Weather on May 21
Austin, TX
55 Years of Data
Avg High
87°F
Avg Low
66°F
Warmest
2024
86°F avg
Coldest
1981
69°F avg
About This Date
May 21st in Austin, TX typically brings warm spring weather, with average highs around 87°F and lows near 66°F. Over 55 years of records, the warmest May 21st was in 2024 (86°F average), while the coldest was 1981 (69°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 21st dates historically, with the wettest May 21st recording 14.1" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 21st in Austin, TX? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 70° | 82° | — | — |
| 2024warmest | 95° | 77° | 86° | — | — |
| 2023 | 74° | 65° | 69° | 0.08" | — |
| 2022 | 100° | 69° | 85° | 0.81" | — |
| 2021 | 87° | 69° | 78° | — | — |
| 2020 | 93° | 71° | 82° | 0.1" | — |
| 2019 | 88° | 64° | 76° | 0.41" | — |
| 2018 | 84° | 62° | 73° | 2.03" | — |
| 2017 | 79° | 60° | 69° | 1.35" | — |
| 2016 | 81° | 57° | 69° | — | — |
| 2015 | 76° | 62° | 69° | 0.05" | — |
| 2014 | 88° | 67° | 77° | — | — |
| 2013 | 92° | 71° | 81° | — | — |
| 2012 | 87° | 62° | 75° | — | — |
| 2011 | 91° | 64° | 78° | 0.2" | — |
| 2010 | 89° | 72° | 80° | — | — |
| 2009 | 86° | 51° | 69° | — | — |
| 2008 | 100° | 67° | 83° | — | — |
| 2007 | 82° | 63° | 72° | — | — |
| 2006 | 94° | 60° | 77° | — | — |
| 2005 | 90° | 67° | 78° | — | — |
| 2004 | 90° | 70° | 80° | — | — |
| 2003 | 79° | 63° | 71° | 0.05" | — |
| 2002 | 85° | 57° | 71° | — | — |
| 2001 | 85° | 63° | 74° | — | — |
| 2000 | 91° | 65° | 78° | — | — |
| 1999 | 87° | 69° | 78° | 0.03" | — |
| 1998 | 93° | 72° | 82° | — | — |
| 1997 | 75° | 63° | 69° | — | — |
| 1996 | 96° | 72° | 84° | — | — |
| 1995 | 85° | 61° | 73° | — | — |
| 1994 | 83° | 59° | 71° | — | — |
| 1993 | 85° | 64° | 74° | — | — |
| 1992 | 82° | 63° | 72° | 2.87" | — |
| 1991 | 86° | 69° | 78° | — | — |
| 1990 | 93° | 75° | 84° | 0.15" | — |
| 1989 | 92° | 66° | 79° | — | — |
| 1988 | 84° | 63° | 73° | 0.43" | — |
| 1987 | 89° | 69° | 79° | 0.03" | — |
| 1986 | 85° | 60° | 72° | — | — |
| 1985 | 89° | 63° | 76° | 1.19" | — |
| 1984 | 93° | 65° | 79° | — | — |
| 1983 | 82° | 64° | 73° | 1.52" | — |
| 1982 | 89° | 72° | 80° | 0.05" | — |
| 1981coldest | 79° | 59° | 69° | — | — |
| 1980 | 85° | 66° | 75° | 0.25" | — |
| 1979 | 79° | 65° | 72° | 14.1" | — |
| 1978 | 82° | 70° | 76° | 0.03" | — |
| 1977 | 82° | 63° | 72° | 1.68" | — |
| 1976 | 81° | 64° | 72° | — | — |
| 1975 | 87° | 73° | 80° | — | — |
| 1974 | 89° | 72° | 80° | — | — |
| 1973 | 90° | 68° | 79° | — | — |
| 1972 | 87° | 65° | 76° | — | — |
| 1971 | 86° | 68° | 77° | — | — |
55 years of data from AUSTIN 6S