Weather on May 21
New Braunfels, TX
55 Years of Data
Avg High
87°F
Avg Low
65°F
Warmest
2024
87°F avg
Coldest
1983
66°F avg
About This Date
May 21st in New Braunfels, TX typically brings warm spring weather, with average highs around 87°F and lows near 65°F. Over 55 years of records, the warmest May 21st was in 2024 (87°F average), while the coldest was 1983 (66°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 21st dates historically, with the wettest May 21st recording 5" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in New Braunfels, TX? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 70° | 84° | — | — |
| 2024warmest | 99° | 75° | 87° | — | — |
| 2023 | 74° | 66° | 70° | 0.56" | — |
| 2022 | 100° | 72° | 86° | 0.46" | — |
| 2021 | 86° | 63° | 74° | — | — |
| 2020 | 95° | 72° | 83° | — | — |
| 2019 | 89° | 67° | 78° | 0.1" | — |
| 2018 | 87° | 68° | 78° | — | — |
| 2017 | 79° | 63° | 71° | 5" | — |
| 2016 | 88° | 71° | 79° | 0.18" | — |
| 2015 | 76° | 64° | 70° | 0.13" | — |
| 2014 | 90° | 69° | 79° | — | — |
| 2013 | 92° | 71° | 81° | 0.03" | — |
| 2012 | 89° | 62° | 76° | — | — |
| 2011 | 91° | 66° | 79° | 0.03" | — |
| 2010 | 91° | 70° | 80° | — | — |
| 2009 | 89° | 57° | 73° | — | — |
| 2008 | 97° | 72° | 84° | — | — |
| 2007 | 82° | 68° | 75° | 0.15" | — |
| 2006 | 94° | 65° | 79° | — | — |
| 2005 | 96° | 65° | 80° | — | — |
| 2004 | 88° | 71° | 79° | — | — |
| 2003 | 86° | 63° | 74° | — | — |
| 2002 | 85° | 52° | 68° | — | — |
| 2001 | 84° | 60° | 72° | 3.89" | — |
| 2000 | 87° | 65° | 76° | — | — |
| 1999 | 88° | 69° | 78° | — | — |
| 1998 | 93° | 71° | 82° | — | — |
| 1997 | 79° | 63° | 71° | — | — |
| 1996 | 97° | 72° | 84° | — | — |
| 1995 | 85° | 61° | 73° | — | — |
| 1994 | 84° | 53° | 69° | — | — |
| 1993 | 83° | 58° | 70° | — | — |
| 1992 | 78° | 69° | 74° | 3.51" | — |
| 1991 | 84° | 66° | 75° | — | — |
| 1990 | 92° | 72° | 82° | — | — |
| 1989 | 91° | 62° | 77° | — | — |
| 1988 | 85° | 59° | 72° | 4.95" | — |
| 1987 | 89° | 67° | 78° | 0.56" | — |
| 1986 | 83° | 50° | 66° | — | — |
| 1985 | 89° | 65° | 77° | 0.48" | — |
| 1984 | 90° | 64° | 77° | — | — |
| 1983coldest | 70° | 62° | 66° | 3.89" | — |
| 1982 | 88° | 70° | 79° | — | — |
| 1981 | 80° | 53° | 67° | — | — |
| 1980 | 85° | 61° | 73° | 1.09" | — |
| 1979 | 84° | 70° | 77° | 0.36" | — |
| 1978 | 79° | 68° | 73° | 4.47" | — |
| 1977 | 84° | 61° | 72° | 1.52" | — |
| 1976 | 71° | 62° | 67° | 1.83" | — |
| 1975 | 91° | 66° | 79° | 0.08" | — |
| 1974 | 88° | 71° | 79° | 0.05" | — |
| 1973 | 95° | 68° | 82° | — | — |
| 1972 | 89° | 64° | 77° | — | — |
| 1971 | 85° | 70° | 77° | — | — |
55 years of data from AUSTIN SAN ANTONIO