August is one of the cooler months of the year in Rockhampton, with average highs near 24.4°C and lows around 12.5°C (mean 18.5°C). It is one of the drier months, averaging 30 mm of rainfall and 67% relative humidity across the period.
August is one of the cooler months of the year in Rockhampton. Across 45 years of records, the warmest August in Rockhampton was 2009 — when the month averaged 21.4°C — while the coldest was 1990 at 16°C. Typical August days reach 24.4°C with nights near 12.5°C. The long-term trend is warming, about 0.4°C per decade.
August is one of the drier months in Rockhampton, averaging 30 mm of rainfall. The wettest August on record was 1998 with 149 mm, while the driest were 2009 and 2013 at 1 mm.
Relative humidity in Rockhampton during August averages 67%. The most humid August was 1988 at 78%, and the least humid was 2004 at 55%.
August receives about 4.8 kWh/m²/day of solar energy in Rockhampton. The sunniest August was 2013 at 5.4 kWh/m²/day, and the cloudiest was 1998 at 4.1.
Average wind speed in Rockhampton during August is 2.7 m/s. The windiest August was 1982 at 3.9 m/s, while the calmest was 2012 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.7°C | 18.3°C | 18.7°C | 18.8°C | 19.2°C | +1.5°C |
| Avg High | 23.3°C | 24.1°C | 24.8°C | 24.9°C | 25.3°C | +2°C |
| Avg Low | 12.0°C | 12.4°C | 12.6°C | 12.6°C | 13.3°C | +1.3°C |
| Avg Rain | 37 mm | 34 mm | 26 mm | 25 mm | 26 mm | -10 mm |
August temperatures in Rockhampton have risen by about 1.4°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 2.4°C (1989) to a record high of 35.1°C (2009).
Rainfall in August is one of the drier months, averaging 30 mm, with a wettest year of 149 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.5°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
A good time to visit Rockhampton
August is a good time to visit Rockhampton, with days averaging 24.4°C and nights around 12.5°C (mean 18.5°C, cooler than Rockhampton's yearly average) and low rainfall. September and May are marginally more temperate, but August still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24.8°C | 18.7°C | 12.7°C | 31.6°C | 7.7°C | 20 mm | 66% | 2.7 m/s | 4.9 |
| 2024 | 25.6°C | 20.1°C | 14.7°C | 30.3°C | 10.2°C | 85 mm | 77% | 2.4 m/s | 4.5 |
| 2023 | 26.7°C | 20.5°C | 14.4°C | 31.6°C | 9.7°C | 3 mm | 65% | 2.8 m/s | 5 |
| 2022 | 23.8°C | 18.0°C | 12.3°C | 26.8°C | 7.4°C | 8 mm | 69% | 2.5 m/s | 4.6 |
| 2021 | 25.6°C | 19.5°C | 13.4°C | 31.0°C | 7.8°C | 12 mm | 67% | 2.8 m/s | 5 |
| 2020 | 25.0°C | 18.6°C | 12.3°C | 30.3°C | 7.8°C | 31 mm | 63% | 2.7 m/s | 5.1 |
| 2019 | 25.3°C | 19.1°C | 12.8°C | 29.3°C | 7.9°C | 2 mm | 60% | 2.7 m/s | 4.9 |
| 2018 | 25.8°C | 19.0°C | 12.2°C | 29.8°C | 6.6°C | 6 mm | 57% | 2.4 m/s | 5.3 |
| 2017 | 27.1°C | 20.4°C | 13.7°C | 31.8°C | 7.8°C | 8 mm | 60% | 2.3 m/s | 5.2 |
| 2016 | 23.3°C | 18.1°C | 13.0°C | 28.7°C | 6.6°C | 12 mm | 75% | 2.9 m/s | 4.6 |
| 2015 | 25.6°C | 19.2°C | 12.9°C | 29.6°C | 6.3°C | 21 mm | 65% | 2.4 m/s | 4.9 |
| 2014 | 24.0°C | 18.3°C | 12.6°C | 27.0°C | 8.1°C | 43 mm | 69% | 3 m/s | 4.9 |
| 2013 | 26.1°C | 19.4°C | 12.6°C | 29.2°C | 7.2°C | 1 mm | 66% | 2.1 m/s | 5.4 |
| 2012 | 23.9°C | 17.6°C | 11.4°C | 28.3°C | 4.3°C | 21 mm | 69% | 2 m/s | 5 |
| 2011 | 23.9°C | 18.4°C | 12.8°C | 27.0°C | 8.3°C | 67 mm | 71% | 3 m/s | 4.5 |
| 2010 | 24.2°C | 18.1°C | 12.1°C | 29.3°C | 5.9°C | 70 mm | 66% | 2.5 m/s | 4.3 |
| 2009 🔥 | 28.2°C | 21.4°C | 14.7°C | 35.1°C | 9.8°C | 1 mm | 67% | 2.6 m/s | 5.2 |
| 2008 | 22.3°C | 16.1°C | 10.0°C | 25.7°C | 5.1°C | 4 mm | 66% | 2.5 m/s | 5.1 |
| 2007 | 24.2°C | 18.9°C | 13.6°C | 26.7°C | 7.2°C | 24 mm | 72% | 2.7 m/s | 4.4 |
| 2006 | 24.9°C | 18.7°C | 12.5°C | 30.2°C | 7.2°C | 41 mm | 69% | 2.5 m/s | 5.1 |
| 2005 | 23.6°C | 18.3°C | 13.1°C | 26.5°C | 4.5°C | 35 mm | 69% | 3.1 m/s | 4.5 |
| 2004 | 25.6°C | 18.9°C | 12.1°C | 28.9°C | 8.0°C | 10 mm | 55% | 2.6 m/s | 5.3 |
| 2003 | 25.0°C | 19.2°C | 13.4°C | 29.3°C | 3.9°C | 53 mm | 68% | 2.5 m/s | 4.6 |
| 2002 | 23.5°C | 18.0°C | 12.6°C | 27.3°C | 7.8°C | 75 mm | 71% | 2.8 m/s | 4.6 |
| 2001 | 25.4°C | 18.6°C | 11.7°C | 29.1°C | 8.0°C | 2 mm | 57% | 2.5 m/s | 5.3 |
| 2000 | 24.8°C | 18.7°C | 12.6°C | 31.3°C | 8.3°C | 19 mm | 64% | 2.8 m/s | 4.8 |
| 1999 | 23.5°C | 18.3°C | 13.1°C | 26.9°C | 7.8°C | 21 mm | 74% | 3 m/s | 4.7 |
| 1998 🌧️ | 24.6°C | 19.7°C | 14.7°C | 28.8°C | 5.1°C | 149 mm | 76% | 3 m/s | 4.1 |
| 1997 | 23.7°C | 18.1°C | 12.5°C | 26.9°C | 7.2°C | 12 mm | 67% | 2.6 m/s | 4.8 |
| 1996 | 24.5°C | 18.4°C | 12.3°C | 28.6°C | 3.5°C | 22 mm | 69% | 2.7 m/s | 4.8 |
| 1995 | 22.7°C | 17.7°C | 12.6°C | 26.0°C | 2.6°C | 68 mm | 70% | 3.5 m/s | 4.5 |
| 1994 | 23.8°C | 17.9°C | 11.9°C | 27.2°C | 6.3°C | 5 mm | 63% | 3 m/s | 4.9 |
| 1993 | 24.5°C | 18.6°C | 12.6°C | 27.2°C | 5.5°C | 31 mm | 68% | 2.7 m/s | 4.9 |
| 1992 | 24.8°C | 18.4°C | 12.1°C | 30.3°C | 5.8°C | 22 mm | 65% | 2.6 m/s | 4.9 |
| 1991 | 26.5°C | 19.8°C | 13.2°C | 32.3°C | 8.1°C | 3 mm | 58% | 2.6 m/s | 5.1 |
| 1990 ❄️ | 22.7°C | 16.0°C | 9.2°C | 28.8°C | 5.7°C | 6 mm | 66% | 2.8 m/s | 5.3 |
| 1989 | 21.8°C | 16.2°C | 10.5°C | 29.0°C | 2.4°C | 35 mm | 73% | 2.3 m/s | 5.1 |
| 1988 | 22.3°C | 17.5°C | 12.6°C | 27.4°C | 4.6°C | 106 mm | 78% | 3.2 m/s | 4.3 |
| 1987 | 24.3°C | 18.3°C | 12.4°C | 27.2°C | 7.3°C | 31 mm | 69% | 2.8 m/s | 4.8 |
| 1986 | 23.0°C | 17.5°C | 12.0°C | 27.0°C | 5.9°C | 74 mm | 70% | 2.4 m/s | 4.3 |
| 1985 | 24.2°C | 18.3°C | 12.3°C | 29.0°C | 4.6°C | 16 mm | 71% | 2.5 m/s | 4.9 |
| 1984 | 24.0°C | 17.8°C | 11.5°C | 28.1°C | 5.2°C | 5 mm | 68% | 2.5 m/s | 5 |
| 1983 | 21.7°C | 16.8°C | 11.9°C | 25.3°C | 5.6°C | 40 mm | 77% | 2.7 m/s | — |
| 1982 | 23.7°C | 18.8°C | 13.8°C | 27.0°C | 5.9°C | 10 mm | 66% | 3.9 m/s | — |
| 1981 | 25.1°C | 18.2°C | 11.3°C | 28.6°C | 7.5°C | 13 mm | 61% | 2.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 24.4°C with lows near 12.5°C (mean 18.5°C), based on 45 years of NASA POWER data.
August averages 30 mm of rainfall in Rockhampton, one of the drier months. The wettest on record was 149 mm in 1998.
The hottest August reached 35.1°C in 2009. The coldest dipped to 2.4°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.4°C. Daytime highs moved from 23.7°C to 25.3°C and overnight lows from 12.2°C to 13.5°C over the same span.
August is one of the cooler months of the year in Rockhampton and one of the drier months, so plan for around 24.4°C daytime highs and 12.5°C at night.
Not quite — August is the 3rd coolest month in Rockhampton, averaging 18.5°C.
For August in Rockhampton, pack light layers you can adjust through the day, with typical highs of 24.4°C and lows of 12.5°C.
Relative humidity in August averages 67% — moderately humid.
Average wind speed in August is 2.7 m/s. The windiest August on record averaged 3.9 m/s (1982).
The wettest August on record was 1998 with 149 mm. On average, August sees 30 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 Rockhampton 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.
