historically, with the wettest December 31st recording 2.62" 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 December 31st in El Monte, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 53° | 61° | — | — |
| 2024 | 59° | 44° | 52° | — | — |
| 2023 | 64° | 48° | 56° | 0.03" | — |
| 2022 | 57° | 53° | 55° | — | — |
| 2021 | 58° | 48° | 53° | — | — |
| 2020 | 67° | 48° | 57° | — | — |
| 2019 | 72° | 56° | 64° | — | — |
| 2018 | 59° | 48° | 54° | — | — |
| 2017 | 69° | 52° | 60° | — | — |
| 2016 | 64° | 51° | 58° | 0.97" | — |
| 2015 | 68° | 44° | 56° | — | — |
| 2014 | 56° | — | — | — | — |
| 2013 | 73° | 42° | 58° | — | — |
| 2012 | 60° | 34° | 47° | — | — |
| 2011 | 81° | 56° | 68° | — | — |
| 2010 | 57° | 39° | 48° | — | — |
| 2009 | 69° | 43° | 56° | — | — |
| 2008 | 70° | 44° | 57° | — | — |
| 2007 | 75° | 41° | 58° | — | — |
| 2006 | 63° | 43° | 53° | — | — |
| 2005 | 57° | 47° | 52° | 2.62" | — |
| 2004 | 55° | 46° | 51° | — | — |
| 2003 | 70° | 46° | 58° | — | — |
| 2002 | 61° | 42° | 51° | — | — |
| 2001 | 61° | 53° | 57° | — | — |
| 2000 | 80° | 39° | 60° | — | — |
| 1999 | 69° | 50° | 60° | 0.56" | — |
| 1998 | 60° | 46° | 53° | — | — |
| 1997warmest | 92° | 53° | 72° | — | — |
| 1996 | 64° | 51° | 58° | — | — |
| 1995 | 67° | 47° | 57° | — | — |
| 1994 | 64° | 39° | 52° | — | — |
| 1993 | 76° | 38° | 57° | — | — |
| 1992 | 68° | 38° | 53° | — | — |
| 1991 | 64° | 41° | 53° | — | — |
| 1990 | 71° | 33° | 52° | — | — |
| 1989 | 75° | 39° | 57° | — | — |
| 1988coldest | 58° | 35° | 46° | — | — |
| 1987 | 65° | 31° | 48° | — | — |
| 1986 | 70° | 40° | 55° | — | — |
| 1985 | 74° | 50° | 62° | — | — |
| 1984 | 70° | 37° | 53° | — | — |
| 1983 | 78° | 47° | 62° | — | — |
| 1982 | 66° | 32° | 49° | — | — |
| 1981 | 60° | 52° | 56° | 0.03" | — |
| 1980 | 83° | 47° | 65° | — | — |
| 1979 | 73° | 49° | 61° | — | — |
| 1978 | 66° | 33° | 50° | — | — |
| 1977 | 64° | 47° | 55° | — | — |
| 1976 | 63° | 49° | 56° | 0.2" | — |
| 1975 | 61° | 41° | 51° | — | — |
| 1974 | 59° | 40° | 49° | 0.08" | — |
| 1973 | 64° | 40° | 52° | — | — |
| 1972 | 63° | 32° | 47° | — | — |
| 1971 | 66° | 34° | 50° | — | — |
55 years of data from SAN GABRIEL FIRE DEPT