August is one of the cooler months of the year in Port Macquarie, with average highs near 18.3°C and lows around 14.6°C (mean 16.5°C). It is one of the drier months, averaging 47 mm of rainfall and 70% relative humidity across the period.
August is one of the cooler months of the year in Port Macquarie. Across 45 years of records, the warmest August in Port Macquarie was 2024 — when the month averaged 18.5°C — while the coldest was 1990 at 14.5°C. Typical August days reach 18.3°C with nights near 14.6°C. The long-term trend is warming, about 0.4°C per decade.
August is one of the drier months in Port Macquarie, averaging 47 mm of rainfall. The wettest August on record was 1987 with 164 mm, while the driest were 1991 and 2009 at 1 mm.
Relative humidity in Port Macquarie during August averages 70%. The most humid August was 1987 at 78%, and the least humid was 1981 at 63%.
August receives about 3.9 kWh/m²/day of solar energy in Port Macquarie. The sunniest August was 1991 at 4.5 kWh/m²/day, and the cloudiest were 1987, 1998 and 2014 at 3.4.
Average wind speed in Port Macquarie during August is 4 m/s. The windiest August was 1990 at 4.7 m/s, while the calmest was 1982 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.8°C | 16.1°C | 16.6°C | 16.7°C | 17.2°C | +1.4°C |
| Avg High | 17.5°C | 17.9°C | 18.5°C | 18.7°C | 19.0°C | +1.5°C |
| Avg Low | 13.9°C | 14.3°C | 14.7°C | 14.8°C | 15.4°C | +1.5°C |
| Avg Rain | 46 mm | 44 mm | 57 mm | 39 mm | 49 mm | +3 mm |
August temperatures in Port Macquarie have risen by about 1.4°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 9.6°C (1986) to a record high of 25.5°C (2024).
Rainfall in August is one of the drier months, averaging 47 mm, with a wettest year of 164 mm.
A quieter season to visit Port Macquarie
If your dates are flexible, the more temperate months of December and April tend to be the most comfortable for visiting Port Macquarie. That said, August — with days averaging 18.3°C and nights around 14.6°C (mean 16.5°C) and moderate rainfall (47 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 | 18.2°C | 16.9°C | 15.6°C | 22.5°C | 12.6°C | 147 mm | 75% | 4.3 m/s | 3.5 |
| 2024 🔥 | 20.2°C | 18.5°C | 16.9°C | 25.5°C | 14.6°C | 47 mm | 73% | 3.5 m/s | 3.5 |
| 2023 | 19.5°C | 17.6°C | 15.8°C | 21.8°C | 13.2°C | 17 mm | 72% | 3.2 m/s | 4.1 |
| 2022 | 17.9°C | 16.2°C | 14.6°C | 20.3°C | 10.3°C | 39 mm | 75% | 4.1 m/s | 3.5 |
| 2021 | 19.4°C | 17.3°C | 15.1°C | 23.2°C | 13.2°C | 12 mm | 69% | 3.9 m/s | 4 |
| 2020 | 18.6°C | 16.5°C | 14.3°C | 22.8°C | 11.4°C | 32 mm | 68% | 4 m/s | 4.2 |
| 2019 | 19.6°C | 17.3°C | 15.0°C | 22.4°C | 11.3°C | 6 mm | 64% | 3.7 m/s | 4.3 |
| 2018 | 18.8°C | 16.6°C | 14.3°C | 22.7°C | 11.6°C | 19 mm | 64% | 4 m/s | 4.3 |
| 2017 | 18.9°C | 17.0°C | 15.0°C | 24.2°C | 12.3°C | 9 mm | 65% | 4.2 m/s | 4.3 |
| 2016 | 18.8°C | 16.9°C | 15.1°C | 22.6°C | 12.4°C | 91 mm | 70% | 3.9 m/s | 3.7 |
| 2015 | 19.2°C | 17.0°C | 14.7°C | 22.5°C | 9.9°C | 22 mm | 69% | 3.6 m/s | 4.2 |
| 2014 | 18.0°C | 16.6°C | 15.1°C | 22.7°C | 12.1°C | 131 mm | 72% | 4.1 m/s | 3.4 |
| 2013 | 19.3°C | 17.3°C | 15.2°C | 22.6°C | 10.8°C | 3 mm | 67% | 3.9 m/s | 4.4 |
| 2012 | 17.7°C | 15.7°C | 13.7°C | 20.8°C | 11.5°C | 18 mm | 69% | 4.1 m/s | 4.2 |
| 2011 | 18.1°C | 16.6°C | 15.1°C | 21.1°C | 11.8°C | 74 mm | 75% | 3.7 m/s | 3.6 |
| 2010 | 18.2°C | 16.2°C | 14.3°C | 21.0°C | 11.7°C | 17 mm | 68% | 4.5 m/s | 4.2 |
| 2009 | 18.8°C | 16.9°C | 15.0°C | 23.7°C | 12.6°C | 1 mm | 72% | 3.4 m/s | 4.4 |
| 2008 | 17.5°C | 15.4°C | 13.2°C | 21.9°C | 10.8°C | 11 mm | 68% | 4.4 m/s | 4.1 |
| 2007 | 19.1°C | 17.1°C | 15.1°C | 22.4°C | 11.6°C | 142 mm | 72% | 3.6 m/s | 3.6 |
| 2006 | 18.3°C | 17.0°C | 15.6°C | 22.0°C | 12.6°C | 110 mm | 72% | 4.2 m/s | 3.8 |
| 2005 | 18.3°C | 16.7°C | 15.1°C | 21.7°C | 10.7°C | 11 mm | 69% | 4.4 m/s | 4.2 |
| 2004 | 18.9°C | 16.8°C | 14.6°C | 23.0°C | 12.2°C | 75 mm | 67% | 4 m/s | 4 |
| 2003 | 18.5°C | 16.8°C | 15.0°C | 21.5°C | 12.5°C | 17 mm | 70% | 4.1 m/s | 3.8 |
| 2002 | 18.8°C | 16.9°C | 14.9°C | 23.4°C | 12.8°C | 127 mm | 70% | 4.2 m/s | 3.7 |
| 2001 | 18.4°C | 16.4°C | 14.3°C | 21.2°C | 11.7°C | 25 mm | 67% | 4.3 m/s | 3.9 |
| 2000 | 18.3°C | 16.4°C | 14.5°C | 21.2°C | 12.4°C | 55 mm | 68% | 4.1 m/s | 3.7 |
| 1999 | 17.7°C | 16.3°C | 14.9°C | 20.5°C | 10.2°C | 87 mm | 76% | 4 m/s | 3.7 |
| 1998 | 18.3°C | 17.0°C | 15.7°C | 20.5°C | 12.5°C | 144 mm | 77% | 4.1 m/s | 3.4 |
| 1997 | 18.2°C | 16.3°C | 14.3°C | 21.8°C | 10.7°C | 21 mm | 68% | 4 m/s | 4.2 |
| 1996 | 17.9°C | 16.0°C | 14.0°C | 20.5°C | 10.5°C | 59 mm | 72% | 3.6 m/s | 3.8 |
| 1995 | 19.0°C | 17.0°C | 15.0°C | 24.1°C | 10.1°C | 7 mm | 71% | 4 m/s | 4.3 |
| 1994 | 17.8°C | 16.0°C | 14.1°C | 21.1°C | 11.1°C | 30 mm | 69% | 3.7 m/s | 4 |
| 1993 | 17.9°C | 16.1°C | 14.2°C | 20.9°C | 11.4°C | 39 mm | 72% | 3.5 m/s | 4 |
| 1992 | 18.2°C | 16.0°C | 13.9°C | 21.9°C | 11.0°C | 18 mm | 68% | 4.4 m/s | 4.1 |
| 1991 | 18.1°C | 16.0°C | 13.9°C | 21.3°C | 11.5°C | 1 mm | 66% | 4.1 m/s | 4.5 |
| 1990 ❄️ | 16.3°C | 14.5°C | 12.6°C | 19.0°C | 10.6°C | 37 mm | 72% | 4.7 m/s | 3.9 |
| 1989 | 16.4°C | 14.8°C | 13.1°C | 19.6°C | 10.2°C | 24 mm | 72% | 4 m/s | 4.1 |
| 1988 | 18.0°C | 16.2°C | 14.5°C | 20.9°C | 10.7°C | 30 mm | 76% | 3.9 m/s | 3.7 |
| 1987 🌧️ | 17.5°C | 16.0°C | 14.6°C | 19.7°C | 11.4°C | 164 mm | 78% | 3.8 m/s | 3.4 |
| 1986 | 17.0°C | 15.2°C | 13.4°C | 20.4°C | 9.6°C | 52 mm | 71% | 4 m/s | 3.9 |
| 1985 | 16.6°C | 15.0°C | 13.3°C | 20.2°C | 10.7°C | 24 mm | 72% | 3.9 m/s | 3.7 |
| 1984 | 17.8°C | 15.7°C | 13.6°C | 21.0°C | 10.3°C | 3 mm | 69% | 4 m/s | 4.2 |
| 1983 | 17.5°C | 16.0°C | 14.4°C | 19.8°C | 12.2°C | 51 mm | 72% | 3.7 m/s | — |
| 1982 | 19.2°C | 17.2°C | 15.2°C | 22.4°C | 11.6°C | 56 mm | 68% | 3.1 m/s | — |
| 1981 | 17.9°C | 15.7°C | 13.4°C | 21.6°C | 10.8°C | 13 mm | 63% | 4.2 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 14.6°C (mean 16.5°C), based on 45 years of NASA POWER data.
August averages 47 mm of rainfall in Port Macquarie, one of the drier months. The wettest on record was 164 mm in 1987.
The hottest August reached 25.5°C in 2024. The coldest dipped to 9.6°C in 1986.
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 17.8°C to 19°C and overnight lows from 14°C to 15.6°C over the same span.
August is one of the cooler months of the year in Port Macquarie and one of the drier months, so plan for around 18.3°C daytime highs and 14.6°C at night.
Not quite — August is the 2nd coolest month in Port Macquarie, averaging 16.5°C.
For August in Port Macquarie, pack light layers you can adjust through the day, with typical highs of 18.3°C and lows of 14.6°C.
Relative humidity in August averages 70% — moderately humid.
Average wind speed in August is 4 m/s. The windiest August on record averaged 4.7 m/s (1990).
The wettest August on record was 1987 with 164 mm. On average, August sees 47 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 Port Macquarie 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.
