August is one of the cooler months of the year in Tumut, with average highs near 11.2°C and lows around 2.3°C (mean 6.8°C). It is a relatively wet time of year, averaging 83 mm of rainfall and 83% relative humidity across the period.
August is one of the cooler months of the year in Tumut. Across 45 years of records, the warmest August in Tumut was 2024 — when the month averaged 9.8°C — while the coldest was 1989 at 5°C. Typical August days reach 11.2°C with nights near 2.3°C. The long-term trend is warming, about 0.3°C per decade.
August is a relatively wet time of year in Tumut, averaging 83 mm of rainfall. The wettest August on record was 1992 with 163 mm, while the driest was 1982 at 19 mm.
Relative humidity in Tumut during August averages 83%. The most humid August was 1990 at 91%, and the least humid was 1982 at 64%.
August receives about 3.3 kWh/m²/day of solar energy in Tumut. The sunniest Augusts were 1994, 2006 and 2014 at 3.8 kWh/m²/day, and the cloudiest were 1990 and 2022 at 2.8.
Average wind speed in Tumut during August is 1 m/s. The windiest August was 1991 at 1.3 m/s, while the calmest were 2014, 2016 and 2023, among others at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.6°C | 6.4°C | 6.9°C | 6.6°C | 8.0°C | +1.4°C |
| Avg High | 10.8°C | 10.8°C | 11.5°C | 11.0°C | 12.5°C | +1.7°C |
| Avg Low | 2.3°C | 2.0°C | 2.2°C | 2.1°C | 3.5°C | +1.2°C |
| Avg Rain | 102 mm | 95 mm | 81 mm | 72 mm | 53 mm | -49 mm |
August temperatures in Tumut have risen by about 1.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -3.7°C (2003) to a record high of 20.6°C (1982).
Rainfall in August is a relatively wet time of year, averaging 83 mm, with a wettest year of 163 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A quieter season to visit Tumut
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Tumut. That said, August — with days averaging 11.2°C and nights around 2.3°C (mean 6.8°C) and higher rainfall (83 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 13.6°C | 8.3°C | 3.0°C | 19.4°C | -0.9°C | 38 mm | 78% | 1 m/s | 3.5 |
| 2024 🔥 | 14.7°C | 9.8°C | 4.9°C | 20.3°C | -0.6°C | 34 mm | 77% | 1 m/s | 3.3 |
| 2023 | 13.6°C | 9.0°C | 4.4°C | 17.7°C | 0.3°C | 27 mm | 81% | 0.9 m/s | 3.3 |
| 2022 | 11.4°C | 7.5°C | 3.6°C | 16.2°C | -1.1°C | 89 mm | 86% | 1 m/s | 2.8 |
| 2021 | 11.7°C | 7.2°C | 2.6°C | 18.1°C | -1.1°C | 43 mm | 85% | 1 m/s | 3.2 |
| 2020 | 10.1°C | 6.4°C | 2.7°C | 16.0°C | -0.5°C | 86 mm | 86% | 1.1 m/s | 3.1 |
| 2019 | 11.1°C | 6.1°C | 1.1°C | 17.3°C | -2.1°C | 31 mm | 77% | 1.1 m/s | 3.6 |
| 2018 | 10.7°C | 6.1°C | 1.4°C | 16.3°C | -3.0°C | 59 mm | 77% | 1.1 m/s | 3.1 |
| 2017 | 10.8°C | 6.1°C | 1.4°C | 16.1°C | -2.8°C | 65 mm | 79% | 1.1 m/s | 3.4 |
| 2016 | 11.8°C | 7.1°C | 2.3°C | 16.0°C | -1.7°C | 50 mm | 82% | 0.9 m/s | 3.3 |
| 2015 | 10.1°C | 6.2°C | 2.2°C | 16.4°C | -3.2°C | 77 mm | 87% | 1 m/s | 3 |
| 2014 | 12.6°C | 7.2°C | 1.8°C | 16.2°C | -3.2°C | 28 mm | 80% | 0.9 m/s | 3.8 |
| 2013 | 10.8°C | 7.1°C | 3.4°C | 17.7°C | -1.0°C | 96 mm | 87% | 1.1 m/s | 3.2 |
| 2012 | 9.9°C | 5.7°C | 1.5°C | 15.2°C | -1.3°C | 77 mm | 84% | 1 m/s | 3.2 |
| 2011 | 13.4°C | 8.8°C | 4.2°C | 17.8°C | 1.7°C | 84 mm | 81% | 0.9 m/s | 3.4 |
| 2010 | 9.2°C | 5.6°C | 1.9°C | 13.3°C | -1.3°C | 155 mm | 88% | 1.1 m/s | 3 |
| 2009 | 11.8°C | 7.4°C | 3.0°C | 16.6°C | -2.4°C | 71 mm | 81% | 1.1 m/s | 3.1 |
| 2008 | 9.4°C | 5.2°C | 1.1°C | 15.7°C | -1.8°C | 58 mm | 84% | 1 m/s | 3.2 |
| 2007 | 12.8°C | 8.0°C | 3.2°C | 20.0°C | -0.3°C | 34 mm | 81% | 1 m/s | 3.3 |
| 2006 | 13.7°C | 8.0°C | 2.3°C | 19.2°C | -1.5°C | 27 mm | 71% | 0.9 m/s | 3.8 |
| 2005 | 11.9°C | 7.0°C | 2.2°C | 16.8°C | -1.2°C | 72 mm | 82% | 1.1 m/s | 3.5 |
| 2004 | 11.0°C | 6.7°C | 2.5°C | 17.9°C | -1.5°C | 112 mm | 83% | 1 m/s | 3.2 |
| 2003 | 11.0°C | 6.3°C | 1.6°C | 14.6°C | -3.7°C | 140 mm | 82% | 1.1 m/s | 3 |
| 2002 | 12.4°C | 7.2°C | 2.0°C | 17.8°C | -3.0°C | 49 mm | 75% | 1 m/s | 3.7 |
| 2001 | 10.8°C | 6.3°C | 1.9°C | 17.5°C | -1.9°C | 112 mm | 82% | 1.2 m/s | 2.9 |
| 2000 | 10.5°C | 6.5°C | 2.4°C | 15.7°C | -2.5°C | 134 mm | 87% | 0.9 m/s | 3 |
| 1999 | 12.7°C | 7.6°C | 2.4°C | 18.6°C | -2.7°C | 94 mm | 81% | 1 m/s | 3.6 |
| 1998 | 13.0°C | 8.2°C | 3.5°C | 16.3°C | -0.8°C | 110 mm | 85% | 1 m/s | 3.2 |
| 1997 | 10.4°C | 5.7°C | 1.0°C | 15.8°C | -2.4°C | 81 mm | 81% | 1.1 m/s | 3.3 |
| 1996 | 9.6°C | 5.9°C | 2.3°C | 14.6°C | -2.7°C | 106 mm | 88% | 1 m/s | 2.9 |
| 1995 | 12.6°C | 7.6°C | 2.6°C | 19.1°C | -3.3°C | 37 mm | 83% | 1 m/s | 3.7 |
| 1994 | 10.8°C | 5.6°C | 0.4°C | 17.4°C | -2.9°C | 25 mm | 76% | 1 m/s | 3.8 |
| 1993 | 11.8°C | 7.3°C | 2.8°C | 16.3°C | -2.0°C | 51 mm | 83% | 1 m/s | 3.4 |
| 1992 🌧️ | 9.6°C | 5.4°C | 1.1°C | 13.4°C | -2.4°C | 163 mm | 86% | 1.1 m/s | 3.1 |
| 1991 | 8.7°C | 5.1°C | 1.4°C | 15.0°C | -2.9°C | 150 mm | 89% | 1.3 m/s | 2.9 |
| 1990 | 8.3°C | 5.2°C | 2.1°C | 15.7°C | -2.0°C | 137 mm | 91% | 1.1 m/s | 2.8 |
| 1989 ❄️ | 8.6°C | 5.0°C | 1.4°C | 14.7°C | -2.6°C | 94 mm | 89% | 1 m/s | 3.1 |
| 1988 | 11.7°C | 7.0°C | 2.2°C | 17.1°C | -3.1°C | 55 mm | 84% | 1 m/s | 3.4 |
| 1987 | 11.8°C | 7.3°C | 2.9°C | 15.9°C | -1.3°C | 72 mm | 86% | 0.9 m/s | 3.1 |
| 1986 | 10.8°C | 6.4°C | 1.9°C | 14.7°C | -1.5°C | 90 mm | 83% | 1.1 m/s | 3.3 |
| 1985 | 9.8°C | 5.9°C | 1.9°C | 14.2°C | -2.2°C | 159 mm | 87% | 1 m/s | 3.1 |
| 1984 | 9.7°C | 6.1°C | 2.5°C | 15.0°C | 0.1°C | 153 mm | 89% | 1.1 m/s | 2.9 |
| 1983 | 11.1°C | 6.8°C | 2.4°C | 15.2°C | -2.1°C | 114 mm | 86% | 1 m/s | — |
| 1982 | 15.2°C | 9.4°C | 3.6°C | 20.6°C | -1.1°C | 19 mm | 64% | 0.9 m/s | — |
| 1981 | 8.7°C | 5.2°C | 1.6°C | 13.6°C | -1.6°C | 160 mm | 90% | 1.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 11.2°C with lows near 2.3°C (mean 6.8°C), based on 45 years of NASA POWER data.
August averages 83 mm of rainfall in Tumut, a relatively wet time of year. The wettest on record was 163 mm in 1992.
The hottest August reached 20.6°C in 1982. The coldest dipped to -3.7°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.7°C. Daytime highs moved from 10.9°C to 13°C and overnight lows from 2.4°C to 3.7°C over the same span.
August is one of the cooler months of the year in Tumut and a relatively wet time of year, so plan for around 11.2°C daytime highs and 2.3°C at night.
Not quite — August is the 2nd coolest month in Tumut, averaging 6.8°C.
For August in Tumut, pack warm layers and a jacket for chilly mornings, with typical highs of 11.2°C and lows of 2.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 83% — quite humid.
Average wind speed in August is 1 m/s. The windiest August on record averaged 1.3 m/s (1991).
The wettest August on record was 1992 with 163 mm. On average, August sees 83 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 Tumut 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.
