August is one of the cooler months of the year in Pakenham, with average highs near 12.7°C and lows around 5.8°C (mean 9.3°C). It is a relatively wet time of year, averaging 89 mm of rainfall and 82% relative humidity across the period.
August is one of the cooler months of the year in Pakenham. Across 45 years of records, the warmest August in Pakenham was 2024 — when the month averaged 12.2°C — while the coldest was 1992 at 7.5°C. Typical August days reach 12.7°C with nights near 5.8°C. The long-term trend is warming, about 0.4°C per decade.
August is a relatively wet time of year in Pakenham, averaging 89 mm of rainfall. The wettest August on record was 1991 with 163 mm, while the driest was 2024 at 28 mm.
Relative humidity in Pakenham during August averages 82%. The most humid August was 1989 at 90%, and the least humid was 2018 at 72%.
August receives about 2.8 kWh/m²/day of solar energy in Pakenham. The sunniest Augusts were 1998, 2014 and 2025, among others at 3.1 kWh/m²/day, and the cloudiest was 2013 at 2.5.
Average wind speed in Pakenham during August is 0.2 m/s. The windiest Augusts were 2023, 2024 and 2025, among others at 0.2 m/s, while the calmest were 1986, 1989 and 2021 at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.9°C | 8.7°C | 9.5°C | 9.2°C | 10.4°C | +1.5°C |
| Avg High | 12.2°C | 12.0°C | 13.0°C | 12.7°C | 14.2°C | +2°C |
| Avg Low | 5.5°C | 5.3°C | 5.9°C | 5.8°C | 6.7°C | +1.2°C |
| Avg Rain | 99 mm | 105 mm | 92 mm | 82 mm | 54 mm | -45 mm |
August temperatures in Pakenham have risen by about 1.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -1.7°C (1990) to a record high of 21.6°C (2024).
Rainfall in August is a relatively wet time of year, averaging 89 mm, with a wettest year of 163 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 quieter season to visit Pakenham
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Pakenham. That said, August — with days averaging 12.7°C and nights around 5.8°C (mean 9.3°C) and higher rainfall (89 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 | 14.6°C | 10.2°C | 5.7°C | 20.0°C | -0.2°C | 47 mm | 77% | 0.2 m/s | 3.1 |
| 2024 🔥 | 16.3°C | 12.2°C | 8.2°C | 21.6°C | 2.1°C | 28 mm | 73% | 0.2 m/s | 3 |
| 2023 | 15.1°C | 11.0°C | 6.9°C | 20.7°C | 0.4°C | 33 mm | 77% | 0.2 m/s | 2.8 |
| 2022 | 13.5°C | 10.2°C | 6.9°C | 18.0°C | 2.7°C | 107 mm | 82% | 0.2 m/s | 2.6 |
| 2021 | 13.5°C | 10.0°C | 6.6°C | 18.5°C | 3.9°C | 40 mm | 80% | 0.1 m/s | 3 |
| 2020 | 12.1°C | 9.0°C | 5.9°C | 16.7°C | 2.4°C | 70 mm | 83% | 0.2 m/s | 2.9 |
| 2019 | 12.4°C | 8.8°C | 5.1°C | 17.2°C | -0.1°C | 74 mm | 80% | 0.2 m/s | 2.7 |
| 2018 | 13.3°C | 9.3°C | 5.4°C | 17.9°C | 0.7°C | 53 mm | 72% | 0.2 m/s | 2.9 |
| 2017 | 12.6°C | 9.1°C | 5.7°C | 18.7°C | 1.8°C | 69 mm | 78% | 0.2 m/s | 2.8 |
| 2016 | 13.6°C | 9.8°C | 6.1°C | 18.6°C | 3.3°C | 64 mm | 78% | 0.2 m/s | 2.9 |
| 2015 | 12.0°C | 8.7°C | 5.5°C | 17.1°C | 2.4°C | 58 mm | 81% | 0.2 m/s | 2.7 |
| 2014 | 13.0°C | 9.2°C | 5.4°C | 18.0°C | -0.1°C | 49 mm | 85% | 0.2 m/s | 3.1 |
| 2013 | 12.8°C | 9.9°C | 7.0°C | 19.2°C | 3.7°C | 142 mm | 84% | 0.2 m/s | 2.5 |
| 2012 | 11.7°C | 8.8°C | 5.9°C | 15.8°C | 2.8°C | 113 mm | 83% | 0.2 m/s | 2.8 |
| 2011 | 14.2°C | 10.4°C | 6.6°C | 19.0°C | 2.1°C | 56 mm | 84% | 0.2 m/s | 2.8 |
| 2010 | 11.1°C | 8.2°C | 5.2°C | 14.4°C | 2.4°C | 143 mm | 87% | 0.2 m/s | 2.7 |
| 2009 | 13.9°C | 10.3°C | 6.8°C | 17.5°C | 3.0°C | 84 mm | 76% | 0.2 m/s | 2.7 |
| 2008 | 11.2°C | 8.2°C | 5.1°C | 16.0°C | 1.0°C | 107 mm | 87% | 0.2 m/s | 2.7 |
| 2007 | 13.7°C | 10.1°C | 6.5°C | 19.9°C | 3.9°C | 71 mm | 82% | 0.2 m/s | 2.9 |
| 2006 | 13.8°C | 9.7°C | 5.7°C | 18.8°C | 3.0°C | 42 mm | 79% | 0.2 m/s | 3 |
| 2005 | 13.5°C | 10.1°C | 6.7°C | 18.0°C | 2.7°C | 133 mm | 78% | 0.2 m/s | 2.8 |
| 2004 | 12.9°C | 9.4°C | 5.8°C | 18.7°C | 1.7°C | 105 mm | 83% | 0.2 m/s | 2.8 |
| 2003 | 12.0°C | 8.6°C | 5.2°C | 16.1°C | -0.9°C | 109 mm | 80% | 0.2 m/s | 2.8 |
| 2002 | 13.4°C | 9.4°C | 5.4°C | 17.1°C | 1.2°C | 51 mm | 79% | 0.2 m/s | 2.8 |
| 2001 | 12.9°C | 9.6°C | 6.3°C | 16.9°C | 2.7°C | 139 mm | 79% | 0.2 m/s | 2.6 |
| 2000 | 12.9°C | 9.3°C | 5.7°C | 16.9°C | 2.3°C | 84 mm | 86% | 0.2 m/s | 2.9 |
| 1999 | 13.4°C | 10.0°C | 6.6°C | 20.0°C | 2.3°C | 109 mm | 86% | 0.2 m/s | 2.6 |
| 1998 | 13.6°C | 9.7°C | 5.9°C | 17.4°C | 2.2°C | 39 mm | 84% | 0.2 m/s | 3.1 |
| 1997 | 12.1°C | 8.6°C | 5.0°C | 17.0°C | 1.2°C | 87 mm | 80% | 0.2 m/s | 2.7 |
| 1996 | 11.3°C | 8.5°C | 5.8°C | 14.8°C | 2.4°C | 119 mm | 87% | 0.2 m/s | 2.6 |
| 1995 | 12.9°C | 9.1°C | 5.3°C | 19.0°C | 1.7°C | 78 mm | 83% | 0.2 m/s | 3.1 |
| 1994 | 11.3°C | 7.8°C | 4.3°C | 18.5°C | -1.4°C | 70 mm | 83% | 0.2 m/s | 2.9 |
| 1993 | 13.7°C | 10.0°C | 6.3°C | 17.8°C | -0.2°C | 113 mm | 81% | 0.2 m/s | 2.9 |
| 1992 ❄️ | 11.0°C | 7.5°C | 4.0°C | 14.3°C | -1.5°C | 121 mm | 86% | 0.2 m/s | 2.7 |
| 1991 🌧️ | 10.7°C | 8.0°C | 5.2°C | 14.7°C | 0.3°C | 163 mm | 85% | 0.2 m/s | 2.7 |
| 1990 | 10.3°C | 7.7°C | 5.0°C | 15.6°C | -1.7°C | 151 mm | 90% | 0.2 m/s | 2.8 |
| 1989 | 10.5°C | 7.6°C | 4.7°C | 14.8°C | 2.8°C | 114 mm | 90% | 0.1 m/s | 2.8 |
| 1988 | 12.9°C | 9.5°C | 6.1°C | 18.5°C | 3.4°C | 87 mm | 85% | 0.2 m/s | 2.9 |
| 1987 | 12.5°C | 9.1°C | 5.6°C | 15.7°C | 2.9°C | 68 mm | 86% | 0.2 m/s | 2.9 |
| 1986 | 12.1°C | 8.7°C | 5.2°C | 16.5°C | 2.1°C | 67 mm | 86% | 0.1 m/s | 3.1 |
| 1985 | 11.6°C | 8.2°C | 4.8°C | 15.6°C | 0.6°C | 124 mm | 88% | 0.2 m/s | 2.9 |
| 1984 | 11.6°C | 8.9°C | 6.2°C | 15.9°C | 2.6°C | 144 mm | 87% | 0.2 m/s | 2.8 |
| 1983 | 12.8°C | 9.6°C | 6.3°C | 17.7°C | 0.4°C | 94 mm | 85% | 0.2 m/s | — |
| 1982 | 14.6°C | 10.0°C | 5.4°C | 19.6°C | 1.3°C | 31 mm | 79% | 0.2 m/s | — |
| 1981 | 11.1°C | 8.2°C | 5.3°C | 15.0°C | 2.8°C | 161 mm | 88% | 0.2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 12.7°C with lows near 5.8°C (mean 9.3°C), based on 45 years of NASA POWER data.
August averages 89 mm of rainfall in Pakenham, a relatively wet time of year. The wettest on record was 163 mm in 1991.
The hottest August reached 21.6°C in 2024. The coldest dipped to -1.7°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.7°C. Daytime highs moved from 12.3°C to 14.6°C and overnight lows from 5.6°C to 6.9°C over the same span.
August is one of the cooler months of the year in Pakenham and a relatively wet time of year, so plan for around 12.7°C daytime highs and 5.8°C at night.
Not quite — August is the 2nd coolest month in Pakenham, averaging 9.3°C.
For August in Pakenham, pack warm layers and a jacket for chilly mornings, with typical highs of 12.7°C and lows of 5.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 82% — quite humid.
Average wind speed in August is 0.2 m/s. The windiest August on record averaged 0.2 m/s (1981).
The wettest August on record was 1991 with 163 mm. On average, August sees 89 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 Pakenham 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.
