Weather on August 21
New Braunfels, TX
55 Years of Data
About This Date
August 21st in New Braunfels, TX typically brings hot summer weather, with average highs around 98°F and lows near 73°F — a 25°F daily swing. Over 56 years of records, the warmest August 21st was in 2023 (93°F average), while the coldest was 2016 (77°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 14% of August 21st dates historically, with the wettest August 21st recording 1.18" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in New Braunfels, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 103° | 73° | 88° | — | — |
| 2025 | 96° | 73° | 85° | 0.01" | — |
| 2024 | 110° | 75° | 92° | — | — |
| 2023warmest | 107° | 79° | 93° | — | — |
| 2022 | 93° | 76° | 84° | 0.01" | — |
| 2021 | 97° | 74° | 85° | — | — |
| 2020 | 103° | 73° | 88° | — | — |
| 2019 | 100° | 76° | 88° | — | — |
| 2018 | 102° | 74° | 88° | — | — |
| 2017 | 98° | 76° | 87° | — | — |
| 2016coldest | 82° | 72° | 77° | 1.18" | — |
| 2015 | 93° | 72° | 82° | 0.02" | — |
| 2014 | 102° | 77° | 90° | — | — |
| 2013 | 95° | 70° | 82° | — | — |
| 2012 | 94° | 70° | 82° | 0.06" | — |
| 2011 | 101° | 73° | 87° | — | — |
| 2010 | 101° | 75° | 88° | — | — |
| 2009 | 101° | 76° | 88° | 0.01" | — |
| 2008 | 94° | 74° | 84° | — | — |
| 2007 | 92° | 72° | 82° | 0.08" | — |
| 2006 | 101° | 72° | 86° | — | — |
| 2005 | 98° | 71° | 85° | — | — |
| 2004 | 90° | 73° | 81° | — | — |
| 2003 | 97° | 73° | 85° | — | — |
| 2002 | 98° | 75° | 87° | — | — |
| 2001 | 100° | 71° | 86° | — | — |
| 2000 | 95° | 68° | 82° | 0.15" | — |
| 1999 | 105° | 72° | 88° | — | — |
| 1998 | 98° | 72° | 85° | — | — |
| 1997 | 100° | 72° | 86° | — | — |
| 1996 | 96° | 70° | 83° | — | — |
| 1995 | 98° | 71° | 85° | — | — |
| 1994 | 99° | 75° | 87° | — | — |
| 1993 | 98° | 71° | 85° | — | — |
| 1992 | 86° | — | — | — | — |
| 1991 | 99° | 69° | 84° | — | — |
| 1990 | 99° | 76° | 87° | — | — |
| 1989 | 98° | 74° | 86° | — | — |
| 1988 | 99° | 75° | 87° | — | — |
| 1987 | 97° | 67° | 82° | — | — |
| 1986 | 100° | 71° | 86° | — | — |
| 1985 | 101° | 73° | 87° | — | — |
| 1984 | 104° | 73° | 89° | — | — |
| 1983 | 95° | 76° | 85° | — | — |
| 1982 | 99° | 69° | 84° | — | — |
| 1981 | 92° | 67° | 79° | — | — |
| 1980 | 95° | 75° | 85° | — | — |
| 1979 | 94° | 70° | 82° | — | — |
| 1978 | 98° | 71° | 85° | — | — |
| 1977 | 100° | 77° | 89° | — | — |
| 1976 | 92° | 67° | 79° | — | — |
| 1975 | 95° | 76° | 85° | — | — |
| 1974 | 94° | 73° | 83° | — | — |
| 1973 | 97° | 70° | 83° | — | — |
| 1972 | 98° | 72° | 85° | — | — |
| 1971 | 94° | 73° | 83° | — | — |
New Braunfels, TX Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
New Braunfels, TX Monthly Precipitation
Average rainfall and snowfall per month, in inches.
New Braunfels, TX Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit New Braunfels, TX
Most pleasant months in New Braunfels, TX: February, March, April, November, December.
What to expect on August 21st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
August 21st outlook →