Weather on August 18
New Braunfels, TX
55 Years of Data
Avg High
97°F
Avg Low
73°F
Warmest
1982
90°F avg
Coldest
2008
77°F avg
About This Date
August 18th in New Braunfels, TX typically brings hot summer weather, with average highs around 97°F and lows near 73°F. Over 55 years of records, the warmest August 18th was in 1982 (90°F average), while the coldest was 2008 (77°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 18th dates historically, with the wettest August 18th recording 2.41" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in New Braunfels, 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 | 102° | 72° | 87° | — | — |
| 2024 | 103° | 77° | 90° | — | — |
| 2023 | 106° | 75° | 90° | — | — |
| 2022 | 100° | 74° | 87° | — | — |
| 2021 | 97° | 78° | 87° | 0.05" | — |
| 2020 | 104° | 76° | 90° | — | — |
| 2019 | 102° | 78° | 90° | — | — |
| 2018 | 102° | 74° | 88° | — | — |
| 2017 | 100° | 76° | 88° | — | — |
| 2016 | 90° | 74° | 82° | 0.03" | — |
| 2015 | 100° | 76° | 88° | — | — |
| 2014 | 101° | 75° | 88° | — | — |
| 2013 | 98° | 66° | 82° | — | — |
| 2012 | 98° | 73° | 86° | 2.41" | — |
| 2011 | 103° | 69° | 86° | — | — |
| 2010 | 102° | 76° | 89° | — | — |
| 2009 | 98° | 76° | 87° | — | — |
| 2008coldest | 81° | 73° | 77° | 1.17" | — |
| 2007 | 95° | 78° | 87° | — | — |
| 2006 | 102° | 74° | 88° | — | — |
| 2005 | 99° | 74° | 86° | — | — |
| 2004 | 94° | 65° | 79° | 0.33" | — |
| 2003 | 98° | 69° | 84° | — | — |
| 2002 | 96° | 77° | 87° | — | — |
| 2001 | 101° | 71° | 86° | — | — |
| 2000 | 99° | 70° | 84° | — | — |
| 1999 | 97° | 71° | 84° | 0.03" | — |
| 1998 | 90° | 74° | 82° | 1.09" | — |
| 1997 | 99° | 76° | 87° | — | — |
| 1996 | 99° | 72° | 85° | — | — |
| 1995 | 96° | 70° | 83° | — | — |
| 1994 | 98° | 75° | 87° | — | — |
| 1993 | 97° | 74° | 85° | — | — |
| 1992 | 87° | — | — | — | — |
| 1991 | 96° | 71° | 84° | 0.41" | — |
| 1990 | 95° | 77° | 86° | — | — |
| 1989 | 97° | 69° | 83° | 0.25" | — |
| 1988 | 93° | 71° | 82° | — | — |
| 1987 | 99° | 76° | 87° | — | — |
| 1986 | 99° | 73° | 86° | — | — |
| 1985 | 100° | 76° | 88° | — | — |
| 1984 | 98° | 69° | 84° | — | — |
| 1983 | 95° | 69° | 82° | — | — |
| 1982warmest | 102° | 77° | 90° | — | — |
| 1981 | 93° | 72° | 82° | 0.36" | — |
| 1980 | 92° | 75° | 83° | — | — |
| 1979 | 92° | 74° | 83° | — | — |
| 1978 | 98° | 76° | 87° | — | — |
| 1977 | 100° | 77° | 89° | 0.94" | — |
| 1976 | 92° | 73° | 82° | 1.27" | — |
| 1975 | 95° | 76° | 85° | — | — |
| 1974 | 97° | 72° | 84° | — | — |
| 1973 | 91° | 70° | 80° | — | — |
| 1972 | 96° | 69° | 83° | — | — |
| 1971 | 94° | 70° | 82° | — | — |
55 years of data from AUSTIN SAN ANTONIO