Weather on May 18
Houston, TX
55 Years of Data
Avg High
85°F
Avg Low
69°F
Warmest
1981
84°F avg
Coldest
1986
65°F avg
About This Date
May 18th in Houston, TX typically brings warm spring weather, with average highs around 85°F and lows near 69°F. Over 55 years of records, the warmest May 18th was in 1981 (84°F average), while the coldest was 1986 (65°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 24% of May 18th dates historically, with the wettest May 18th recording 5.94" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Houston, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 79° | 84° | — | — |
| 2024 | 90° | 67° | 78° | — | — |
| 2023 | 91° | 71° | 81° | — | — |
| 2022 | 94° | 73° | 83° | — | — |
| 2021 | 84° | 66° | 75° | 3.51" | — |
| 2020 | 92° | 66° | 79° | — | — |
| 2019 | 86° | 77° | 82° | 0.08" | — |
| 2018 | 91° | 71° | 81° | — | — |
| 2017 | 88° | 77° | 82° | — | — |
| 2016 | 86° | 71° | 79° | 0.08" | — |
| 2015 | 88° | 77° | 82° | 0.03" | — |
| 2014 | 83° | 64° | 73° | — | — |
| 2013 | 89° | 74° | 81° | — | — |
| 2012 | 90° | 67° | 78° | — | — |
| 2011 | 81° | 62° | 71° | — | — |
| 2010 | 93° | 69° | 81° | 5.08" | — |
| 2009 | 75° | 57° | 66° | — | — |
| 2008 | 90° | 59° | 74° | — | — |
| 2007 | 82° | 62° | 72° | — | — |
| 2006 | 88° | 65° | 76° | — | — |
| 2005 | 85° | 67° | 76° | — | — |
| 2004 | 85° | 74° | 79° | 0.18" | — |
| 2003 | 93° | 70° | 81° | — | — |
| 2002 | 75° | 55° | 65° | — | — |
| 2001 | 87° | 73° | 80° | — | — |
| 2000 | 87° | 76° | 81° | — | — |
| 1999 | 87° | 67° | 77° | 0.03" | — |
| 1998 | 93° | 69° | 81° | — | — |
| 1997 | 82° | 72° | 77° | — | — |
| 1996 | 86° | 73° | 80° | — | — |
| 1995 | 88° | 60° | 74° | — | — |
| 1994 | 90° | 65° | 77° | 0.03" | — |
| 1993 | 86° | 67° | 76° | — | — |
| 1992 | 81° | 69° | 75° | 1.32" | — |
| 1991 | 82° | 70° | 76° | 0.64" | — |
| 1990 | 81° | 74° | 77° | — | — |
| 1989 | 74° | 62° | 68° | 5.94" | — |
| 1988 | 88° | 66° | 77° | — | — |
| 1987 | 85° | 69° | 77° | — | — |
| 1986coldest | 72° | 59° | 65° | — | — |
| 1985 | 82° | 64° | 73° | — | — |
| 1984 | 79° | 68° | 73° | 1.12" | — |
| 1983 | 82° | 72° | 77° | — | — |
| 1982 | 83° | 66° | 74° | — | — |
| 1981warmest | 90° | 78° | 84° | — | — |
| 1980 | 84° | 72° | 78° | 0.33" | — |
| 1979 | 84° | 72° | 78° | — | — |
| 1978 | 86° | 76° | 81° | — | — |
| 1977 | 84° | 72° | 78° | — | — |
| 1976 | 81° | 62° | 71° | — | — |
| 1975 | 83° | 68° | 75° | — | — |
| 1974 | 86° | 73° | 80° | — | — |
| 1973 | 88° | 68° | 78° | — | — |
| 1972 | 88° | 68° | 78° | — | — |
| 1971 | 82° | 69° | 76° | — | — |
55 years of data from HOUSTON WB CITY