August is one of the cooler months of the year in Mildura, with average highs near 18.3°C and lows around 5.6°C (mean 12°C). It is about average for rainfall, averaging 22 mm of rainfall and 65% relative humidity across the period.
August is one of the cooler months of the year in Mildura. Across 45 years of records, the warmest August in Mildura was 2024 — when the month averaged 14.8°C — while the coldest was 1989 at 9.6°C. Typical August days reach 18.3°C with nights near 5.6°C. The long-term trend is warming, about 0.2°C per decade.
August is about average for rainfall in Mildura, averaging 22 mm of rainfall. The wettest August on record was 1985 with 55 mm, while the driest was 2007 at 1 mm.
Relative humidity in Mildura during August averages 65%. The most humid August was 1989 at 77%, and the least humid was 1982 at 49%.
August receives about 3.6 kWh/m²/day of solar energy in Mildura. The sunniest Augusts were 2006 and 2014 at 4.1 kWh/m²/day, and the cloudiest were 2010 and 2015 at 3.2.
Average wind speed in Mildura during August is 2.9 m/s. The windiest August was 1991 at 3.7 m/s, while the calmest were 1982, 1998 and 2006 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.7°C | 11.6°C | 12.0°C | 11.8°C | 12.7°C | +1°C |
| Avg High | 17.9°C | 18.0°C | 18.6°C | 18.0°C | 19.0°C | +1.1°C |
| Avg Low | 5.5°C | 5.3°C | 5.3°C | 5.6°C | 6.4°C | +0.9°C |
| Avg Rain | 32 mm | 24 mm | 21 mm | 18 mm | 17 mm | -15 mm |
August temperatures in Mildura have risen by about 0.9°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 0.1°C (2020) to a record high of 29.2°C (1982).
Rainfall in August is about average for rainfall, averaging 22 mm, with a wettest year of 55 mm.
A quieter season to visit Mildura
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Mildura. That said, August — with days averaging 18.3°C and nights around 5.6°C (mean 12°C) and low rainfall (22 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 | 18.5°C | 12.2°C | 6.0°C | 25.5°C | 2.4°C | 15 mm | 64% | 2.8 m/s | 3.6 |
| 2024 🔥 | 21.6°C | 14.8°C | 7.9°C | 28.1°C | 2.0°C | 5 mm | 59% | 2.9 m/s | 3.7 |
| 2023 | 19.6°C | 12.9°C | 6.2°C | 26.7°C | 2.0°C | 12 mm | 65% | 2.4 m/s | 3.5 |
| 2022 | 18.3°C | 12.6°C | 6.9°C | 25.3°C | 2.7°C | 34 mm | 66% | 3.1 m/s | 3.3 |
| 2021 | 19.0°C | 12.7°C | 6.4°C | 26.9°C | 3.0°C | 8 mm | 62% | 2.6 m/s | 3.6 |
| 2020 | 17.0°C | 11.1°C | 5.2°C | 24.6°C | 0.1°C | 28 mm | 66% | 2.8 m/s | 3.6 |
| 2019 | 17.9°C | 11.3°C | 4.7°C | 24.1°C | 1.6°C | 4 mm | 61% | 3.1 m/s | 3.7 |
| 2018 | 18.7°C | 12.1°C | 5.6°C | 24.0°C | 1.0°C | 11 mm | 56% | 3.5 m/s | 3.7 |
| 2017 | 17.6°C | 11.4°C | 5.3°C | 25.6°C | 1.0°C | 28 mm | 63% | 3 m/s | 3.6 |
| 2016 | 18.8°C | 12.4°C | 6.0°C | 25.2°C | 2.2°C | 17 mm | 61% | 2.8 m/s | 3.6 |
| 2015 | 17.0°C | 11.4°C | 5.8°C | 23.2°C | 1.7°C | 6 mm | 68% | 2.6 m/s | 3.2 |
| 2014 | 18.2°C | 11.5°C | 4.8°C | 25.4°C | 0.2°C | 22 mm | 66% | 2.4 m/s | 4.1 |
| 2013 | 19.1°C | 12.8°C | 6.5°C | 26.6°C | 2.3°C | 16 mm | 68% | 3 m/s | 3.5 |
| 2012 | 17.7°C | 11.7°C | 5.6°C | 23.1°C | 2.2°C | 15 mm | 65% | 3.3 m/s | 3.5 |
| 2011 | 19.4°C | 13.3°C | 7.2°C | 27.1°C | 3.3°C | 27 mm | 68% | 2.6 m/s | 3.5 |
| 2010 | 15.9°C | 10.3°C | 4.8°C | 22.1°C | 1.1°C | 35 mm | 73% | 3.4 m/s | 3.2 |
| 2009 | 19.9°C | 13.4°C | 6.8°C | 26.5°C | 1.9°C | 5 mm | 60% | 3.2 m/s | 3.6 |
| 2008 | 16.0°C | 10.2°C | 4.3°C | 21.2°C | 1.3°C | 31 mm | 70% | 2.9 m/s | 3.4 |
| 2007 | 20.1°C | 13.0°C | 5.9°C | 29.2°C | 0.8°C | 1 mm | 60% | 2.9 m/s | 4 |
| 2006 | 19.8°C | 12.6°C | 5.4°C | 26.1°C | 2.1°C | 5 mm | 60% | 2.3 m/s | 4.1 |
| 2005 | 19.1°C | 12.3°C | 5.4°C | 27.0°C | 1.8°C | 26 mm | 63% | 3.1 m/s | 3.7 |
| 2004 | 18.8°C | 12.2°C | 5.5°C | 28.5°C | 0.9°C | 28 mm | 61% | 2.8 m/s | 3.7 |
| 2003 | 17.0°C | 10.7°C | 4.4°C | 23.8°C | 0.3°C | 43 mm | 65% | 3.1 m/s | 3.4 |
| 2002 | 19.0°C | 11.9°C | 4.8°C | 25.6°C | 1.3°C | 12 mm | 57% | 2.8 m/s | 3.9 |
| 2001 | 19.0°C | 12.3°C | 5.6°C | 26.8°C | 2.7°C | 23 mm | 61% | 3.4 m/s | 3.5 |
| 2000 | 17.3°C | 11.0°C | 4.8°C | 21.8°C | 0.5°C | 34 mm | 68% | 2.4 m/s | 3.4 |
| 1999 | 19.0°C | 12.3°C | 5.5°C | 27.7°C | 0.9°C | 38 mm | 65% | 2.8 m/s | 3.7 |
| 1998 | 19.2°C | 12.6°C | 6.0°C | 25.1°C | 3.1°C | 7 mm | 63% | 2.3 m/s | 3.7 |
| 1997 | 17.3°C | 10.9°C | 4.5°C | 24.1°C | 0.9°C | 38 mm | 65% | 2.6 m/s | 3.5 |
| 1996 | 17.3°C | 11.4°C | 5.6°C | 23.9°C | 2.0°C | 30 mm | 69% | 2.9 m/s | 3.5 |
| 1995 | 19.9°C | 12.9°C | 5.9°C | 28.6°C | 1.6°C | 11 mm | 62% | 2.8 m/s | 3.9 |
| 1994 | 17.5°C | 10.7°C | 4.0°C | 25.7°C | 0.5°C | 2 mm | 61% | 2.5 m/s | 3.8 |
| 1993 | 19.7°C | 12.9°C | 6.2°C | 26.9°C | 0.9°C | 9 mm | 58% | 2.9 m/s | 3.8 |
| 1992 | 16.5°C | 10.6°C | 4.7°C | 23.1°C | 0.9°C | 53 mm | 65% | 3.2 m/s | 3.6 |
| 1991 | 17.4°C | 11.5°C | 5.5°C | 22.9°C | 1.2°C | 14 mm | 67% | 3.7 m/s | 3.4 |
| 1990 | 16.1°C | 10.6°C | 5.1°C | 19.3°C | 1.4°C | 33 mm | 74% | 3.5 m/s | 3.5 |
| 1989 ❄️ | 15.0°C | 9.6°C | 4.3°C | 19.8°C | 0.5°C | 21 mm | 77% | 3 m/s | 3.5 |
| 1988 | 18.6°C | 12.3°C | 5.9°C | 27.5°C | 1.5°C | 8 mm | 66% | 3.2 m/s | 3.6 |
| 1987 | 17.4°C | 11.7°C | 5.9°C | 24.3°C | 3.4°C | 49 mm | 71% | 3.1 m/s | 3.4 |
| 1986 | 17.3°C | 11.2°C | 5.1°C | 23.0°C | 2.4°C | 39 mm | 68% | 2.9 m/s | 3.5 |
| 1985 🌧️ | 17.5°C | 11.4°C | 5.3°C | 23.6°C | 1.1°C | 55 mm | 67% | 3.1 m/s | 3.4 |
| 1984 | 17.7°C | 11.7°C | 5.8°C | 23.2°C | 2.5°C | 52 mm | 69% | 3.5 m/s | 3.5 |
| 1983 | 18.8°C | 12.4°C | 6.0°C | 24.1°C | 0.7°C | 36 mm | 67% | 2.8 m/s | — |
| 1982 | 22.3°C | 14.4°C | 6.5°C | 29.2°C | 2.2°C | 2 mm | 49% | 2.3 m/s | — |
| 1981 | 16.8°C | 10.8°C | 4.9°C | 22.6°C | 1.0°C | 25 mm | 69% | 3.5 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 18.3°C with lows near 5.6°C (mean 12°C), based on 45 years of NASA POWER data.
August averages 22 mm of rainfall in Mildura, about average for rainfall. The wettest on record was 55 mm in 1985.
The hottest August reached 29.2°C in 1982. The coldest dipped to 0.1°C in 2020.
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 18.6°C to 19.4°C and overnight lows from 5.7°C to 6.7°C over the same span.
August is one of the cooler months of the year in Mildura and about average for rainfall, so plan for around 18.3°C daytime highs and 5.6°C at night.
Not quite — August is the 3rd coolest month in Mildura, averaging 12°C.
For August in Mildura, pack warm layers and a jacket for chilly mornings, with typical highs of 18.3°C and lows of 5.6°C.
Relative humidity in August averages 65% — moderately humid.
Average wind speed in August is 2.9 m/s. The windiest August on record averaged 3.7 m/s (1991).
The wettest August on record was 1985 with 55 mm. On average, August sees 22 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 Mildura 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.
