August is one of the cooler months of the year in Stawell, with average highs near 13.2°C and lows around 3.9°C (mean 8.5°C). It is a relatively wet time of year, averaging 64 mm of rainfall and 84% relative humidity across the period.
August is one of the cooler months of the year in Stawell. Across 45 years of records, the warmest August in Stawell was 2024 — when the month averaged 11.3°C — while the coldest were 1989 and 2008 at 7°C. Typical August days reach 13.2°C with nights near 3.9°C. The long-term August temperature trend is broadly flat.
August is a relatively wet time of year in Stawell, averaging 64 mm of rainfall. The wettest August on record was 1981 with 126 mm, while the driest was 1982 at 11 mm.
Relative humidity in Stawell during August averages 84%. The most humid August was 1989 at 89%, and the least humid was 1982 at 72%.
August receives about 2.9 kWh/m²/day of solar energy in Stawell. The sunniest Augusts were 1995, 2006 and 2007 at 3.2 kWh/m²/day, and the cloudiest were 2008 and 2010 at 2.6.
Average wind speed in Stawell during August is 2.4 m/s. The windiest August was 1991 at 3.2 m/s, while the calmest was 2014 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.5°C | 8.3°C | 8.6°C | 8.4°C | 9.3°C | +0.8°C |
| Avg High | 13.0°C | 13.0°C | 13.6°C | 12.9°C | 13.9°C | +0.9°C |
| Avg Low | 3.9°C | 3.6°C | 3.7°C | 3.9°C | 4.7°C | +0.8°C |
| Avg Rain | 71 mm | 66 mm | 57 mm | 65 mm | 59 mm | -12 mm |
August temperatures in Stawell have risen by about 0.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -1.3°C (2003) to a record high of 24.6°C (1982).
Rainfall in August is a relatively wet time of year, averaging 64 mm, with a wettest year of 126 mm.
A quieter season to visit Stawell
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Stawell. That said, August — with days averaging 13.2°C and nights around 3.9°C (mean 8.5°C) and moderate rainfall (64 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 | 13.7°C | 8.9°C | 4.2°C | 17.1°C | 0.9°C | 63 mm | 81% | 2.2 m/s | 3.1 |
| 2024 🔥 | 16.2°C | 11.3°C | 6.4°C | 22.2°C | 0.3°C | 43 mm | 76% | 2.5 m/s | 3 |
| 2023 | 14.1°C | 9.4°C | 4.6°C | 20.0°C | 0.7°C | 33 mm | 84% | 1.9 m/s | 2.9 |
| 2022 | 13.7°C | 9.3°C | 4.9°C | 17.9°C | 1.2°C | 96 mm | 83% | 2.5 m/s | 2.7 |
| 2021 | 13.2°C | 8.8°C | 4.4°C | 18.2°C | 0.6°C | 52 mm | 86% | 2.2 m/s | 3 |
| 2020 | 12.5°C | 8.1°C | 3.6°C | 18.5°C | -0.2°C | 68 mm | 86% | 2.4 m/s | 2.9 |
| 2019 | 12.5°C | 7.8°C | 3.1°C | 17.5°C | 0.1°C | 60 mm | 84% | 2.4 m/s | 2.9 |
| 2018 | 12.5°C | 7.9°C | 3.4°C | 16.6°C | -0.5°C | 77 mm | 82% | 2.7 m/s | 3.1 |
| 2017 | 12.3°C | 8.0°C | 3.6°C | 18.3°C | 0.6°C | 94 mm | 86% | 2.4 m/s | 2.9 |
| 2016 | 13.7°C | 9.0°C | 4.3°C | 20.1°C | 1.9°C | 28 mm | 82% | 2.3 m/s | 2.9 |
| 2015 | 12.6°C | 8.2°C | 3.8°C | 17.6°C | -0.9°C | 21 mm | 81% | 2.2 m/s | 2.8 |
| 2014 | 13.9°C | 8.7°C | 3.6°C | 20.2°C | -1.2°C | 16 mm | 83% | 1.7 m/s | 3.1 |
| 2013 | 12.8°C | 8.9°C | 5.0°C | 19.8°C | 1.3°C | 103 mm | 88% | 2.8 m/s | 2.8 |
| 2012 | 12.5°C | 8.1°C | 3.7°C | 17.8°C | 0.7°C | 74 mm | 85% | 2.7 m/s | 2.8 |
| 2011 | 14.5°C | 9.9°C | 5.2°C | 20.7°C | 0.8°C | 56 mm | 84% | 1.9 m/s | 2.8 |
| 2010 | 11.3°C | 7.3°C | 3.4°C | 15.7°C | 0.2°C | 123 mm | 88% | 2.8 m/s | 2.6 |
| 2009 | 14.1°C | 9.4°C | 4.7°C | 19.9°C | -0.2°C | 61 mm | 82% | 2.9 m/s | 2.9 |
| 2008 | 11.2°C | 7.0°C | 2.8°C | 16.1°C | -0.6°C | 57 mm | 87% | 2.2 m/s | 2.6 |
| 2007 | 14.3°C | 9.3°C | 4.3°C | 21.7°C | 0.4°C | 29 mm | 82% | 2.3 m/s | 3.2 |
| 2006 | 15.2°C | 9.5°C | 3.8°C | 21.5°C | 1.5°C | 28 mm | 76% | 1.8 m/s | 3.2 |
| 2005 | 14.3°C | 9.0°C | 3.7°C | 22.1°C | -0.2°C | 69 mm | 79% | 2.6 m/s | 2.9 |
| 2004 | 13.1°C | 8.5°C | 3.9°C | 20.0°C | 0.1°C | 67 mm | 83% | 2.2 m/s | 2.7 |
| 2003 | 12.1°C | 7.4°C | 2.6°C | 17.0°C | -1.3°C | 93 mm | 83% | 2.6 m/s | 2.9 |
| 2002 | 13.9°C | 8.6°C | 3.4°C | 18.9°C | -0.2°C | 33 mm | 79% | 2.1 m/s | 2.9 |
| 2001 | 13.9°C | 9.0°C | 4.2°C | 19.3°C | 1.0°C | 92 mm | 79% | 2.8 m/s | 2.7 |
| 2000 | 13.4°C | 8.6°C | 3.8°C | 17.9°C | 0.8°C | 40 mm | 82% | 1.9 m/s | 2.9 |
| 1999 | 14.6°C | 9.5°C | 4.4°C | 22.2°C | 1.4°C | 66 mm | 83% | 2.2 m/s | 2.9 |
| 1998 | 14.4°C | 9.3°C | 4.2°C | 18.5°C | 1.0°C | 28 mm | 82% | 1.9 m/s | 3.1 |
| 1997 | 13.1°C | 8.3°C | 3.5°C | 18.0°C | 0.0°C | 59 mm | 81% | 2.4 m/s | 2.8 |
| 1996 | 12.2°C | 8.1°C | 4.0°C | 16.2°C | 0.2°C | 72 mm | 88% | 2.5 m/s | 2.7 |
| 1995 | 13.5°C | 8.5°C | 3.5°C | 20.6°C | -0.2°C | 37 mm | 86% | 2.3 m/s | 3.2 |
| 1994 | 12.2°C | 7.1°C | 2.1°C | 20.2°C | -0.7°C | 26 mm | 83% | 2.1 m/s | 3.1 |
| 1993 | 14.7°C | 9.5°C | 4.2°C | 19.5°C | -0.5°C | 74 mm | 80% | 2.4 m/s | 3 |
| 1992 | 11.6°C | 7.1°C | 2.7°C | 17.0°C | -0.5°C | 107 mm | 86% | 2.6 m/s | 2.9 |
| 1991 | 11.9°C | 7.7°C | 3.6°C | 15.7°C | 0.3°C | 107 mm | 87% | 3.2 m/s | 2.8 |
| 1990 | 11.6°C | 7.7°C | 3.7°C | 15.5°C | -1.0°C | 83 mm | 88% | 2.8 m/s | 2.8 |
| 1989 ❄️ | 11.1°C | 7.0°C | 2.8°C | 14.2°C | -0.3°C | 74 mm | 89% | 2.3 m/s | 2.8 |
| 1988 | 12.9°C | 8.6°C | 4.3°C | 19.3°C | 0.8°C | 47 mm | 86% | 2.4 m/s | 2.8 |
| 1987 | 12.8°C | 8.3°C | 3.7°C | 17.1°C | -0.2°C | 42 mm | 87% | 2.1 m/s | 2.9 |
| 1986 | 12.8°C | 8.3°C | 3.8°C | 18.2°C | -0.7°C | 56 mm | 85% | 2.3 m/s | 3.1 |
| 1985 | 12.5°C | 8.1°C | 3.7°C | 17.4°C | -0.7°C | 97 mm | 84% | 2.4 m/s | 2.8 |
| 1984 | 12.6°C | 8.7°C | 4.8°C | 17.5°C | 3.0°C | 101 mm | 86% | 2.8 m/s | 2.8 |
| 1983 | 13.3°C | 9.1°C | 4.8°C | 17.0°C | -0.8°C | 83 mm | 86% | 2.4 m/s | — |
| 1982 | 17.0°C | 10.5°C | 3.9°C | 24.6°C | 0.7°C | 11 mm | 72% | 1.8 m/s | — |
| 1981 🌧️ | 11.7°C | 7.7°C | 3.6°C | 15.2°C | -0.1°C | 126 mm | 87% | 2.7 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 13.2°C with lows near 3.9°C (mean 8.5°C), based on 45 years of NASA POWER data.
August averages 64 mm of rainfall in Stawell, a relatively wet time of year. The wettest on record was 126 mm in 1981.
The hottest August reached 24.6°C in 1982. The coldest dipped to -1.3°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.7°C. Daytime highs moved from 13.4°C to 14.2°C and overnight lows from 4.2°C to 4.9°C over the same span.
August is one of the cooler months of the year in Stawell and a relatively wet time of year, so plan for around 13.2°C daytime highs and 3.9°C at night.
Not quite — August is the 2nd coolest month in Stawell, averaging 8.5°C.
For August in Stawell, pack warm layers and a jacket for chilly mornings, with typical highs of 13.2°C and lows of 3.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 84% — quite humid.
Average wind speed in August is 2.4 m/s. The windiest August on record averaged 3.2 m/s (1991).
The wettest August on record was 1981 with 126 mm. On average, August sees 64 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 Stawell 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.
