August is one of the cooler months of the year in Toowoomba, with average highs near 20.5°C and lows around 6.6°C (mean 13.6°C). It is one of the drier months, averaging 26 mm of rainfall and 66% relative humidity across the period.
August is one of the cooler months of the year in Toowoomba. Across 45 years of records, the warmest August in Toowoomba was 2024 — when the month averaged 17.4°C — while the coldest was 1990 at 10.8°C. Typical August days reach 20.5°C with nights near 6.6°C. The long-term trend is warming, about 0.6°C per decade.
August is one of the drier months in Toowoomba, averaging 26 mm of rainfall. The wettest August on record was 2010 with 85 mm, while the driest was 1991 at 0 mm.
Relative humidity in Toowoomba during August averages 66%. The most humid August was 1983 at 83%, and the least humid was 2018 at 48%.
August receives about 4.6 kWh/m²/day of solar energy in Toowoomba. The sunniest Augusts were 2017 and 2018 at 5.1 kWh/m²/day, and the cloudiest were 1998 and 2007 at 4.1.
Average wind speed in Toowoomba during August is 2.2 m/s. The windiest August was 1990 at 2.8 m/s, while the calmest was 2006 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.3°C | 13.2°C | 13.8°C | 13.9°C | 14.9°C | +2.6°C |
| Avg High | 18.8°C | 20.1°C | 21.1°C | 21.1°C | 21.8°C | +3°C |
| Avg Low | 5.8°C | 6.3°C | 6.5°C | 6.7°C | 8.0°C | +2.2°C |
| Avg Rain | 37 mm | 23 mm | 26 mm | 28 mm | 17 mm | -20 mm |
August temperatures in Toowoomba have risen by about 2.8°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -1.9°C (2008) to a record high of 33.2°C (2009).
Rainfall in August is one of the drier months, averaging 26 mm, with a wettest year of 85 mm.
A quieter season to visit Toowoomba
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Toowoomba. That said, August — with days averaging 20.5°C and nights around 6.6°C (mean 13.6°C) and low rainfall (26 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 | 19.7°C | 13.6°C | 7.5°C | 26.5°C | 1.7°C | 16 mm | 72% | 2.2 m/s | 4.5 |
| 2024 🔥 | 24.3°C | 17.4°C | 10.4°C | 32.6°C | 3.4°C | 35 mm | 69% | 2.1 m/s | 4.4 |
| 2023 | 23.8°C | 16.6°C | 9.3°C | 28.3°C | 4.8°C | 4 mm | 61% | 2 m/s | 4.6 |
| 2022 | 19.6°C | 13.1°C | 6.6°C | 23.5°C | 1.2°C | 20 mm | 73% | 2 m/s | 4.3 |
| 2021 | 22.1°C | 14.6°C | 7.2°C | 26.6°C | 1.2°C | 6 mm | 66% | 2.1 m/s | 4.7 |
| 2020 | 21.0°C | 13.9°C | 6.7°C | 27.4°C | 1.6°C | 21 mm | 64% | 2.4 m/s | 4.8 |
| 2019 | 22.2°C | 14.9°C | 7.5°C | 26.6°C | 2.6°C | 5 mm | 55% | 2 m/s | 4.6 |
| 2018 | 22.2°C | 14.1°C | 6.1°C | 26.6°C | 0.4°C | 5 mm | 48% | 2.3 m/s | 5.1 |
| 2017 | 23.0°C | 14.9°C | 6.7°C | 29.4°C | 1.9°C | 3 mm | 50% | 2.1 m/s | 5.1 |
| 2016 | 20.8°C | 14.0°C | 7.3°C | 25.0°C | 2.2°C | 36 mm | 71% | 2.1 m/s | 4.3 |
| 2015 | 21.5°C | 14.1°C | 6.6°C | 27.0°C | 0.1°C | 33 mm | 65% | 2.1 m/s | 4.7 |
| 2014 | 19.9°C | 13.7°C | 7.6°C | 24.3°C | 2.7°C | 50 mm | 71% | 2.4 m/s | 4.2 |
| 2013 | 22.3°C | 14.6°C | 6.8°C | 28.5°C | 0.1°C | 4 mm | 60% | 2 m/s | 5 |
| 2012 | 20.2°C | 12.9°C | 5.5°C | 26.0°C | 0.8°C | 6 mm | 62% | 2.1 m/s | 5 |
| 2011 | 20.1°C | 13.8°C | 7.5°C | 24.5°C | 2.6°C | 52 mm | 73% | 2.1 m/s | 4.3 |
| 2010 🌧️ | 18.6°C | 12.1°C | 5.6°C | 25.9°C | 1.2°C | 85 mm | 72% | 2.5 m/s | 4.2 |
| 2009 | 24.5°C | 16.6°C | 8.7°C | 33.2°C | 4.0°C | 9 mm | 58% | 2 m/s | 5 |
| 2008 | 18.9°C | 11.6°C | 4.3°C | 25.5°C | -1.9°C | 20 mm | 65% | 2.3 m/s | 4.6 |
| 2007 | 20.6°C | 14.3°C | 8.0°C | 25.6°C | 1.2°C | 79 mm | 71% | 2.4 m/s | 4.1 |
| 2006 | 22.2°C | 14.5°C | 6.7°C | 28.1°C | 3.1°C | 25 mm | 59% | 1.9 m/s | 4.8 |
| 2005 | 20.5°C | 13.2°C | 5.9°C | 25.1°C | -0.2°C | 8 mm | 68% | 2.1 m/s | 4.8 |
| 2004 | 21.4°C | 13.7°C | 6.0°C | 28.3°C | 1.3°C | 27 mm | 56% | 2.3 m/s | 4.9 |
| 2003 | 20.9°C | 13.9°C | 6.9°C | 27.2°C | -1.8°C | 17 mm | 69% | 2.2 m/s | 4.3 |
| 2002 | 20.7°C | 13.8°C | 6.9°C | 26.3°C | 0.8°C | 55 mm | 65% | 2.2 m/s | 4.4 |
| 2001 | 20.4°C | 12.7°C | 5.1°C | 23.4°C | 1.1°C | 11 mm | 62% | 2.4 m/s | 4.9 |
| 2000 | 20.5°C | 13.5°C | 6.5°C | 25.8°C | 0.8°C | 5 mm | 61% | 2.4 m/s | 4.5 |
| 1999 | 19.2°C | 13.3°C | 7.4°C | 23.7°C | 2.4°C | 33 mm | 77% | 2.2 m/s | 4.5 |
| 1998 | 19.5°C | 14.2°C | 9.0°C | 23.1°C | 0.3°C | 69 mm | 81% | 2.4 m/s | 4.1 |
| 1997 | 20.9°C | 13.5°C | 6.2°C | 25.4°C | 1.0°C | 4 mm | 62% | 2 m/s | 4.9 |
| 1996 | 19.6°C | 12.9°C | 6.3°C | 26.4°C | 0.0°C | 45 mm | 71% | 2.2 m/s | 4.3 |
| 1995 | 21.2°C | 13.9°C | 6.6°C | 31.1°C | -1.8°C | 8 mm | 66% | 2.1 m/s | 4.6 |
| 1994 | 20.4°C | 13.0°C | 5.6°C | 24.8°C | -0.5°C | 3 mm | 61% | 2 m/s | 4.8 |
| 1993 | 21.0°C | 13.9°C | 6.7°C | 25.2°C | 1.7°C | 15 mm | 69% | 2.1 m/s | 4.6 |
| 1992 | 20.5°C | 13.1°C | 5.6°C | 26.0°C | 1.4°C | 28 mm | 62% | 2.5 m/s | 4.6 |
| 1991 | 21.7°C | 13.6°C | 5.6°C | 26.6°C | 0.9°C | 0 mm | 55% | 2.4 m/s | 4.8 |
| 1990 ❄️ | 17.3°C | 10.8°C | 4.3°C | 21.8°C | 0.5°C | 19 mm | 69% | 2.8 m/s | 4.6 |
| 1989 | 17.7°C | 11.0°C | 4.3°C | 24.0°C | -0.5°C | 27 mm | 71% | 2.2 m/s | 4.8 |
| 1988 | 18.3°C | 12.6°C | 6.8°C | 24.3°C | -0.9°C | 54 mm | 81% | 2.3 m/s | 4.3 |
| 1987 | 20.1°C | 13.8°C | 7.6°C | 24.0°C | 2.1°C | 49 mm | 74% | 2.3 m/s | 4.3 |
| 1986 | 18.6°C | 12.2°C | 5.7°C | 22.0°C | 1.6°C | 41 mm | 69% | 2.1 m/s | 4.3 |
| 1985 | 19.5°C | 12.7°C | 5.9°C | 26.0°C | -1.6°C | 51 mm | 72% | 2.1 m/s | 4.4 |
| 1984 | 18.1°C | 11.4°C | 4.8°C | 23.1°C | -0.1°C | 34 mm | 73% | 2.3 m/s | 4.8 |
| 1983 | 17.0°C | 11.6°C | 6.2°C | 19.5°C | 0.7°C | 38 mm | 83% | 2.1 m/s | — |
| 1982 | 21.1°C | 14.1°C | 7.1°C | 26.4°C | 0.1°C | 11 mm | 67% | 2 m/s | — |
| 1981 | 18.9°C | 11.5°C | 4.1°C | 23.6°C | 0.5°C | 25 mm | 64% | 2.5 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 20.5°C with lows near 6.6°C (mean 13.6°C), based on 45 years of NASA POWER data.
August averages 26 mm of rainfall in Toowoomba, one of the drier months. The wettest on record was 85 mm in 2010.
The hottest August reached 33.2°C in 2009. The coldest dipped to -1.9°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.8°C. Daytime highs moved from 18.9°C to 21.9°C and overnight lows from 5.6°C to 8.2°C over the same span.
August is one of the cooler months of the year in Toowoomba and one of the drier months, so plan for around 20.5°C daytime highs and 6.6°C at night.
Not quite — August is the 3rd coolest month in Toowoomba, averaging 13.6°C.
For August in Toowoomba, pack warm layers and a jacket for chilly mornings, with typical highs of 20.5°C and lows of 6.6°C.
Relative humidity in August averages 66% — moderately humid.
Average wind speed in August is 2.2 m/s. The windiest August on record averaged 2.8 m/s (1990).
The wettest August on record was 2010 with 85 mm. On average, August sees 26 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 Toowoomba 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.