Weather on December 18
Houston, TX
55 Years of Data
Avg High
64°F
Avg Low
46°F
Warmest
2006
71°F avg
Coldest
1996
32°F avg
About This Date
December 18th in Houston, TX typically brings mild winter weather, with average highs around 64°F and lows near 46°F. Over 55 years of records, the warmest December 18th was in 2006 (71°F average), while the coldest was 1996 (32°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 18th dates historically, with the wettest December 18th recording 10.62" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Houston, TX? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 59° | 69° | — | — |
| 2024 | 80° | 56° | 68° | 0.25" | — |
| 2023 | 74° | 46° | 60° | — | — |
| 2022 | 55° | 39° | 47° | — | — |
| 2021 | 78° | 54° | 66° | 3.63" | — |
| 2020 | 65° | 40° | 52° | — | — |
| 2019 | 59° | 35° | 47° | — | — |
| 2018 | 63° | 46° | 54° | — | — |
| 2017 | 68° | 58° | 63° | 0.3" | — |
| 2016 | 49° | 35° | 42° | — | — |
| 2015 | 62° | 43° | 52° | — | — |
| 2014 | 71° | 60° | 66° | 0.69" | — |
| 2013 | 69° | 41° | 55° | — | — |
| 2012 | 70° | 51° | 60° | — | — |
| 2011 | 63° | 46° | 54° | — | — |
| 2010 | 73° | 45° | 59° | — | — |
| 2009 | 67° | 42° | 54° | — | — |
| 2008 | 63° | 45° | 54° | — | — |
| 2007 | 61° | 35° | 48° | — | — |
| 2006warmest | 79° | 63° | 71° | — | — |
| 2005 | 46° | 39° | 43° | 1.09" | — |
| 2004 | 68° | 46° | 57° | — | — |
| 2003 | 63° | 38° | 50° | — | — |
| 2002 | 79° | 60° | 69° | 0.64" | — |
| 2001 | 68° | 44° | 56° | — | — |
| 2000 | 68° | 33° | 51° | — | — |
| 1999 | 60° | 42° | 51° | 0.36" | — |
| 1998 | 68° | 55° | 62° | — | — |
| 1997 | 71° | 43° | 57° | — | — |
| 1996coldest | 40° | 25° | 32° | — | — |
| 1995 | 72° | 42° | 57° | 10.62" | — |
| 1994 | 71° | 47° | 59° | — | — |
| 1993 | 55° | 50° | 53° | 0.51" | — |
| 1992 | 63° | 44° | 53° | — | — |
| 1991 | 62° | 54° | 58° | 2.72" | — |
| 1990 | 74° | 50° | 62° | 0.51" | — |
| 1989 | 38° | 32° | 35° | 0.1" | — |
| 1988 | 62° | 40° | 51° | — | — |
| 1987 | 61° | 46° | 53° | 0.03" | — |
| 1986 | 56° | 46° | 51° | 2.21" | — |
| 1985 | 59° | 44° | 52° | — | — |
| 1984 | 69° | 62° | 66° | — | — |
| 1983 | 51° | 34° | 42° | — | — |
| 1982 | 74° | 58° | 66° | — | — |
| 1981 | 50° | 32° | 41° | — | — |
| 1980 | 77° | 55° | 66° | — | — |
| 1979 | 57° | 34° | 45° | — | — |
| 1978 | 72° | 50° | 61° | — | — |
| 1977 | 75° | 57° | 66° | — | — |
| 1976 | 62° | 52° | 57° | — | — |
| 1975 | 43° | 33° | 38° | — | — |
| 1974 | 72° | 50° | 61° | 0.3" | — |
| 1973 | 70° | 54° | 62° | — | — |
| 1972 | 61° | 38° | 49° | — | — |
| 1971 | 58° | 49° | 53° | — | — |
55 years of data from HOUSTON WB CITY