August is one of the cooler months of the year in Roebourne, with average highs near 30.1°C and lows around 14.8°C (mean 22.5°C). It is one of the drier months, averaging 4 mm of rainfall and 42% relative humidity across the period.
August is one of the cooler months of the year in Roebourne. Across 45 years of records, the warmest August in Roebourne was 2023 — when the month averaged 24.8°C — while the coldest was 1986 at 20°C. Typical August days reach 30.1°C with nights near 14.8°C. The long-term trend is warming, about 0.2°C per decade.
August is one of the drier months in Roebourne, averaging 4 mm of rainfall. The wettest August on record was 1997 with 34 mm, while the driest were 2014, 2015 and 2018, among others at 0 mm.
Relative humidity in Roebourne during August averages 42%. The most humid August was 1998 at 52%, and the least humid was 2008 at 30%.
August receives about 5.5 kWh/m²/day of solar energy in Roebourne. The sunniest Augusts were 2000 and 2018 at 5.8 kWh/m²/day, and the cloudiest was 1992 at 4.8.
Average wind speed in Roebourne during August is 3.4 m/s. The windiest August was 2008 at 4.1 m/s, while the calmest were 1998 and 2012 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.2°C | 22.4°C | 22.2°C | 22.5°C | 23.5°C | +1.3°C |
| Avg High | 29.9°C | 29.9°C | 30.0°C | 30.2°C | 30.9°C | +1°C |
| Avg Low | 14.5°C | 15.0°C | 14.3°C | 14.8°C | 16.0°C | +1.5°C |
| Avg Rain | 2 mm | 9 mm | 1 mm | 1 mm | 7 mm | +5 mm |
August temperatures in Roebourne have risen by about 0.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 6.5°C (1986) to a record high of 38.7°C (2024).
Rainfall in August is one of the drier months, averaging 4 mm, with a wettest year of 34 mm.
One of the best times to visit Roebourne
August is one of the best times to visit Roebourne. Expect days averaging 30.1°C and nights around 14.8°C (mean 22.5°C) — cooler than Roebourne's yearly average — with low rainfall (4 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 | 29.6°C | 22.7°C | 15.7°C | 33.5°C | 10.6°C | 13 mm | 43% | 3.5 m/s | 5.2 |
| 2024 | 31.4°C | 23.8°C | 16.1°C | 38.7°C | 10.7°C | 23 mm | 46% | 3 m/s | 5.4 |
| 2023 🔥 | 32.2°C | 24.8°C | 17.4°C | 36.3°C | 13.7°C | 2 mm | 38% | 3.2 m/s | 5.4 |
| 2022 | 30.1°C | 22.8°C | 15.5°C | 33.4°C | 11.6°C | 2 mm | 40% | 3.6 m/s | 5.4 |
| 2021 | 31.0°C | 23.5°C | 16.0°C | 34.2°C | 11.9°C | 0 mm | 35% | 3.5 m/s | 5.5 |
| 2020 | 31.1°C | 23.3°C | 15.5°C | 38.4°C | 11.5°C | 2 mm | 41% | 3.3 m/s | 5.7 |
| 2019 | 30.2°C | 22.6°C | 14.9°C | 33.8°C | 12.3°C | 0 mm | 36% | 3.7 m/s | 5.5 |
| 2018 | 28.5°C | 20.6°C | 12.7°C | 32.4°C | 9.2°C | 0 mm | 37% | 3.9 m/s | 5.8 |
| 2017 | 31.3°C | 23.5°C | 15.8°C | 37.3°C | 9.5°C | 1 mm | 45% | 3.1 m/s | 5.6 |
| 2016 | 28.6°C | 21.5°C | 14.4°C | 32.1°C | 9.7°C | 3 mm | 50% | 3.3 m/s | 5.3 |
| 2015 | 30.7°C | 23.1°C | 15.6°C | 35.2°C | 12.3°C | 0 mm | 41% | 3.6 m/s | 5.4 |
| 2014 | 30.4°C | 22.5°C | 14.6°C | 33.7°C | 10.6°C | 0 mm | 32% | 3.7 m/s | 5.6 |
| 2013 | 30.1°C | 21.9°C | 13.7°C | 32.2°C | 11.5°C | 0 mm | 46% | 3.1 m/s | 5.6 |
| 2012 | 32.0°C | 23.8°C | 15.6°C | 36.0°C | 11.2°C | 0 mm | 43% | 2.9 m/s | 5.7 |
| 2011 | 31.0°C | 23.2°C | 15.3°C | 34.2°C | 12.8°C | 2 mm | 42% | 3 m/s | 5.6 |
| 2010 | 29.6°C | 22.5°C | 15.5°C | 35.0°C | 10.3°C | 3 mm | 41% | 3.6 m/s | 5.3 |
| 2009 | 30.2°C | 22.4°C | 14.5°C | 34.4°C | 11.5°C | 0 mm | 45% | 3.5 m/s | 5.6 |
| 2008 | 29.7°C | 22.2°C | 14.6°C | 33.1°C | 10.7°C | 0 mm | 30% | 4.1 m/s | 5.4 |
| 2007 | 30.4°C | 22.3°C | 14.2°C | 35.7°C | 11.3°C | 0 mm | 35% | 3.6 m/s | 5.7 |
| 2006 | 31.9°C | 23.7°C | 15.4°C | 34.2°C | 11.4°C | 0 mm | 40% | 3 m/s | 5.7 |
| 2005 | 28.5°C | 20.9°C | 13.4°C | 31.4°C | 10.7°C | 2 mm | 49% | 3.3 m/s | 5.4 |
| 2004 | 28.8°C | 21.1°C | 13.4°C | 31.4°C | 9.9°C | 0 mm | 34% | 3.9 m/s | 5.7 |
| 2003 | 28.6°C | 21.3°C | 13.9°C | 33.5°C | 10.2°C | 7 mm | 43% | 3.6 m/s | 5.4 |
| 2002 | 30.9°C | 22.9°C | 14.8°C | 33.1°C | 11.4°C | 0 mm | 41% | 3.5 m/s | 5.7 |
| 2001 | 31.1°C | 23.2°C | 15.4°C | 33.1°C | 12.8°C | 0 mm | 42% | 3.1 m/s | 5.7 |
| 2000 | 29.5°C | 21.7°C | 13.8°C | 33.4°C | 10.8°C | 1 mm | 36% | 3.5 m/s | 5.8 |
| 1999 | 31.0°C | 23.7°C | 16.5°C | 35.0°C | 13.6°C | 1 mm | 41% | 3.4 m/s | 5.5 |
| 1998 | 30.6°C | 22.6°C | 14.7°C | 35.1°C | 11.8°C | 13 mm | 52% | 2.9 m/s | 5.6 |
| 1997 🌧️ | 28.6°C | 21.7°C | 14.7°C | 33.0°C | 8.7°C | 34 mm | 47% | 3.3 m/s | 5.2 |
| 1996 | 30.1°C | 22.7°C | 15.4°C | 34.3°C | 10.9°C | 2 mm | 44% | 3.4 m/s | 5.4 |
| 1995 | 30.8°C | 22.7°C | 14.7°C | 35.0°C | 10.0°C | 0 mm | 35% | 3.9 m/s | 5.7 |
| 1994 | 31.1°C | 23.1°C | 15.1°C | 34.7°C | 10.6°C | 0 mm | 37% | 3.5 m/s | 5.7 |
| 1993 | 28.4°C | 21.1°C | 13.7°C | 32.5°C | 9.1°C | 16 mm | 44% | 3.8 m/s | 5.4 |
| 1992 | 27.8°C | 21.0°C | 14.2°C | 31.4°C | 9.7°C | 16 mm | 50% | 3.7 m/s | 4.8 |
| 1991 | 30.5°C | 22.6°C | 14.6°C | 33.1°C | 11.2°C | 0 mm | 42% | 3.5 m/s | 5.7 |
| 1990 | 29.8°C | 23.0°C | 16.1°C | 34.1°C | 12.7°C | 7 mm | 52% | 3.2 m/s | 5.4 |
| 1989 | 28.7°C | 20.9°C | 13.1°C | 32.5°C | 10.3°C | 0 mm | 46% | 3 m/s | 5.6 |
| 1988 | 30.2°C | 22.7°C | 15.2°C | 35.2°C | 11.0°C | 12 mm | 43% | 3.6 m/s | 5.2 |
| 1987 | 29.8°C | 22.0°C | 14.2°C | 32.5°C | 11.5°C | 0 mm | 37% | 3.8 m/s | 5.7 |
| 1986 ❄️ | 27.9°C | 20.0°C | 12.2°C | 33.3°C | 6.5°C | 0 mm | 38% | 3.7 m/s | 5.6 |
| 1985 | 30.3°C | 22.5°C | 14.8°C | 35.1°C | 11.5°C | 0 mm | 43% | 3.3 m/s | 5.7 |
| 1984 | 29.6°C | 21.6°C | 13.7°C | 34.7°C | 6.9°C | 6 mm | 42% | 3.1 m/s | 5.3 |
| 1983 | 30.6°C | 22.9°C | 15.3°C | 34.4°C | 12.2°C | 0 mm | 43% | 3.5 m/s | — |
| 1982 | 31.5°C | 23.8°C | 16.0°C | 34.6°C | 12.6°C | 2 mm | 44% | 3 m/s | — |
| 1981 | 30.5°C | 23.1°C | 15.7°C | 32.8°C | 12.2°C | 0 mm | 46% | 3.5 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 30.1°C with lows near 14.8°C (mean 22.5°C), based on 45 years of NASA POWER data.
August averages 4 mm of rainfall in Roebourne, one of the drier months. The wettest on record was 34 mm in 1997.
The hottest August reached 38.7°C in 2024. The coldest dipped to 6.5°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.7°C. Daytime highs moved from 30.5°C to 30.9°C and overnight lows from 15.1°C to 16.1°C over the same span.
August is one of the cooler months of the year in Roebourne and one of the drier months, so plan for around 30.1°C daytime highs and 14.8°C at night.
Not quite — August is the 3rd coolest month in Roebourne, averaging 22.5°C.
For August in Roebourne, pack light, breathable clothing and sun protection, with typical highs of 30.1°C and lows of 14.8°C.
Relative humidity in August averages 42% — relatively dry.
Average wind speed in August is 3.4 m/s. The windiest August on record averaged 4.1 m/s (2008).
The wettest August on record was 1997 with 34 mm. On average, August sees 4 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 Roebourne 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.
