August is one of the warmer months of the year in New Braunfels, with average highs near 36.4°C and lows around 24.2°C (mean 30.3°C). It is about average for rainfall, averaging 60 mm of rainfall and 62% relative humidity across the period.
August is one of the warmer months of the year in New Braunfels. Across 45 years of records, the warmest August in New Braunfels was 2023 — when the month averaged 33.5°C — while the coldest was 2007 at 27.2°C. Typical August days reach 36.4°C with nights near 24.2°C. The long-term trend is warming, about 0.4°C per decade.
August is about average for rainfall in New Braunfels, averaging 60 mm of rainfall. The wettest August on record was 2017 with 342 mm, while the driest was 2011 at 4 mm.
Relative humidity in New Braunfels during August averages 62%. The most humid August was 2007 at 84%, and the least humid was 2023 at 47%.
August receives about 6.4 kWh/m²/day of solar energy in New Braunfels. The sunniest Augusts were 1985, 2011 and 2023 at 7 kWh/m²/day, and the cloudiest were 1998 and 2008 at 5.7.
Average wind speed in New Braunfels during August is 2.6 m/s. The windiest August was 2017 at 3.3 m/s, while the calmest was 2024 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.1°C | 29.6°C | 29.6°C | 31.1°C | 31.4°C | +1.3°C |
| Avg High | 36.5°C | 35.4°C | 35.2°C | 37.5°C | 37.9°C | +1.4°C |
| Avg Low | 23.8°C | 23.7°C | 24.0°C | 24.8°C | 24.9°C | +1.1°C |
| Avg Rain | 41 mm | 70 mm | 68 mm | 71 mm | 42 mm | +1 mm |
August temperatures in New Braunfels have risen by about 1.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 17.9°C (1992) to a record high of 44.8°C (2011).
Rainfall in August is about average for rainfall, averaging 60 mm, with a wettest year of 342 mm.
A quieter season to visit New Braunfels
If your dates are flexible, the more temperate months of April and October tend to be the most comfortable for visiting New Braunfels. That said, August — with days averaging 36.4°C and nights around 24.2°C (mean 30.3°C) and moderate rainfall (60 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 39.4°C | 32.2°C | 25.1°C | 41.3°C | 23.0°C | 25 mm | 52% | 2.2 m/s | 6.4 |
| 2024 | 38.0°C | 31.4°C | 24.9°C | 43.3°C | 22.6°C | 43 mm | 61% | 2 m/s | 6.8 |
| 2023 🔥 | 41.0°C | 33.5°C | 25.9°C | 43.6°C | 24.2°C | 10 mm | 47% | 2.9 m/s | 7 |
| 2022 | 36.5°C | 30.8°C | 25.2°C | 40.3°C | 24.1°C | 83 mm | 65% | 2.5 m/s | 5.8 |
| 2021 | 34.2°C | 29.0°C | 23.8°C | 37.4°C | 22.5°C | 62 mm | 73% | 2.2 m/s | 6.3 |
| 2020 | 38.4°C | 31.4°C | 24.5°C | 41.3°C | 21.8°C | 31 mm | 57% | 2.6 m/s | 6.8 |
| 2019 | 39.4°C | 32.7°C | 26.0°C | 42.1°C | 24.7°C | 12 mm | 54% | 2.8 m/s | 6.7 |
| 2018 | 37.4°C | 31.0°C | 24.6°C | 39.6°C | 21.2°C | 31 mm | 59% | 2.9 m/s | 6.6 |
| 2017 🌧️ | 35.0°C | 29.5°C | 24.0°C | 38.9°C | 18.4°C | 342 mm | 67% | 3.3 m/s | 6.1 |
| 2016 | 33.1°C | 28.5°C | 23.9°C | 40.7°C | 22.0°C | 196 mm | 75% | 2.3 m/s | 5.8 |
| 2015 | 38.0°C | 31.2°C | 24.5°C | 42.5°C | 21.1°C | 26 mm | 56% | 2.5 m/s | 6.7 |
| 2014 | 37.8°C | 31.2°C | 24.6°C | 40.4°C | 22.3°C | 17 mm | 56% | 2.9 m/s | 6.7 |
| 2013 | 37.7°C | 31.0°C | 24.4°C | 41.1°C | 21.2°C | 16 mm | 56% | 2.7 m/s | 6.6 |
| 2012 | 37.6°C | 30.9°C | 24.3°C | 41.1°C | 21.2°C | 56 mm | 58% | 2.7 m/s | 6.8 |
| 2011 | 40.5°C | 33.2°C | 25.9°C | 44.8°C | 24.2°C | 4 mm | 48% | 2.9 m/s | 7 |
| 2010 | 38.4°C | 31.9°C | 25.3°C | 42.1°C | 21.6°C | 6 mm | 54% | 2.7 m/s | 6.8 |
| 2009 | 38.0°C | 31.5°C | 25.0°C | 40.6°C | 22.5°C | 22 mm | 54% | 2.9 m/s | 6.7 |
| 2008 | 33.5°C | 28.5°C | 23.5°C | 39.3°C | 21.6°C | 122 mm | 72% | 2.1 m/s | 5.7 |
| 2007 ❄️ | 30.9°C | 27.2°C | 23.5°C | 34.3°C | 22.0°C | 156 mm | 84% | 2.1 m/s | 6 |
| 2006 | 36.8°C | 30.9°C | 25.1°C | 39.9°C | 22.8°C | 12 mm | 59% | 2.7 m/s | 6.4 |
| 2005 | 35.7°C | 30.0°C | 24.3°C | 39.7°C | 21.2°C | 46 mm | 65% | 2.3 m/s | 6.3 |
| 2004 | 35.0°C | 29.0°C | 23.1°C | 38.3°C | 18.7°C | 56 mm | 65% | 2.4 m/s | 6.2 |
| 2003 | 35.3°C | 29.5°C | 23.6°C | 41.7°C | 20.1°C | 45 mm | 66% | 2.2 m/s | 6.3 |
| 2002 | 32.6°C | 27.8°C | 23.0°C | 36.9°C | 20.8°C | 35 mm | 78% | 2.1 m/s | 6.4 |
| 2001 | 36.4°C | 30.7°C | 25.0°C | 41.1°C | 22.1°C | 180 mm | 60% | 2.9 m/s | 6.2 |
| 2000 | 37.6°C | 30.9°C | 24.3°C | 41.5°C | 22.7°C | 10 mm | 55% | 2.6 m/s | 6.7 |
| 1999 | 37.5°C | 31.3°C | 25.0°C | 42.0°C | 23.7°C | 25 mm | 56% | 2.5 m/s | 6.6 |
| 1998 | 33.8°C | 28.9°C | 23.9°C | 40.9°C | 21.8°C | 196 mm | 72% | 2.1 m/s | 5.7 |
| 1997 | 36.9°C | 30.4°C | 23.8°C | 39.7°C | 21.1°C | 40 mm | 60% | 2.6 m/s | 6.5 |
| 1996 | 33.7°C | 28.8°C | 23.9°C | 41.1°C | 21.2°C | 144 mm | 68% | 2.7 m/s | 5.9 |
| 1995 | 35.3°C | 30.0°C | 24.6°C | 38.5°C | 22.8°C | 60 mm | 65% | 2.3 m/s | 6.2 |
| 1994 | 35.1°C | 29.2°C | 23.4°C | 38.2°C | 21.4°C | 70 mm | 65% | 2.5 m/s | 6.2 |
| 1993 | 37.8°C | 31.1°C | 24.4°C | 40.2°C | 22.9°C | 14 mm | 56% | 3.2 m/s | 6.8 |
| 1992 | 34.0°C | 27.8°C | 21.6°C | 36.4°C | 17.9°C | 65 mm | 66% | 2.3 m/s | 6.4 |
| 1991 | 36.0°C | 29.9°C | 23.7°C | 39.3°C | 22.7°C | 58 mm | 62% | 2.4 m/s | 6.3 |
| 1990 | 34.0°C | 28.1°C | 22.3°C | 38.2°C | 19.5°C | 34 mm | 70% | 2.4 m/s | 6.7 |
| 1989 | 36.2°C | 29.7°C | 23.3°C | 39.5°C | 18.2°C | 25 mm | 59% | 3.1 m/s | 6.2 |
| 1988 | 36.9°C | 30.7°C | 24.5°C | 40.0°C | 22.5°C | 22 mm | 58% | 2.4 m/s | 6.2 |
| 1987 | 36.5°C | 30.1°C | 23.8°C | 40.0°C | 21.7°C | 48 mm | 63% | 2.9 m/s | 6.6 |
| 1986 | 36.4°C | 30.0°C | 23.6°C | 42.5°C | 18.6°C | 41 mm | 58% | 2.9 m/s | 6.2 |
| 1985 | 38.4°C | 31.4°C | 24.3°C | 40.8°C | 22.2°C | 9 mm | 52% | 2.8 m/s | 7 |
| 1984 | 36.4°C | 29.9°C | 23.4°C | 39.6°C | 20.9°C | 29 mm | 58% | 2.8 m/s | 6.5 |
| 1983 | 34.6°C | 29.0°C | 23.4°C | 38.9°C | 22.1°C | 70 mm | 68% | 2.2 m/s | — |
| 1982 | 37.4°C | 30.8°C | 24.1°C | 40.5°C | 22.4°C | 39 mm | 58% | 3 m/s | — |
| 1981 | 35.7°C | 29.6°C | 23.5°C | 39.2°C | 19.7°C | 87 mm | 63% | 2.6 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 36.4°C with lows near 24.2°C (mean 30.3°C), based on 45 years of NASA POWER data.
August averages 60 mm of rainfall in New Braunfels, about average for rainfall. The wettest on record was 342 mm in 2017.
The hottest August reached 44.8°C in 2011. The coldest dipped to 17.9°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.3°C. Daytime highs moved from 36.5°C to 37.8°C and overnight lows from 23.7°C to 25°C over the same span.
August is one of the warmer months of the year in New Braunfels and about average for rainfall, so plan for around 36.4°C daytime highs and 24.2°C at night.
Not quite — August is the 12th coolest month in New Braunfels, averaging 30.3°C.
For August in New Braunfels, pack light, breathable clothing and sun protection, with typical highs of 36.4°C and lows of 24.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 62% — moderately humid.
Average wind speed in August is 2.6 m/s. The windiest August on record averaged 3.3 m/s (2017).
The wettest August on record was 2017 with 342 mm. On average, August sees 60 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in New Braunfels behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.
