Weather on December 17
Tracy, CA
55 Years of Data
Avg High
55°F
Avg Low
35°F
Warmest
1977
54°F avg
Coldest
1985
36°F avg
About This Date
December 17th in Tracy, CA typically brings cool winter weather, with average highs around 55°F and lows near 35°F. Over 55 years of records, the warmest December 17th was in 1977 (54°F average), while the coldest was 1985 (36°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 38% of December 17th dates historically, with the wettest December 17th recording 2.49" 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 17th in Tracy, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 48° | 36° | 42° | — | — |
| 2024 | 49° | 39° | 44° | 0.13" | — |
| 2023 | 63° | 42° | 52° | 0.23" | — |
| 2022 | 53° | 41° | 47° | — | — |
| 2021 | 55° | 34° | 44° | 0.08" | — |
| 2020 | 58° | 33° | 45° | 0.48" | — |
| 2019 | 60° | 31° | 45° | — | — |
| 2018 | 60° | 33° | 47° | 2.49" | — |
| 2017 | 60° | 42° | 51° | — | — |
| 2016 | 52° | 37° | 44° | — | — |
| 2015 | 55° | 30° | 43° | — | — |
| 2014 | 60° | 45° | 52° | 0.69" | — |
| 2013 | 61° | 29° | 45° | — | — |
| 2012 | 53° | 41° | 47° | 0.64" | — |
| 2011 | 59° | 35° | 47° | — | — |
| 2010 | 48° | 33° | 41° | 0.69" | — |
| 2009 | 59° | 46° | 53° | 0.18" | — |
| 2008 | 45° | 31° | 38° | 0.3" | — |
| 2007 | 56° | 29° | 42° | — | — |
| 2006 | 50° | 35° | 43° | — | — |
| 2005 | 46° | 35° | 41° | 0.25" | — |
| 2004 | 52° | 41° | 46° | — | — |
| 2003 | 52° | 31° | 41° | — | — |
| 2002 | 60° | 38° | 49° | 0.51" | — |
| 2001 | 55° | 32° | 44° | — | — |
| 2000 | 60° | 39° | 50° | — | — |
| 1999 | 59° | 30° | 45° | — | — |
| 1998 | 65° | 34° | 49° | — | — |
| 1997 | 55° | 28° | 42° | — | — |
| 1996 | 56° | 42° | 49° | — | — |
| 1995 | 61° | 39° | 50° | 0.23" | — |
| 1994 | 44° | 38° | 41° | — | — |
| 1993 | — | 39° | — | — | — |
| 1992 | 53° | 44° | 49° | 0.79" | — |
| 1991 | 40° | 32° | 36° | — | — |
| 1990 | 54° | 34° | 44° | 0.51" | — |
| 1989 | 60° | 29° | 44° | — | — |
| 1988 | 63° | 38° | 50° | — | — |
| 1987 | 58° | 37° | 47° | 0.15" | — |
| 1986 | 62° | 33° | 48° | — | — |
| 1985coldest | 45° | 28° | 36° | — | — |
| 1984 | 50° | 25° | 37° | — | — |
| 1983 | 60° | 49° | 54° | 0.18" | — |
| 1982 | 60° | 27° | 43° | — | — |
| 1981 | 57° | 39° | 48° | — | — |
| 1980 | 60° | 29° | 44° | — | — |
| 1979 | 58° | 24° | 41° | — | — |
| 1978 | 51° | 30° | 41° | 0.1" | — |
| 1977warmest | 64° | 45° | 54° | 1.12" | — |
| 1976 | 56° | 32° | 44° | — | — |
| 1975 | 59° | 27° | 43° | — | — |
| 1974 | 52° | 42° | 47° | — | — |
| 1973 | 48° | 43° | 45° | 0.05" | — |
| 1972 | 42° | 33° | 38° | 1.55" | — |
| 1971 | 51° | 24° | 38° | — | — |
55 years of data from TRACY CARBONA