Weather on August 21
League City, TX
55 Years of Data
Avg High
92°F
Avg Low
74°F
Warmest
2014
88°F avg
Coldest
1992
76°F avg
About This Date
August 21st in League City, TX typically brings hot summer weather, with average highs around 92°F and lows near 74°F. Over 55 years of records, the warmest August 21st was in 2014 (88°F average), while the coldest was 1992 (76°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 21st dates historically, with the wettest August 21st recording 9.12" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in League City, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 75° | 84° | — | — |
| 2024 | 96° | 80° | 88° | — | — |
| 2023 | 97° | 79° | 88° | — | — |
| 2022 | 91° | 77° | 84° | 0.08" | — |
| 2021 | 93° | 78° | 86° | — | — |
| 2020 | 91° | 76° | 83° | — | — |
| 2019 | 92° | 78° | 85° | 0.05" | — |
| 2018 | 98° | 79° | 88° | — | — |
| 2017 | 93° | 77° | 85° | — | — |
| 2016 | 85° | 75° | 80° | 4.11" | — |
| 2015 | 86° | 73° | 80° | 1.55" | — |
| 2014warmest | 95° | 80° | 88° | — | — |
| 2013 | 92° | 74° | 83° | — | — |
| 2012 | 91° | 75° | 83° | — | — |
| 2011 | 98° | 74° | 86° | — | — |
| 2010 | 96° | 78° | 87° | — | — |
| 2009 | 94° | 78° | 86° | 0.28" | — |
| 2008 | 86° | 73° | 80° | 3.71" | — |
| 2007 | 90° | 76° | 83° | — | — |
| 2006 | 91° | 76° | 83° | — | — |
| 2005 | 95° | 73° | 84° | — | — |
| 2004 | 88° | 73° | 80° | 0.05" | — |
| 2003 | 91° | 72° | 81° | 0.76" | — |
| 2002 | 89° | 75° | 82° | — | — |
| 2001 | 91° | 73° | 82° | — | — |
| 2000 | 95° | 72° | 83° | — | — |
| 1999 | 93° | 76° | 84° | — | — |
| 1998 | 83° | 74° | 78° | 5.13" | — |
| 1997 | 99° | 75° | 87° | — | — |
| 1996 | 84° | 72° | 78° | 9.12" | — |
| 1995 | 95° | 77° | 86° | 0.05" | — |
| 1994 | 90° | 73° | 81° | — | — |
| 1993 | 94° | 74° | 84° | — | — |
| 1992coldest | 85° | 67° | 76° | — | — |
| 1991 | 92° | 71° | 81° | — | — |
| 1990 | 95° | 73° | 84° | — | — |
| 1989 | 89° | — | — | — | — |
| 1988 | 93° | 74° | 83° | — | — |
| 1987 | 95° | 73° | 84° | — | — |
| 1986 | 94° | 73° | 83° | — | — |
| 1985 | 94° | 75° | 84° | 2.77" | — |
| 1984 | 91° | 73° | 82° | — | — |
| 1983 | 90° | 73° | 81° | — | — |
| 1982 | 91° | 73° | 82° | — | — |
| 1981 | 88° | 68° | 78° | — | — |
| 1980 | 94° | 68° | 81° | — | — |
| 1979 | 91° | 70° | 80° | 3.05" | — |
| 1978 | 95° | 73° | 84° | — | — |
| 1977 | 90° | 76° | 83° | 5.05" | — |
| 1976 | 93° | 70° | 81° | — | — |
| 1975 | 93° | 74° | 83° | — | — |
| 1974 | 90° | — | — | — | — |
| 1973 | 93° | 71° | 82° | — | — |
| 1972 | 94° | 72° | 83° | — | — |
| 1971 | 92° | 72° | 82° | — | — |
55 years of data from HOUSTON NWSO