August is one of the warmer months of the year in Mount Juliet, with average highs near 31.8°C and lows around 20°C (mean 25.9°C). It is one of the drier months, averaging 94 mm of rainfall and 69% relative humidity across the period.
August is one of the warmer months of the year in Mount Juliet. Across 45 years of records, the warmest August in Mount Juliet was 2007 — when the month averaged 30.1°C — while the coldest was 2004 at 22.8°C. Typical August days reach 31.8°C with nights near 20°C. The long-term August temperature trend is broadly flat.
August is one of the drier months in Mount Juliet, averaging 94 mm of rainfall. The wettest August on record was 2021 with 190 mm, while the driest was 2024 at 32 mm.
Relative humidity in Mount Juliet during August averages 69%. 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 Mount Juliet. 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 Mount Juliet during August is 1.2 m/s. The windiest August was 1999 at 1.5 m/s, while the calmest was 1996 at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.8°C | 25.8°C | 26.4°C | 25.7°C | 25.9°C | +0.1°C |
| Avg High | 31.7°C | 32.0°C | 32.4°C | 31.2°C | 31.7°C | 0°C |
| Avg Low | 19.8°C | 19.7°C | 20.5°C | 20.2°C | 20.1°C | +0.3°C |
| Avg Rain | 101 mm | 71 mm | 82 mm | 113 mm | 111 mm | +10 mm |
August temperatures in Mount Juliet have risen by about 0.5°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 9.2°C (1986) to a record high of 41.5°C (2007).
Rainfall in August is one of the drier months, averaging 94 mm, with a wettest year of 190 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°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 Mount Juliet
August is one of the best times to visit Mount Juliet. Expect days averaging 31.8°C and nights around 20°C (mean 25.9°C) — warmer than Mount Juliet's yearly average — with higher rainfall (94 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 | 32.5°C | 26.0°C | 19.5°C | 37.5°C | 12.7°C | 69 mm | 62% | 1.1 m/s | 6 |
| 2024 | 33.5°C | 26.5°C | 19.5°C | 38.6°C | 13.4°C | 32 mm | 61% | 1.2 m/s | 6.3 |
| 2023 | 31.1°C | 25.5°C | 20.0°C | 36.8°C | 14.0°C | 131 mm | 74% | 1.2 m/s | 5.3 |
| 2022 | 31.2°C | 25.8°C | 20.3°C | 35.2°C | 15.7°C | 82 mm | 74% | 1.2 m/s | 5.7 |
| 2021 🌧️ | 31.4°C | 26.2°C | 20.9°C | 34.8°C | 16.6°C | 190 mm | 73% | 1.1 m/s | 5.3 |
| 2020 | 30.2°C | 25.1°C | 20.1°C | 33.3°C | 17.6°C | 159 mm | 77% | 1.2 m/s | 5.4 |
| 2019 | 31.7°C | 26.0°C | 20.3°C | 36.1°C | 14.5°C | 108 mm | 71% | 1 m/s | 5.9 |
| 2018 | 30.9°C | 25.7°C | 20.6°C | 34.8°C | 14.3°C | 111 mm | 73% | 1.3 m/s | 5.5 |
| 2017 | 29.9°C | 24.5°C | 19.0°C | 34.0°C | 13.4°C | 157 mm | 73% | 1.2 m/s | 5.4 |
| 2016 | 32.2°C | 27.1°C | 22.0°C | 34.9°C | 15.3°C | 106 mm | 74% | 1.2 m/s | 5.4 |
| 2015 | 29.2°C | 23.9°C | 18.5°C | 33.5°C | 13.1°C | 99 mm | 76% | 1.2 m/s | 5.7 |
| 2014 | 31.7°C | 26.1°C | 20.4°C | 35.7°C | 14.1°C | 145 mm | 70% | 1.2 m/s | 5.4 |
| 2013 | 28.6°C | 24.1°C | 19.5°C | 32.1°C | 12.5°C | 104 mm | 83% | 1.1 m/s | 5.2 |
| 2012 | 30.8°C | 24.9°C | 19.1°C | 35.6°C | 13.0°C | 103 mm | 69% | 1.2 m/s | 5.7 |
| 2011 | 34.2°C | 27.3°C | 20.4°C | 38.6°C | 16.3°C | 35 mm | 61% | 1.3 m/s | 6 |
| 2010 | 32.9°C | 27.3°C | 21.7°C | 37.9°C | 16.2°C | 162 mm | 73% | 1.2 m/s | 6 |
| 2009 | 30.1°C | 24.7°C | 19.4°C | 33.3°C | 13.0°C | 59 mm | 75% | 1.3 m/s | 5.8 |
| 2008 | 32.3°C | 25.8°C | 19.3°C | 36.6°C | 15.2°C | 67 mm | 62% | 1.3 m/s | 5.7 |
| 2007 🔥 | 36.9°C | 30.1°C | 23.4°C | 41.5°C | 20.2°C | 35 mm | 54% | 1.2 m/s | 6.1 |
| 2006 | 33.2°C | 27.6°C | 21.9°C | 37.8°C | 16.2°C | 97 mm | 68% | 1.2 m/s | 5.3 |
| 2005 | 33.5°C | 27.6°C | 21.6°C | 37.4°C | 17.2°C | 144 mm | 67% | 1.3 m/s | 5.3 |
| 2004 ❄️ | 28.5°C | 22.8°C | 17.2°C | 33.3°C | 10.2°C | 89 mm | 75% | 1.4 m/s | 5.5 |
| 2003 | 30.3°C | 25.5°C | 20.7°C | 33.6°C | 16.9°C | 93 mm | 79% | 1.1 m/s | 5.5 |
| 2002 | 33.5°C | 27.0°C | 20.5°C | 38.2°C | 15.2°C | 65 mm | 62% | 1.3 m/s | 5.7 |
| 2001 | 31.6°C | 26.0°C | 20.4°C | 34.7°C | 14.8°C | 101 mm | 69% | 1.2 m/s | 5.2 |
| 2000 | 33.9°C | 27.1°C | 20.3°C | 39.3°C | 14.2°C | 66 mm | 60% | 1.4 m/s | 5.7 |
| 1999 | 34.3°C | 26.8°C | 19.3°C | 38.5°C | 14.0°C | 35 mm | 52% | 1.5 m/s | 5.9 |
| 1998 | 31.5°C | 25.5°C | 19.5°C | 35.3°C | 15.1°C | 48 mm | 69% | 1.1 m/s | 5.9 |
| 1997 | 30.9°C | 24.9°C | 18.9°C | 34.2°C | 12.0°C | 78 mm | 67% | 1.4 m/s | 5.5 |
| 1996 | 30.1°C | 24.6°C | 19.1°C | 33.6°C | 15.1°C | 63 mm | 71% | 0.9 m/s | 5.5 |
| 1995 | 34.5°C | 28.5°C | 22.5°C | 37.9°C | 17.7°C | 85 mm | 66% | 1.3 m/s | 5.6 |
| 1994 | 30.5°C | 24.6°C | 18.7°C | 33.7°C | 14.0°C | 105 mm | 71% | 1.3 m/s | 5.6 |
| 1993 | 34.1°C | 27.7°C | 21.3°C | 37.2°C | 16.8°C | 74 mm | 62% | 1.1 m/s | 5.3 |
| 1992 | 28.6°C | 23.2°C | 17.8°C | 32.0°C | 11.2°C | 108 mm | 74% | 1.2 m/s | 4.9 |
| 1991 | 31.6°C | 25.7°C | 19.8°C | 34.6°C | 13.9°C | 63 mm | 67% | 1.1 m/s | 5.5 |
| 1990 | 33.8°C | 26.9°C | 20.0°C | 39.1°C | 13.4°C | 46 mm | 59% | 1.2 m/s | 5.5 |
| 1989 | 28.6°C | 23.8°C | 18.9°C | 31.6°C | 10.3°C | 79 mm | 79% | 1.1 m/s | 5.5 |
| 1988 | 34.3°C | 27.7°C | 21.1°C | 39.7°C | 12.2°C | 96 mm | 60% | 1.2 m/s | 5.3 |
| 1987 | 34.2°C | 27.6°C | 21.0°C | 38.2°C | 14.7°C | 64 mm | 59% | 1.3 m/s | 5.5 |
| 1986 | 31.5°C | 25.3°C | 19.0°C | 35.6°C | 9.2°C | 98 mm | 64% | 1.4 m/s | 5.2 |
| 1985 | 30.6°C | 25.0°C | 19.4°C | 35.8°C | 15.5°C | 150 mm | 71% | 1.3 m/s | 4.9 |
| 1984 | 30.0°C | 24.6°C | 19.2°C | 33.1°C | 13.2°C | 85 mm | 74% | 1.2 m/s | 4.9 |
| 1983 | 34.4°C | 28.1°C | 21.8°C | 38.9°C | 15.1°C | 54 mm | 61% | 1 m/s | — |
| 1982 | 29.6°C | 24.0°C | 18.3°C | 34.8°C | 12.7°C | 177 mm | 74% | 1.2 m/s | — |
| 1981 | 31.8°C | 25.7°C | 19.6°C | 35.7°C | 15.8°C | 103 mm | 67% | 1.2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 31.8°C with lows near 20°C (mean 25.9°C), based on 45 years of NASA POWER data.
August averages 94 mm of rainfall in Mount Juliet, one of the drier months. The wettest on record was 190 mm in 2021.
The hottest August reached 41.5°C in 2007. The coldest dipped to 9.2°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 31.3°C to 31.9°C and overnight lows from 19.7°C to 20°C over the same span.
August is one of the warmer months of the year in Mount Juliet and one of the drier months, so plan for around 31.8°C daytime highs and 20°C at night.
Not quite — August is the 11th coolest month in Mount Juliet, averaging 25.9°C.
For August in Mount Juliet, pack light, breathable clothing and sun protection, with typical highs of 31.8°C and lows of 20°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 69% — moderately humid.
Average wind speed in August is 1.2 m/s. The windiest August on record averaged 1.5 m/s (1999).
The wettest August on record was 2021 with 190 mm. On average, August sees 94 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 Mount Juliet 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.
