Weather on May 18
League City, TX
55 Years of Data
Avg High
84°F
Avg Low
67°F
Warmest
1978
83°F avg
Coldest
2002
66°F avg
About This Date
May 18th in League City, TX typically brings warm spring weather, with average highs around 84°F and lows near 67°F. Over 55 years of records, the warmest May 18th was in 1978 (83°F average), while the coldest was 2002 (66°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 22% of May 18th dates historically, with the wettest May 18th recording 5.18" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in League City, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 78° | 82° | — | — |
| 2024 | 88° | 65° | 76° | — | — |
| 2023 | 89° | 66° | 78° | — | — |
| 2022 | 89° | 75° | 82° | — | — |
| 2021 | 81° | 65° | 73° | 5.18" | — |
| 2020 | 92° | 68° | 80° | — | — |
| 2019 | 85° | 78° | 81° | — | — |
| 2018 | 89° | 73° | 81° | — | — |
| 2017 | 86° | 77° | 82° | — | — |
| 2016 | 84° | 68° | 76° | 0.28" | — |
| 2015 | 86° | 77° | 82° | — | — |
| 2014 | 82° | 62° | 72° | — | — |
| 2013 | 86° | 74° | 80° | — | — |
| 2012 | 87° | 64° | 76° | — | — |
| 2011 | 82° | 64° | 73° | — | — |
| 2010 | 84° | 68° | 76° | 0.08" | — |
| 2009 | 78° | 59° | 69° | — | — |
| 2008 | 87° | 56° | 71° | — | — |
| 2007 | 79° | 61° | 70° | — | — |
| 2006 | 89° | 61° | 75° | — | — |
| 2005 | 83° | 68° | 75° | — | — |
| 2004 | 85° | 71° | 78° | — | — |
| 2003 | 91° | 64° | 78° | — | — |
| 2002coldest | 77° | 56° | 66° | — | — |
| 2001 | 85° | 70° | 77° | — | — |
| 2000 | 85° | 76° | 80° | — | — |
| 1999 | 85° | 65° | 75° | 0.05" | — |
| 1998 | 90° | 60° | 75° | — | — |
| 1997 | 83° | 66° | 74° | — | — |
| 1996 | 85° | 73° | 79° | — | — |
| 1995 | 84° | 68° | 76° | 0.08" | — |
| 1994 | 82° | 71° | 77° | 0.05" | — |
| 1993 | 82° | 65° | 73° | — | — |
| 1992 | 78° | 67° | 72° | 1.91" | — |
| 1991 | 83° | 68° | 75° | 2.84" | — |
| 1990 | 88° | 74° | 81° | — | — |
| 1989 | 82° | 77° | 80° | 0.48" | — |
| 1988 | 86° | 59° | 73° | — | — |
| 1987 | 85° | 69° | 77° | — | — |
| 1986 | 85° | 65° | 75° | 2.24" | — |
| 1985 | 74° | 63° | 68° | 3.48" | — |
| 1984 | 79° | 72° | 75° | — | — |
| 1983 | 77° | 67° | 72° | 0.1" | — |
| 1982 | 83° | 66° | 74° | — | — |
| 1981 | 85° | 74° | 79° | — | — |
| 1980 | 84° | 62° | 73° | — | — |
| 1979 | 84° | 62° | 73° | — | — |
| 1978warmest | 87° | 79° | 83° | — | — |
| 1977 | 84° | 67° | 75° | — | — |
| 1976 | 80° | 58° | 69° | — | — |
| 1975 | 86° | 63° | 74° | — | — |
| 1974 | 87° | — | — | — | — |
| 1973 | 76° | 61° | 68° | — | — |
| 1972 | 89° | 66° | 78° | — | — |
| 1971 | 81° | 67° | 74° | — | — |
55 years of data from HOUSTON NWSO