Weather on December 19
El Monte, CA
55 Years of Data
Avg High
69°F
Avg Low
45°F
Warmest
2004
71°F avg
Coldest
1978
47°F avg
About This Date
December 19th in El Monte, CA typically brings mild winter weather, with average highs around 69°F and lows near 45°F. Over 55 years of records, the warmest December 19th was in 2004 (71°F average), while the coldest was 1978 (47°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 19th dates historically, with the wettest December 19th recording 4.17" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for December 19th in El Monte, CA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 53° | 65° | — | — |
| 2024 | 81° | 57° | 69° | — | — |
| 2023 | 70° | 55° | 62° | — | — |
| 2022 | 66° | 48° | 57° | — | — |
| 2021 | 66° | 50° | 58° | — | — |
| 2020 | 73° | 55° | 64° | — | — |
| 2019 | 66° | 48° | 57° | — | — |
| 2018 | 76° | 54° | 65° | — | — |
| 2017 | 69° | 53° | 61° | — | — |
| 2016 | 63° | 39° | 51° | — | — |
| 2015 | 64° | 47° | 55° | — | — |
| 2014 | 66° | 47° | 56° | — | — |
| 2013 | 57° | 47° | 52° | — | — |
| 2012 | 62° | 39° | 51° | — | — |
| 2011 | 58° | 48° | 53° | — | — |
| 2010 | 58° | 53° | 55° | — | — |
| 2009 | 80° | 49° | 64° | — | — |
| 2008 | 59° | 36° | 47° | 0.03" | — |
| 2007 | 64° | 53° | 59° | 1.32" | — |
| 2006 | 61° | 34° | 47° | — | — |
| 2005 | 75° | 45° | 60° | — | — |
| 2004warmest | 81° | 62° | 71° | — | — |
| 2003 | 79° | 53° | 66° | — | — |
| 2002 | 62° | 35° | 49° | — | — |
| 2001 | 75° | 41° | 58° | — | — |
| 2000 | 82° | 45° | 63° | — | — |
| 1999 | 83° | 42° | 62° | — | — |
| 1998 | 60° | 52° | 56° | — | — |
| 1997 | 73° | 40° | 56° | 1.14" | — |
| 1996 | 75° | 37° | 56° | — | — |
| 1995 | 68° | 44° | 56° | — | — |
| 1994 | 77° | 39° | 58° | — | — |
| 1993 | 67° | 48° | 57° | 0.3" | — |
| 1992 | 62° | 32° | 47° | — | — |
| 1991 | 65° | 50° | 57° | — | — |
| 1990 | 63° | 45° | 54° | — | — |
| 1989 | 69° | 45° | 57° | — | — |
| 1988 | 61° | 38° | 49° | 0.08" | — |
| 1987 | 65° | 43° | 54° | — | — |
| 1986 | 66° | 44° | 55° | — | — |
| 1985 | 85° | 45° | 65° | — | — |
| 1984 | 57° | 48° | 53° | 4.17" | — |
| 1983 | 67° | 43° | 55° | — | — |
| 1982 | 79° | 40° | 59° | — | — |
| 1981 | 79° | 45° | 62° | — | — |
| 1980 | 68° | 49° | 58° | — | — |
| 1979 | 72° | 42° | 57° | — | — |
| 1978coldest | 57° | 37° | 47° | 0.91" | — |
| 1977 | 67° | 37° | 52° | — | — |
| 1976 | 72° | 41° | 56° | — | — |
| 1975 | 69° | 35° | 52° | — | — |
| 1974 | 72° | 40° | 56° | — | — |
| 1973 | 76° | 39° | 57° | — | — |
| 1972 | 74° | 44° | 59° | — | — |
| 1971 | 63° | 40° | 51° | — | — |
55 years of data from SAN GABRIEL FIRE DEPT