Weather on December 21
League City, TX
55 Years of Data
Avg High
65°F
Avg Low
46°F
Warmest
2025
75°F avg
Coldest
1973
33°F avg
About This Date
December 21st in League City, TX typically brings mild winter weather, with average highs around 65°F and lows near 46°F. Over 55 years of records, the warmest December 21st was in 2025 (75°F average), while the coldest was 1973 (33°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 24% of December 21st dates historically, with the wettest December 21st recording 2.49" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in League City, TX? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 81° | 69° | 75° | — | — |
| 2024 | 56° | 43° | 49° | — | — |
| 2023 | 65° | 59° | 62° | — | — |
| 2022 | 54° | 40° | 47° | — | — |
| 2021 | 63° | 41° | 52° | — | — |
| 2020 | 70° | 44° | 57° | — | — |
| 2019 | 56° | 46° | 51° | — | — |
| 2018 | 64° | 43° | 53° | — | — |
| 2017 | 79° | 53° | 66° | 0.03" | — |
| 2016 | 73° | 43° | 58° | — | — |
| 2015 | 76° | 65° | 70° | — | — |
| 2014 | 57° | 48° | 53° | — | — |
| 2013 | 75° | 53° | 64° | 1.63" | — |
| 2012 | 61° | 31° | 46° | — | — |
| 2011 | 58° | 42° | 50° | 0.13" | — |
| 2010 | 80° | 64° | 72° | — | — |
| 2009 | 66° | 35° | 51° | — | — |
| 2008 | 68° | 43° | 55° | — | — |
| 2007 | 78° | 43° | 60° | — | — |
| 2006 | 66° | 50° | 58° | 0.43" | — |
| 2005 | 56° | 37° | 46° | — | — |
| 2004 | 71° | 58° | 64° | 0.89" | — |
| 2003 | 70° | 42° | 56° | — | — |
| 2002 | 71° | 46° | 59° | — | — |
| 2001 | 66° | 38° | 52° | — | — |
| 2000 | 58° | 42° | 50° | — | — |
| 1999 | 58° | 39° | 48° | — | — |
| 1998 | 78° | 47° | 62° | — | — |
| 1997 | 68° | 45° | 56° | 0.3" | — |
| 1996 | 71° | 46° | 59° | — | — |
| 1995 | 44° | 42° | 43° | 1.17" | — |
| 1994 | 63° | 44° | 53° | — | — |
| 1993 | 61° | 32° | 46° | — | — |
| 1992 | 74° | 52° | 63° | 0.66" | — |
| 1991 | 76° | 65° | 70° | — | — |
| 1990 | 77° | 64° | 71° | — | — |
| 1989 | 42° | 29° | 35° | — | — |
| 1988 | 76° | 64° | 70° | 0.33" | — |
| 1987 | 59° | 54° | 56° | 2.06" | — |
| 1986 | 53° | 47° | 50° | — | — |
| 1985 | 57° | 35° | 46° | — | — |
| 1984 | 77° | 63° | 70° | — | — |
| 1983 | 54° | 35° | 44° | 2.49" | — |
| 1982 | 72° | 37° | 54° | — | — |
| 1981 | 67° | 49° | 58° | 2.46" | — |
| 1980 | 45° | 35° | 40° | — | — |
| 1979 | 70° | 55° | 62° | — | — |
| 1978 | 80° | 48° | 64° | — | — |
| 1977 | 56° | 35° | 45° | — | — |
| 1976 | 55° | 29° | 42° | — | — |
| 1975 | 63° | 31° | 47° | — | — |
| 1974 | 72° | — | — | — | — |
| 1973coldest | 45° | 22° | 33° | — | — |
| 1972 | — | 49° | — | 0.51" | — |
| 1971 | 80° | 52° | 66° | — | — |
55 years of data from HOUSTON NWSO