August is one of the cooler months of the year in Broken Hill, with average highs near 18.6°C and lows around 5.4°C (mean 12°C). It is about average for rainfall, averaging 13 mm of rainfall and 59% relative humidity across the period.
August is one of the cooler months of the year in Broken Hill. Across 45 years of records, the warmest August in Broken Hill was 1982 — when the month averaged 15.1°C — while the coldest was 1989 at 9.3°C. Typical August days reach 18.6°C with nights near 5.4°C. The long-term trend is warming, about 0.2°C per decade.
August is about average for rainfall in Broken Hill, averaging 13 mm of rainfall. The wettest August on record was 2004 with 45 mm, while the driest was 2019 at 0 mm.
Relative humidity in Broken Hill during August averages 59%. The most humid August was 1989 at 73%, and the least humid was 1982 at 41%.
August receives about 4.3 kWh/m²/day of solar energy in Broken Hill. The sunniest Augusts were 1994 and 2019 at 4.8 kWh/m²/day, and the cloudiest was 2015 at 3.9.
Average wind speed in Broken Hill during August is 3.1 m/s. The windiest August was 1990 at 3.8 m/s, while the calmest were 1982 and 2006 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.7°C | 11.8°C | 12.0°C | 11.9°C | 12.9°C | +1.2°C |
| Avg High | 18.2°C | 18.4°C | 18.9°C | 18.5°C | 19.5°C | +1.3°C |
| Avg Low | 5.2°C | 5.3°C | 5.2°C | 5.3°C | 6.4°C | +1.2°C |
| Avg Rain | 19 mm | 11 mm | 14 mm | 11 mm | 7 mm | -11 mm |
August temperatures in Broken Hill have risen by about 0.9°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -0.3°C (1989) to a record high of 31°C (1995).
Rainfall in August is about average for rainfall, averaging 13 mm, with a wettest year of 45 mm.
A quieter season to visit Broken Hill
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Broken Hill. That said, August — with days averaging 18.6°C and nights around 5.4°C (mean 12°C) and low rainfall (13 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 | 18.3°C | 12.0°C | 5.7°C | 26.4°C | 2.4°C | 9 mm | 63% | 3 m/s | 4.2 |
| 2024 | 21.9°C | 15.0°C | 8.2°C | 30.4°C | 1.3°C | 5 mm | 56% | 2.8 m/s | 4.3 |
| 2023 | 21.0°C | 14.0°C | 7.0°C | 27.2°C | 2.6°C | 2 mm | 57% | 2.7 m/s | 4.5 |
| 2022 | 18.6°C | 12.5°C | 6.4°C | 24.9°C | 2.6°C | 10 mm | 62% | 3.3 m/s | 4.1 |
| 2021 | 19.2°C | 12.6°C | 5.9°C | 27.0°C | 3.5°C | 8 mm | 59% | 2.8 m/s | 4.5 |
| 2020 | 17.7°C | 11.4°C | 5.1°C | 25.2°C | 0.4°C | 9 mm | 58% | 3.1 m/s | 4.1 |
| 2019 | 18.3°C | 11.2°C | 4.1°C | 24.6°C | 1.2°C | 0 mm | 54% | 3.1 m/s | 4.8 |
| 2018 | 19.7°C | 12.7°C | 5.8°C | 26.7°C | 0.7°C | 2 mm | 47% | 3.7 m/s | 4.6 |
| 2017 | 18.2°C | 11.6°C | 5.1°C | 28.8°C | 0.8°C | 7 mm | 54% | 3.2 m/s | 4.3 |
| 2016 | 18.8°C | 12.4°C | 6.1°C | 25.3°C | 2.3°C | 14 mm | 54% | 3 m/s | 4 |
| 2015 | 17.9°C | 11.7°C | 5.4°C | 24.7°C | 2.7°C | 6 mm | 65% | 2.7 m/s | 3.9 |
| 2014 | 17.9°C | 11.2°C | 4.5°C | 24.4°C | -0.3°C | 34 mm | 63% | 2.8 m/s | 4.4 |
| 2013 | 19.9°C | 13.0°C | 6.2°C | 27.0°C | 1.0°C | 7 mm | 61% | 3 m/s | 4.5 |
| 2012 | 17.7°C | 11.2°C | 4.7°C | 25.7°C | 0.5°C | 6 mm | 61% | 3.2 m/s | 4.4 |
| 2011 | 19.9°C | 13.4°C | 7.0°C | 26.3°C | 3.6°C | 14 mm | 63% | 2.9 m/s | 4.1 |
| 2010 | 16.2°C | 10.2°C | 4.2°C | 22.1°C | 0.6°C | 18 mm | 70% | 3.3 m/s | 4.2 |
| 2009 | 20.4°C | 13.6°C | 6.8°C | 27.7°C | 1.8°C | 4 mm | 55% | 3.2 m/s | 4.2 |
| 2008 | 16.1°C | 9.9°C | 3.7°C | 21.2°C | 1.1°C | 10 mm | 66% | 3 m/s | 4.3 |
| 2007 | 20.2°C | 12.8°C | 5.5°C | 28.5°C | 0.8°C | 0 mm | 56% | 2.9 m/s | 4.6 |
| 2006 | 20.1°C | 12.8°C | 5.5°C | 26.6°C | 3.0°C | 1 mm | 55% | 2.5 m/s | 4.5 |
| 2005 | 19.0°C | 12.1°C | 5.3°C | 26.3°C | 1.1°C | 8 mm | 58% | 3.2 m/s | 4.3 |
| 2004 🌧️ | 18.8°C | 12.1°C | 5.5°C | 28.2°C | 1.0°C | 45 mm | 55% | 3.1 m/s | 4.3 |
| 2003 | 17.6°C | 11.0°C | 4.4°C | 26.7°C | 0.0°C | 39 mm | 59% | 3.2 m/s | 4.1 |
| 2002 | 19.4°C | 12.1°C | 4.7°C | 25.7°C | 1.0°C | 3 mm | 46% | 3 m/s | 4.6 |
| 2001 | 19.0°C | 12.1°C | 5.2°C | 26.9°C | 1.9°C | 7 mm | 59% | 3.4 m/s | 4.2 |
| 2000 | 17.9°C | 11.8°C | 5.6°C | 23.0°C | 1.6°C | 18 mm | 61% | 3 m/s | 4.1 |
| 1999 | 19.3°C | 12.5°C | 5.7°C | 27.3°C | -0.1°C | 8 mm | 57% | 3.2 m/s | 4.4 |
| 1998 | 19.3°C | 12.8°C | 6.4°C | 25.9°C | 1.3°C | 8 mm | 61% | 2.7 m/s | 4.4 |
| 1997 | 17.7°C | 11.0°C | 4.4°C | 23.9°C | -0.1°C | 18 mm | 59% | 2.7 m/s | 4.2 |
| 1996 | 17.7°C | 11.3°C | 4.9°C | 23.1°C | 1.0°C | 22 mm | 64% | 3.1 m/s | 4.1 |
| 1995 | 21.0°C | 13.8°C | 6.6°C | 31.0°C | 0.7°C | 3 mm | 57% | 2.9 m/s | 4.6 |
| 1994 | 17.8°C | 10.8°C | 3.8°C | 25.9°C | 0.0°C | 0 mm | 54% | 2.6 m/s | 4.8 |
| 1993 | 19.5°C | 12.8°C | 6.2°C | 28.4°C | 0.4°C | 6 mm | 54% | 2.9 m/s | 4.6 |
| 1992 | 17.0°C | 10.8°C | 4.6°C | 22.9°C | 0.5°C | 32 mm | 58% | 3.4 m/s | 4.4 |
| 1991 | 18.1°C | 11.6°C | 5.1°C | 24.2°C | 1.2°C | 8 mm | 62% | 3.5 m/s | 4.3 |
| 1990 | 16.9°C | 10.9°C | 4.8°C | 21.2°C | 0.7°C | 8 mm | 67% | 3.8 m/s | 4.4 |
| 1989 ❄️ | 15.2°C | 9.3°C | 3.3°C | 20.8°C | -0.3°C | 4 mm | 73% | 2.9 m/s | 4.6 |
| 1988 | 18.9°C | 12.2°C | 5.5°C | 28.3°C | 0.7°C | 3 mm | 62% | 3.2 m/s | 4.4 |
| 1987 | 17.3°C | 11.4°C | 5.5°C | 24.0°C | 2.0°C | 34 mm | 67% | 3.2 m/s | 4.1 |
| 1986 | 17.0°C | 10.9°C | 4.7°C | 22.3°C | 1.9°C | 32 mm | 63% | 3.3 m/s | 4.3 |
| 1985 | 17.9°C | 11.5°C | 5.1°C | 25.1°C | 0.4°C | 37 mm | 62% | 3.3 m/s | 4.1 |
| 1984 | 18.2°C | 11.7°C | 5.2°C | 22.8°C | 0.7°C | 21 mm | 63% | 3.7 m/s | 4.4 |
| 1983 | 18.9°C | 12.2°C | 5.4°C | 24.7°C | 0.4°C | 30 mm | 62% | 3 m/s | — |
| 1982 🔥 | 22.9°C | 15.1°C | 7.4°C | 30.0°C | 2.3°C | 1 mm | 41% | 2.5 m/s | — |
| 1981 | 17.5°C | 11.0°C | 4.6°C | 22.4°C | 1.9°C | 6 mm | 62% | 3.6 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 18.6°C with lows near 5.4°C (mean 12°C), based on 45 years of NASA POWER data.
August averages 13 mm of rainfall in Broken Hill, about average for rainfall. The wettest on record was 45 mm in 2004.
The hottest August reached 31°C in 1995. The coldest dipped to -0.3°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.9°C. Daytime highs moved from 19.1°C to 19.8°C and overnight lows from 5.5°C to 6.6°C over the same span.
August is one of the cooler months of the year in Broken Hill and about average for rainfall, so plan for around 18.6°C daytime highs and 5.4°C at night.
Not quite — August is the 3rd coolest month in Broken Hill, averaging 12°C.
For August in Broken Hill, pack warm layers and a jacket for chilly mornings, with typical highs of 18.6°C and lows of 5.4°C.
Relative humidity in August averages 59% — moderately humid.
Average wind speed in August is 3.1 m/s. The windiest August on record averaged 3.8 m/s (1990).
The wettest August on record was 2004 with 45 mm. On average, August sees 13 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 Broken Hill 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.
