Weather on December 15
Lancaster, CA
55 Years of Data
Avg High
57°F
Avg Low
28°F
Warmest
2016
59°F avg
Coldest
1987
28°F avg
About This Date
December 15th in Lancaster, CA typically brings cool winter weather, with average highs around 57°F and lows near 28°F — a 29°F daily swing. Over 55 years of records, the warmest December 15th was in 2016 (59°F average), while the coldest was 1987 (28°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 7% of December 15th dates historically, with the wettest December 15th recording 1.3" 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 15th in Lancaster, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 30° | 48° | — | — |
| 2024 | 60° | 29° | 45° | — | — |
| 2023 | 65° | 24° | 45° | — | — |
| 2022 | 53° | 27° | 40° | — | — |
| 2021 | 48° | 30° | 39° | — | — |
| 2020 | 56° | 19° | 38° | — | — |
| 2019 | 51° | 34° | 42° | — | — |
| 2018 | 56° | 27° | 42° | — | — |
| 2017 | 68° | 21° | 45° | — | — |
| 2016warmest | 69° | 49° | 59° | — | — |
| 2015 | 48° | 24° | 36° | — | — |
| 2014 | 52° | 31° | 42° | 0.03" | — |
| 2013 | 62° | 23° | 43° | — | — |
| 2012 | 51° | 34° | 42° | — | — |
| 2011 | 52° | 26° | 39° | — | — |
| 2010 | 55° | 47° | 51° | — | — |
| 2009 | 55° | 30° | 43° | — | — |
| 2008 | 49° | 38° | 43° | 1.3" | — |
| 2007 | 54° | 23° | 38° | — | — |
| 2006 | 69° | 30° | 50° | — | — |
| 2005 | 53° | 25° | 39° | — | — |
| 2004 | 67° | 26° | 46° | — | — |
| 2003 | 54° | 25° | 39° | — | — |
| 2002 | 57° | 47° | 52° | — | — |
| 2001 | 50° | 25° | 37° | — | — |
| 2000 | 58° | 34° | 46° | — | — |
| 1999 | 58° | 22° | 40° | — | — |
| 1998 | 72° | 33° | 52° | — | — |
| 1997 | 57° | 33° | 45° | — | — |
| 1996 | 60° | 36° | 48° | — | — |
| 1995 | 66° | 33° | 50° | — | — |
| 1994 | 53° | 26° | 40° | — | — |
| 1993 | 48° | 37° | 43° | — | — |
| 1992 | 54° | 30° | 42° | — | — |
| 1991 | 56° | 26° | 41° | — | — |
| 1990 | 53° | 18° | 35° | — | — |
| 1989 | 60° | 25° | 42° | — | — |
| 1988 | 46° | 35° | 41° | 0.1" | — |
| 1987coldest | 38° | 19° | 28° | — | — |
| 1986 | 51° | 28° | 40° | — | — |
| 1985 | 57° | 24° | 41° | — | — |
| 1984 | 49° | 21° | 35° | 0.71" | — |
| 1983 | 69° | 34° | 51° | — | — |
| 1982 | 59° | 26° | 43° | — | — |
| 1981 | 72° | 43° | 57° | — | — |
| 1980 | 70° | 21° | 45° | — | — |
| 1979 | 64° | 18° | 41° | — | — |
| 1978 | 55° | 22° | 38° | — | — |
| 1977 | 65° | 45° | 55° | — | — |
| 1976 | 62° | 21° | 42° | — | — |
| 1975 | 50° | 18° | 34° | — | — |
| 1974 | 61° | 29° | 45° | — | — |
| 1973 | 61° | 26° | 43° | — | — |
| 1972 | 43° | 16° | 29° | — | — |
| 1971 | 47° | 23° | 35° | — | — |
55 years of data from LANCASTER