Weather on December 15
Tracy, CA
55 Years of Data
Avg High
56°F
Avg Low
36°F
Warmest
1995
58°F avg
Coldest
1972
30°F avg
About This Date
December 15th in Tracy, CA typically brings cool winter weather, with average highs around 56°F and lows near 36°F. Over 55 years of records, the warmest December 15th was in 1995 (58°F average), while the coldest was 1972 (30°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 15th dates historically, with the wettest December 15th recording 1.52" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for December 15th in Tracy, CA? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 43° | 31° | 37° | — | — |
| 2024 | 53° | 40° | 46° | 0.03" | — |
| 2023 | 57° | 31° | 44° | — | — |
| 2022 | 55° | 29° | 42° | — | — |
| 2021 | 52° | 36° | 44° | 0.13" | — |
| 2020 | 52° | 30° | 41° | 0.84" | — |
| 2019 | 58° | 45° | 51° | — | — |
| 2018 | 60° | 40° | 50° | — | — |
| 2017 | 64° | 26° | 45° | — | — |
| 2016 | 63° | 43° | 53° | — | — |
| 2015 | 54° | 31° | 42° | — | — |
| 2014 | 55° | 40° | 47° | 1.52" | — |
| 2013 | 59° | 31° | 45° | — | — |
| 2012 | 53° | 35° | 44° | — | — |
| 2011 | 52° | 30° | 41° | 0.23" | — |
| 2010 | 52° | 47° | 49° | 0.94" | — |
| 2009 | 55° | 43° | 49° | — | — |
| 2008 | 55° | 42° | 49° | — | — |
| 2007 | 55° | 38° | 46° | — | — |
| 2006 | 64° | 38° | 51° | — | — |
| 2005 | 53° | 41° | 47° | — | — |
| 2004 | 58° | 41° | 49° | — | — |
| 2003 | 59° | 34° | 46° | — | — |
| 2002 | 57° | 47° | 52° | 0.23" | — |
| 2001 | 54° | 40° | 47° | — | — |
| 2000 | 56° | 47° | 51° | 0.1" | — |
| 1999 | 58° | 29° | 43° | — | — |
| 1998 | 66° | 32° | 49° | — | — |
| 1997 | 54° | 34° | 44° | 1.07" | — |
| 1996 | 58° | 39° | 48° | — | — |
| 1995warmest | 60° | 56° | 58° | 0.25" | — |
| 1994 | 49° | 36° | 42° | 0.51" | — |
| 1993 | 57° | 35° | 46° | 1.42" | — |
| 1992 | 55° | 32° | 44° | — | — |
| 1991 | 41° | 38° | 39° | — | — |
| 1990 | — | 30° | — | 0.38" | — |
| 1989 | 60° | 27° | 43° | — | — |
| 1988 | 64° | 34° | 49° | — | — |
| 1987 | 55° | 29° | 42° | — | — |
| 1986 | 53° | 34° | 43° | — | — |
| 1985 | 48° | 27° | 37° | — | — |
| 1984 | 50° | 35° | 43° | 0.58" | — |
| 1983 | 62° | 50° | 56° | — | — |
| 1982 | 50° | 40° | 45° | — | — |
| 1981 | 64° | 48° | 56° | — | — |
| 1980 | 54° | 26° | 40° | — | — |
| 1979 | 60° | 30° | 45° | — | — |
| 1978 | 61° | 33° | 47° | — | — |
| 1977 | 60° | 41° | 51° | 0.3" | — |
| 1976 | 65° | 30° | 47° | — | — |
| 1975 | 53° | 27° | 40° | — | — |
| 1974 | 54° | 46° | 50° | — | — |
| 1973 | 61° | 39° | 50° | 0.03" | — |
| 1972coldest | 33° | 27° | 30° | — | — |
| 1971 | 48° | 33° | 41° | — | — |
55 years of data from TRACY CARBONA