August is one of the cooler months of the year in Bairnsdale, with average highs near 14.2°C and lows around 6.9°C (mean 10.6°C). It is one of the drier months, averaging 50 mm of rainfall and 80% relative humidity across the period.
August is one of the cooler months of the year in Bairnsdale. Across 45 years of records, the warmest August in Bairnsdale was 2024 — when the month averaged 12.9°C — while the coldest was 1992 at 9°C. Typical August days reach 14.2°C with nights near 6.9°C. The long-term trend is warming, about 0.3°C per decade.
August is one of the drier months in Bairnsdale, averaging 50 mm of rainfall. The wettest August on record was 1990 with 88 mm, while the driest was 1982 at 12 mm.
Relative humidity in Bairnsdale during August averages 80%. The most humid Augusts were 1981, 1989 and 1998 at 85%, and the least humid was 2018 at 72%.
August receives about 3.1 kWh/m²/day of solar energy in Bairnsdale. The sunniest August was 1994 at 3.5 kWh/m²/day, and the cloudiest were 1996 and 2015 at 2.8.
Average wind speed in Bairnsdale during August is 2.8 m/s. The windiest August was 1991 at 3.8 m/s, while the calmest was 2011 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.1°C | 10.2°C | 10.8°C | 10.5°C | 11.5°C | +1.4°C |
| Avg High | 13.8°C | 13.8°C | 14.6°C | 14.0°C | 15.1°C | +1.3°C |
| Avg Low | 6.4°C | 6.6°C | 7.0°C | 7.0°C | 7.8°C | +1.4°C |
| Avg Rain | 52 mm | 47 mm | 50 mm | 54 mm | 47 mm | -5 mm |
August temperatures in Bairnsdale have risen by about 1.5°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 2.4°C (2014) to a record high of 22.4°C (1999).
Rainfall in August is one of the drier months, averaging 50 mm, with a wettest year of 88 mm.
A quieter season to visit Bairnsdale
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Bairnsdale. That said, August — with days averaging 14.2°C and nights around 6.9°C (mean 10.6°C) and moderate rainfall (50 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 | 14.5°C | 10.9°C | 7.4°C | 18.1°C | 4.1°C | 26 mm | 81% | 2.5 m/s | 3.3 |
| 2024 🔥 | 17.1°C | 12.9°C | 8.6°C | 22.3°C | 4.4°C | 34 mm | 75% | 2.4 m/s | 3.2 |
| 2023 | 16.2°C | 12.3°C | 8.4°C | 20.4°C | 4.2°C | 25 mm | 76% | 2.3 m/s | 3 |
| 2022 | 14.5°C | 11.2°C | 7.9°C | 18.2°C | 4.2°C | 73 mm | 81% | 2.7 m/s | 2.9 |
| 2021 | 14.6°C | 11.1°C | 7.5°C | 19.7°C | 4.3°C | 61 mm | 80% | 2.9 m/s | 3 |
| 2020 | 13.9°C | 10.5°C | 7.1°C | 19.2°C | 3.8°C | 61 mm | 79% | 3.2 m/s | 3 |
| 2019 | 14.2°C | 10.4°C | 6.6°C | 19.8°C | 4.0°C | 31 mm | 76% | 3.3 m/s | 3.2 |
| 2018 | 14.4°C | 10.8°C | 7.1°C | 18.8°C | 3.1°C | 30 mm | 72% | 3.3 m/s | 3.1 |
| 2017 | 14.2°C | 10.6°C | 7.1°C | 19.9°C | 3.9°C | 50 mm | 74% | 3 m/s | 3.1 |
| 2016 | 14.6°C | 10.9°C | 7.1°C | 19.0°C | 4.5°C | 32 mm | 80% | 2.4 m/s | 3.1 |
| 2015 | 12.8°C | 9.7°C | 6.5°C | 18.8°C | 2.8°C | 84 mm | 82% | 2.7 m/s | 2.8 |
| 2014 | 13.8°C | 10.5°C | 7.1°C | 19.2°C | 2.4°C | 57 mm | 82% | 2.4 m/s | 3.3 |
| 2013 | 14.6°C | 11.1°C | 7.7°C | 18.8°C | 4.9°C | 47 mm | 81% | 3.4 m/s | 3.2 |
| 2012 | 13.4°C | 10.0°C | 6.6°C | 16.5°C | 3.4°C | 52 mm | 81% | 3 m/s | 3 |
| 2011 | 15.0°C | 11.4°C | 7.7°C | 19.7°C | 4.9°C | 81 mm | 82% | 2.2 m/s | 3.1 |
| 2010 | 13.3°C | 9.9°C | 6.5°C | 16.8°C | 3.5°C | 77 mm | 81% | 3.1 m/s | 2.9 |
| 2009 | 16.1°C | 12.1°C | 8.0°C | 19.9°C | 4.5°C | 50 mm | 72% | 3.4 m/s | 3.2 |
| 2008 | 13.2°C | 9.8°C | 6.4°C | 18.2°C | 3.5°C | 61 mm | 81% | 3 m/s | 2.9 |
| 2007 | 14.8°C | 11.2°C | 7.6°C | 19.8°C | 4.7°C | 37 mm | 81% | 2.8 m/s | 3.2 |
| 2006 | 15.0°C | 11.0°C | 7.0°C | 20.4°C | 5.2°C | 37 mm | 78% | 2.3 m/s | 3.3 |
| 2005 | 15.2°C | 11.1°C | 7.0°C | 20.0°C | 4.8°C | 51 mm | 78% | 3.1 m/s | 3.2 |
| 2004 | 14.7°C | 10.8°C | 7.0°C | 20.8°C | 3.2°C | 49 mm | 80% | 2.7 m/s | 3.3 |
| 2003 | 14.2°C | 10.2°C | 6.2°C | 18.3°C | 3.8°C | 64 mm | 76% | 3 m/s | 3 |
| 2002 | 14.8°C | 10.7°C | 6.5°C | 19.4°C | 4.2°C | 14 mm | 76% | 2.6 m/s | 3.2 |
| 2001 | 14.2°C | 10.9°C | 7.6°C | 18.5°C | 5.0°C | 77 mm | 79% | 3.4 m/s | 2.9 |
| 2000 | 14.2°C | 10.6°C | 7.1°C | 17.9°C | 4.4°C | 57 mm | 81% | 2.6 m/s | 3 |
| 1999 | 15.3°C | 11.5°C | 7.7°C | 22.4°C | 4.2°C | 45 mm | 82% | 2.4 m/s | 3 |
| 1998 | 13.6°C | 10.5°C | 7.4°C | 16.8°C | 4.6°C | 55 mm | 85% | 2.3 m/s | 3 |
| 1997 | 14.2°C | 10.2°C | 6.3°C | 17.8°C | 4.1°C | 25 mm | 75% | 3 m/s | 3.4 |
| 1996 | 13.3°C | 9.9°C | 6.5°C | 18.2°C | 3.5°C | 52 mm | 82% | 3.1 m/s | 2.8 |
| 1995 | 15.0°C | 10.9°C | 6.7°C | 21.9°C | 3.4°C | 36 mm | 78% | 2.6 m/s | 3.4 |
| 1994 | 13.6°C | 9.7°C | 5.8°C | 21.2°C | 3.5°C | 20 mm | 76% | 3 m/s | 3.5 |
| 1993 | 15.2°C | 11.2°C | 7.1°C | 20.9°C | 3.7°C | 30 mm | 78% | 2.8 m/s | 3.2 |
| 1992 ❄️ | 12.6°C | 9.0°C | 5.4°C | 16.0°C | 2.9°C | 58 mm | 81% | 3.1 m/s | 3 |
| 1991 | 13.1°C | 9.7°C | 6.2°C | 16.9°C | 4.1°C | 64 mm | 80% | 3.8 m/s | 2.9 |
| 1990 🌧️ | 12.2°C | 9.3°C | 6.4°C | 15.4°C | 3.6°C | 88 mm | 85% | 3.3 m/s | 2.9 |
| 1989 | 12.3°C | 9.1°C | 5.8°C | 15.3°C | 3.6°C | 48 mm | 85% | 2.7 m/s | 2.9 |
| 1988 | 14.6°C | 10.6°C | 6.7°C | 18.3°C | 4.7°C | 51 mm | 82% | 2.5 m/s | 3.1 |
| 1987 | 13.6°C | 10.1°C | 6.6°C | 17.2°C | 4.0°C | 36 mm | 84% | 2.3 m/s | 2.9 |
| 1986 | 13.8°C | 10.2°C | 6.6°C | 18.5°C | 3.6°C | 59 mm | 81% | 2.5 m/s | 3.3 |
| 1985 | 13.2°C | 9.5°C | 5.8°C | 16.8°C | 2.6°C | 70 mm | 83% | 2.5 m/s | 3 |
| 1984 | 13.1°C | 9.9°C | 6.6°C | 17.0°C | 4.3°C | 59 mm | 85% | 3.4 m/s | 2.9 |
| 1983 | 14.1°C | 10.6°C | 7.0°C | 17.9°C | 4.0°C | 55 mm | 84% | 2.8 m/s | — |
| 1982 | 16.7°C | 11.8°C | 6.8°C | 21.9°C | 3.9°C | 12 mm | 74% | 2.3 m/s | — |
| 1981 | 12.5°C | 9.2°C | 6.0°C | 16.4°C | 3.8°C | 77 mm | 85% | 3.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 14.2°C with lows near 6.9°C (mean 10.6°C), based on 45 years of NASA POWER data.
August averages 50 mm of rainfall in Bairnsdale, one of the drier months. The wettest on record was 88 mm in 1990.
The hottest August reached 22.4°C in 1999. The coldest dipped to 2.4°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.5°C. Daytime highs moved from 13.9°C to 15.4°C and overnight lows from 6.4°C to 8°C over the same span.
August is one of the cooler months of the year in Bairnsdale and one of the drier months, so plan for around 14.2°C daytime highs and 6.9°C at night.
Not quite — August is the 2nd coolest month in Bairnsdale, averaging 10.6°C.
For August in Bairnsdale, pack warm layers and a jacket for chilly mornings, with typical highs of 14.2°C and lows of 6.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 80% — quite humid.
Average wind speed in August is 2.8 m/s. The windiest August on record averaged 3.8 m/s (1991).
The wettest August on record was 1990 with 88 mm. On average, August sees 50 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 Bairnsdale 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.
