Weather on December 20
Waco, TX
55 Years of Data
Avg High
60°F
Avg Low
38°F
Warmest
2025
66°F avg
Coldest
1983
21°F avg
About This Date
December 20th in Waco, TX typically brings mild winter weather, with average highs around 60°F and lows near 38°F. Over 55 years of records, the warmest December 20th was in 2025 (66°F average), while the coldest was 1983 (21°F) — a 45°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 20th dates historically, with the wettest December 20th recording 1.65" 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 20th in Waco, TX? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 82° | 50° | 66° | — | — |
| 2024 | 65° | 33° | 49° | — | — |
| 2023 | 69° | 32° | 51° | — | — |
| 2022 | 56° | 28° | 42° | 0.15" | — |
| 2021 | 57° | 38° | 47° | 0.03" | — |
| 2020 | 60° | 33° | 47° | — | — |
| 2019 | 52° | 27° | 39° | — | — |
| 2018 | 62° | 46° | 54° | — | — |
| 2017 | 62° | 46° | 54° | 0.86" | — |
| 2016 | 41° | 20° | 30° | — | — |
| 2015 | 63° | 49° | 56° | — | — |
| 2014 | 68° | 47° | 57° | — | — |
| 2013 | 71° | 54° | 62° | — | — |
| 2012 | 77° | 39° | 58° | — | — |
| 2011 | 66° | 43° | 54° | 1.4" | — |
| 2010 | 64° | 41° | 53° | — | — |
| 2009 | 58° | 30° | 44° | — | — |
| 2008 | 73° | 55° | 64° | 0.03" | — |
| 2007 | 65° | 40° | 52° | — | — |
| 2006 | 64° | 50° | 57° | 0.51" | — |
| 2005 | 48° | 43° | 45° | — | — |
| 2004 | 61° | 35° | 48° | — | — |
| 2003 | 64° | 36° | 50° | — | — |
| 2002 | 62° | 43° | 52° | — | — |
| 2001 | 55° | 31° | 43° | — | — |
| 2000 | 65° | 31° | 48° | — | — |
| 1999 | 63° | 33° | 48° | — | — |
| 1998 | 62° | 45° | 53° | — | — |
| 1997 | 69° | 52° | 60° | 1.57" | — |
| 1996 | 37° | 22° | 29° | — | — |
| 1995 | 46° | 35° | 41° | — | — |
| 1994 | 64° | 43° | 53° | — | — |
| 1993 | 55° | 45° | 50° | — | — |
| 1992 | 62° | 40° | 51° | 0.05" | — |
| 1991 | 62° | 45° | 53° | 1.22" | — |
| 1990 | 68° | 40° | 54° | — | — |
| 1989 | 38° | 17° | 27° | — | — |
| 1988 | 68° | 45° | 56° | — | — |
| 1987 | 69° | 40° | 54° | 1.65" | — |
| 1986 | 54° | 34° | 44° | — | — |
| 1985 | 65° | 34° | 49° | — | — |
| 1984 | 65° | 50° | 57° | — | — |
| 1983coldest | 25° | 17° | 21° | — | — |
| 1982 | 64° | 34° | 49° | — | — |
| 1981 | 48° | 31° | 39° | — | — |
| 1980 | 44° | 30° | 37° | — | — |
| 1979 | 60° | 39° | 50° | — | — |
| 1978 | 74° | 55° | 64° | — | — |
| 1977 | 77° | 35° | 56° | — | — |
| 1976 | 65° | 34° | 49° | — | — |
| 1975 | 51° | 27° | 39° | — | — |
| 1974 | 60° | 34° | 47° | — | — |
| 1973 | 44° | 23° | 34° | — | — |
| 1972 | 66° | 49° | 57° | — | — |
| 1971 | 69° | 48° | 59° | — | — |
55 years of data from WACO