Weather on December 18
Waco, TX
55 Years of Data
Avg High
59°F
Avg Low
35°F
Warmest
2006
69°F avg
Coldest
1979
29°F avg
About This Date
December 18th in Waco, TX typically brings cool winter weather, with average highs around 59°F and lows near 35°F. Over 55 years of records, the warmest December 18th was in 2006 (69°F average), while the coldest was 1979 (29°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 18th dates historically, with the wettest December 18th recording 4.7" 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 18th in Waco, TX? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 38° | 56° | — | — |
| 2024 | 66° | 40° | 53° | 0.08" | — |
| 2023 | 69° | 32° | 51° | — | — |
| 2022 | 53° | 27° | 40° | — | — |
| 2021 | 70° | 42° | 56° | 0.05" | — |
| 2020 | 64° | 36° | 50° | — | — |
| 2019 | 50° | 12° | 31° | — | — |
| 2018 | 62° | 31° | 47° | — | — |
| 2017 | 52° | 45° | 48° | — | — |
| 2016 | 75° | 20° | 47° | — | — |
| 2015 | 64° | 32° | 48° | — | — |
| 2014 | 48° | 45° | 46° | 0.3" | — |
| 2013 | 72° | 35° | 53° | — | — |
| 2012 | 67° | 42° | 54° | — | — |
| 2011 | 57° | 46° | 52° | — | — |
| 2010 | 49° | 31° | 40° | — | — |
| 2009 | 56° | 33° | 44° | — | — |
| 2008 | 48° | 37° | 43° | 0.2" | — |
| 2007 | 52° | 27° | 39° | — | — |
| 2006warmest | 77° | 61° | 69° | — | — |
| 2005 | 57° | 35° | 46° | — | — |
| 2004 | 61° | 35° | 48° | — | — |
| 2003 | 70° | 31° | 50° | — | — |
| 2002 | 72° | 38° | 55° | — | — |
| 2001 | 60° | 44° | 52° | — | — |
| 2000 | 56° | 26° | 41° | — | — |
| 1999 | 65° | 34° | 49° | — | — |
| 1998 | 58° | 43° | 50° | 1.42" | — |
| 1997 | 64° | 37° | 51° | — | — |
| 1996 | 38° | 23° | 30° | — | — |
| 1995 | 59° | 52° | 55° | 2.39" | — |
| 1994 | 64° | 34° | 49° | — | — |
| 1993 | 53° | 36° | 44° | 0.43" | — |
| 1992 | 51° | 32° | 42° | — | — |
| 1991 | 66° | 41° | 54° | 0.69" | — |
| 1990 | 78° | 48° | 63° | 0.61" | — |
| 1989 | 35° | 27° | 31° | — | — |
| 1988 | 59° | 35° | 47° | — | — |
| 1987 | 46° | 34° | 40° | 0.23" | — |
| 1986 | 60° | 44° | 52° | 1.12" | — |
| 1985 | 59° | 29° | 44° | — | — |
| 1984 | 63° | 45° | 54° | 4.7" | — |
| 1983 | 44° | 32° | 38° | — | — |
| 1982 | 67° | 30° | 48° | — | — |
| 1981 | 42° | 20° | 31° | — | — |
| 1980 | 70° | 45° | 57° | — | — |
| 1979coldest | 39° | 19° | 29° | — | — |
| 1978 | 55° | 34° | 44° | — | — |
| 1977 | 67° | 44° | 55° | — | — |
| 1976 | 64° | 36° | 50° | — | — |
| 1975 | 50° | 19° | 35° | — | — |
| 1974 | 66° | 35° | 51° | — | — |
| 1973 | 63° | 33° | 48° | — | — |
| 1972 | 50° | 29° | 39° | — | — |
| 1971 | 55° | 32° | 44° | — | — |
55 years of data from WACO