August is one of the warmer months of the year in Gallatin, with average highs near 31.2°C and lows around 19.7°C (mean 25.5°C). It is one of the drier months, averaging 93 mm of rainfall and 70% relative humidity across the period.
August is one of the warmer months of the year in Gallatin. Across 45 years of records, the warmest August in Gallatin was 2007 — when the month averaged 29.8°C — while the coldest was 2004 at 22°C. Typical August days reach 31.2°C with nights near 19.7°C. The long-term August temperature trend is broadly flat.
August is one of the drier months in Gallatin, averaging 93 mm of rainfall. The wettest August on record was 1982 with 192 mm, while the driest was 2007 at 28 mm.
Relative humidity in Gallatin during August averages 70%. The most humid August was 2013 at 83%, and the least humid was 1999 at 52%.
August receives about 5.5 kWh/m²/day of solar energy in Gallatin. The sunniest August was 2024 at 6.3 kWh/m²/day, and the cloudiest were 1984, 1985 and 1992 at 4.9.
Average wind speed in Gallatin during August is 1.3 m/s. The windiest Augusts were 1986, 1997 and 1999 at 1.5 m/s, while the calmest was 1996 at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.4°C | 25.3°C | 25.9°C | 25.1°C | 25.5°C | +0.1°C |
| Avg High | 31.3°C | 31.4°C | 31.7°C | 30.5°C | 31.2°C | -0.1°C |
| Avg Low | 19.4°C | 19.2°C | 20.1°C | 19.7°C | 19.8°C | +0.4°C |
| Avg Rain | 99 mm | 71 mm | 85 mm | 116 mm | 96 mm | -3 mm |
August temperatures in Gallatin have risen by about 0.5°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 8.4°C (1986) to a record high of 41.4°C (2007).
Rainfall in August is one of the drier months, averaging 93 mm, with a wettest year of 192 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
One of the best times to visit Gallatin
August is one of the best times to visit Gallatin. Expect days averaging 31.2°C and nights around 19.7°C (mean 25.5°C) — warmer than Gallatin's yearly average — with higher rainfall (93 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 32.0°C | 25.6°C | 19.3°C | 37.4°C | 12.3°C | 43 mm | 63% | 1.2 m/s | 6 |
| 2024 | 32.5°C | 25.8°C | 19.1°C | 38.6°C | 12.8°C | 31 mm | 63% | 1.3 m/s | 6.3 |
| 2023 | 31.1°C | 25.3°C | 19.6°C | 36.9°C | 13.6°C | 109 mm | 74% | 1.4 m/s | 5.3 |
| 2022 | 30.3°C | 25.1°C | 19.9°C | 34.7°C | 15.1°C | 78 mm | 77% | 1.2 m/s | 5.7 |
| 2021 | 31.6°C | 26.3°C | 21.0°C | 36.1°C | 16.3°C | 157 mm | 72% | 1.1 m/s | 5.3 |
| 2020 | 29.4°C | 24.6°C | 19.7°C | 32.2°C | 17.1°C | 157 mm | 79% | 1.3 m/s | 5.4 |
| 2019 | 30.4°C | 25.0°C | 19.7°C | 34.1°C | 15.1°C | 116 mm | 76% | 1.1 m/s | 5.9 |
| 2018 | 30.1°C | 25.1°C | 20.1°C | 33.5°C | 13.5°C | 113 mm | 76% | 1.3 m/s | 5.5 |
| 2017 | 29.4°C | 24.0°C | 18.6°C | 34.2°C | 12.9°C | 162 mm | 74% | 1.3 m/s | 5.4 |
| 2016 | 30.4°C | 25.9°C | 21.4°C | 32.9°C | 14.6°C | 102 mm | 80% | 1.1 m/s | 5.4 |
| 2015 | 28.3°C | 23.2°C | 18.2°C | 31.7°C | 12.9°C | 74 mm | 78% | 1.2 m/s | 5.7 |
| 2014 | 31.5°C | 25.9°C | 20.2°C | 35.6°C | 14.1°C | 158 mm | 70% | 1.2 m/s | 5.4 |
| 2013 | 28.3°C | 23.8°C | 19.2°C | 31.6°C | 11.8°C | 124 mm | 83% | 1.1 m/s | 5.2 |
| 2012 | 30.9°C | 24.9°C | 18.8°C | 36.5°C | 13.1°C | 105 mm | 67% | 1.3 m/s | 5.7 |
| 2011 | 33.3°C | 26.7°C | 20.1°C | 37.5°C | 16.4°C | 29 mm | 64% | 1.4 m/s | 6 |
| 2010 | 31.9°C | 26.5°C | 21.1°C | 36.7°C | 14.2°C | 179 mm | 75% | 1.2 m/s | 6 |
| 2009 | 29.2°C | 24.1°C | 19.0°C | 32.4°C | 12.3°C | 52 mm | 77% | 1.4 m/s | 5.8 |
| 2008 | 31.5°C | 25.2°C | 18.9°C | 35.6°C | 14.7°C | 47 mm | 64% | 1.3 m/s | 5.7 |
| 2007 🔥 | 36.5°C | 29.8°C | 23.0°C | 41.4°C | 19.7°C | 28 mm | 55% | 1.3 m/s | 6.1 |
| 2006 | 32.4°C | 26.9°C | 21.3°C | 37.2°C | 15.5°C | 119 mm | 70% | 1.3 m/s | 5.3 |
| 2005 | 32.9°C | 27.1°C | 21.3°C | 37.1°C | 16.7°C | 190 mm | 69% | 1.3 m/s | 5.3 |
| 2004 ❄️ | 27.3°C | 22.0°C | 16.8°C | 31.6°C | 10.1°C | 87 mm | 79% | 1.4 m/s | 5.5 |
| 2003 | 29.6°C | 25.0°C | 20.4°C | 32.1°C | 16.6°C | 107 mm | 81% | 1.1 m/s | 5.5 |
| 2002 | 32.9°C | 26.6°C | 20.3°C | 38.3°C | 14.7°C | 63 mm | 64% | 1.4 m/s | 5.7 |
| 2001 | 31.8°C | 26.2°C | 20.5°C | 34.8°C | 14.5°C | 89 mm | 68% | 1.3 m/s | 5.2 |
| 2000 | 33.2°C | 26.5°C | 19.8°C | 38.7°C | 13.9°C | 66 mm | 63% | 1.4 m/s | 5.7 |
| 1999 | 33.9°C | 26.3°C | 18.7°C | 37.7°C | 13.3°C | 43 mm | 52% | 1.5 m/s | 5.9 |
| 1998 | 30.3°C | 24.6°C | 19.0°C | 33.5°C | 13.7°C | 43 mm | 73% | 1.1 m/s | 5.9 |
| 1997 | 30.2°C | 24.3°C | 18.5°C | 33.4°C | 11.5°C | 82 mm | 69% | 1.5 m/s | 5.5 |
| 1996 | 29.6°C | 24.2°C | 18.8°C | 33.7°C | 15.7°C | 54 mm | 72% | 1 m/s | 5.5 |
| 1995 | 34.2°C | 28.2°C | 22.2°C | 37.6°C | 16.8°C | 80 mm | 67% | 1.4 m/s | 5.6 |
| 1994 | 30.3°C | 24.2°C | 18.1°C | 34.1°C | 13.4°C | 109 mm | 70% | 1.4 m/s | 5.6 |
| 1993 | 33.7°C | 27.2°C | 20.7°C | 37.1°C | 15.5°C | 71 mm | 63% | 1.2 m/s | 5.3 |
| 1992 | 27.4°C | 22.4°C | 17.3°C | 31.0°C | 11.0°C | 104 mm | 78% | 1.2 m/s | 4.9 |
| 1991 | 31.7°C | 25.6°C | 19.5°C | 35.0°C | 13.9°C | 67 mm | 67% | 1.2 m/s | 5.5 |
| 1990 | 33.2°C | 26.3°C | 19.4°C | 38.2°C | 12.6°C | 54 mm | 61% | 1.2 m/s | 5.5 |
| 1989 | 28.4°C | 23.6°C | 18.7°C | 31.4°C | 10.4°C | 91 mm | 79% | 1.1 m/s | 5.5 |
| 1988 | 33.9°C | 27.3°C | 20.8°C | 39.7°C | 11.5°C | 101 mm | 61% | 1.2 m/s | 5.3 |
| 1987 | 33.8°C | 27.2°C | 20.6°C | 37.9°C | 14.5°C | 63 mm | 59% | 1.3 m/s | 5.5 |
| 1986 | 31.2°C | 24.8°C | 18.5°C | 35.2°C | 8.4°C | 86 mm | 64% | 1.5 m/s | 5.2 |
| 1985 | 30.2°C | 24.6°C | 19.0°C | 36.0°C | 15.2°C | 139 mm | 72% | 1.4 m/s | 4.9 |
| 1984 | 30.2°C | 24.6°C | 18.9°C | 33.3°C | 12.9°C | 93 mm | 72% | 1.3 m/s | 4.9 |
| 1983 | 34.1°C | 27.8°C | 21.5°C | 38.6°C | 14.1°C | 40 mm | 62% | 1.1 m/s | — |
| 1982 🌧️ | 29.0°C | 23.4°C | 17.7°C | 33.7°C | 12.4°C | 192 mm | 75% | 1.3 m/s | — |
| 1981 | 31.0°C | 25.1°C | 19.2°C | 34.4°C | 15.1°C | 82 mm | 69% | 1.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 31.2°C with lows near 19.7°C (mean 25.5°C), based on 45 years of NASA POWER data.
August averages 93 mm of rainfall in Gallatin, one of the drier months. The wettest on record was 192 mm in 1982.
The hottest August reached 41.4°C in 2007. The coldest dipped to 8.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.5°C. Daytime highs moved from 30.9°C to 31.5°C and overnight lows from 19.3°C to 19.8°C over the same span.
August is one of the warmer months of the year in Gallatin and one of the drier months, so plan for around 31.2°C daytime highs and 19.7°C at night.
Not quite — August is the 11th coolest month in Gallatin, averaging 25.5°C.
For August in Gallatin, pack light, breathable clothing and sun protection, with typical highs of 31.2°C and lows of 19.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 70% — moderately humid.
Average wind speed in August is 1.3 m/s. The windiest August on record averaged 1.5 m/s (1986).
The wettest August on record was 1982 with 192 mm. On average, August sees 93 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 Gallatin 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.
