Weather on May 20
Houston, TX
55 Years of Data
Avg High
86°F
Avg Low
70°F
Warmest
2025
86°F avg
Coldest
1981
67°F avg
About This Date
May 20th in Houston, TX typically brings warm spring weather, with average highs around 86°F and lows near 70°F. Over 55 years of records, the warmest May 20th was in 2025 (86°F average), while the coldest was 1981 (67°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 15% of May 20th dates historically, with the wettest May 20th recording 5.54" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for May 20th in Houston, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 93° | 79° | 86° | — | — |
| 2024 | 90° | 72° | 81° | — | — |
| 2023 | 92° | 74° | 83° | 0.08" | — |
| 2022 | 93° | 77° | 85° | — | — |
| 2021 | 83° | 66° | 74° | — | — |
| 2020 | 94° | 77° | 85° | — | — |
| 2019 | 89° | 78° | 84° | — | — |
| 2018 | 90° | 70° | 80° | — | — |
| 2017 | 89° | 76° | 82° | — | — |
| 2016 | 86° | 67° | 76° | — | — |
| 2015 | 87° | 76° | 81° | 0.3" | — |
| 2014 | 85° | 70° | 77° | — | — |
| 2013 | 91° | 73° | 82° | — | — |
| 2012 | 90° | 67° | 78° | — | — |
| 2011 | 85° | 74° | 79° | — | — |
| 2010 | 90° | 74° | 82° | — | — |
| 2009 | 82° | 58° | 70° | — | — |
| 2008 | 97° | 70° | 83° | — | — |
| 2007 | 82° | 62° | 72° | — | — |
| 2006 | 95° | 66° | 81° | — | — |
| 2005 | 91° | 71° | 81° | — | — |
| 2004 | 87° | 75° | 81° | — | — |
| 2003 | 93° | 71° | 82° | — | — |
| 2002 | 79° | 57° | 68° | — | — |
| 2001 | 89° | 73° | 81° | — | — |
| 2000 | 84° | 69° | 77° | — | — |
| 1999 | 85° | 73° | 79° | — | — |
| 1998 | 90° | 70° | 80° | — | — |
| 1997 | 84° | 71° | 78° | — | — |
| 1996 | 90° | 70° | 80° | — | — |
| 1995 | 82° | 63° | 72° | — | — |
| 1994 | 84° | 63° | 73° | — | — |
| 1993 | 85° | 63° | 74° | — | — |
| 1992 | 85° | 72° | 78° | — | — |
| 1991 | 85° | 71° | 78° | 0.43" | — |
| 1990 | 87° | 76° | 81° | — | — |
| 1989 | 86° | 74° | 80° | — | — |
| 1988 | 82° | 70° | 76° | — | — |
| 1987 | 82° | 66° | 74° | 0.05" | — |
| 1986 | 82° | 59° | 71° | — | — |
| 1985 | 88° | 69° | 78° | — | — |
| 1984 | 85° | 68° | 76° | 0.23" | — |
| 1983 | 76° | 62° | 69° | 5.54" | — |
| 1982 | 83° | 72° | 77° | — | — |
| 1981coldest | 78° | 56° | 67° | — | — |
| 1980 | 89° | 70° | 79° | — | — |
| 1979 | 82° | 73° | 78° | — | — |
| 1978 | 86° | 75° | 81° | 0.08" | — |
| 1977 | 82° | 74° | 78° | — | — |
| 1976 | 81° | 67° | 74° | — | — |
| 1975 | 84° | 76° | 80° | — | — |
| 1974 | 78° | 70° | 74° | 0.84" | — |
| 1973 | 88° | 72° | 80° | — | — |
| 1972 | 89° | 68° | 79° | — | — |
| 1971 | 80° | 70° | 75° | — | — |
55 years of data from HOUSTON WB CITY