August is one of the cooler months of the year in Coffs Harbour, with average highs near 18.3°C and lows around 13°C (mean 15.7°C). It is one of the drier months, averaging 54 mm of rainfall and 70% relative humidity across the period.
August is one of the cooler months of the year in Coffs Harbour. Across 45 years of records, the warmest August in Coffs Harbour was 2024 — when the month averaged 17.8°C — while the coldest was 1990 at 13.7°C. Typical August days reach 18.3°C with nights near 13°C. The long-term trend is warming, about 0.4°C per decade.
August is one of the drier months in Coffs Harbour, averaging 54 mm of rainfall. The wettest August on record was 2007 with 230 mm, while the driest was 1991 at 1 mm.
Relative humidity in Coffs Harbour during August averages 70%. The most humid August was 1987 at 79%, and the least humid was 2018 at 62%.
August receives about 4 kWh/m²/day of solar energy in Coffs Harbour. The sunniest Augusts were 2017, 2019 and 2020, among others at 4.4 kWh/m²/day, and the cloudiest was 1998 at 3.5.
Average wind speed in Coffs Harbour during August is 3.2 m/s. The windiest August was 1990 at 3.7 m/s, while the calmest was 1982 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.9°C | 15.4°C | 16.0°C | 15.9°C | 16.4°C | +1.5°C |
| Avg High | 17.5°C | 18.0°C | 18.7°C | 18.6°C | 18.9°C | +1.4°C |
| Avg Low | 12.4°C | 12.8°C | 13.2°C | 13.2°C | 13.9°C | +1.5°C |
| Avg Rain | 52 mm | 44 mm | 67 mm | 54 mm | 55 mm | +3 mm |
August temperatures in Coffs Harbour have risen by about 1.6°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 7.9°C (1995) to a record high of 25.6°C (2024).
Rainfall in August is one of the drier months, averaging 54 mm, with a wettest year of 230 mm.
A quieter season to visit Coffs Harbour
If your dates are flexible, the more temperate months of December and November tend to be the most comfortable for visiting Coffs Harbour. That said, August — with days averaging 18.3°C and nights around 13°C (mean 15.7°C) and moderate rainfall (54 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 | 17.9°C | 16.0°C | 14.0°C | 22.5°C | 10.8°C | 152 mm | 76% | 3.5 m/s | 3.7 |
| 2024 🔥 | 20.1°C | 17.8°C | 15.6°C | 25.6°C | 12.4°C | 83 mm | 76% | 2.9 m/s | 3.6 |
| 2023 | 20.1°C | 17.4°C | 14.7°C | 24.0°C | 11.9°C | 13 mm | 70% | 2.8 m/s | 4.2 |
| 2022 | 17.7°C | 15.3°C | 13.0°C | 20.9°C | 10.1°C | 30 mm | 76% | 3.3 m/s | 3.7 |
| 2021 | 19.3°C | 16.4°C | 13.5°C | 22.7°C | 11.0°C | 13 mm | 71% | 3 m/s | 4.1 |
| 2020 | 18.5°C | 15.7°C | 12.8°C | 22.9°C | 10.0°C | 36 mm | 69% | 3.1 m/s | 4.4 |
| 2019 | 20.1°C | 16.9°C | 13.6°C | 23.1°C | 9.4°C | 13 mm | 64% | 3 m/s | 4.4 |
| 2018 | 19.2°C | 16.0°C | 12.7°C | 23.1°C | 9.6°C | 27 mm | 62% | 3 m/s | 4.3 |
| 2017 | 18.5°C | 15.8°C | 13.0°C | 23.4°C | 10.4°C | 7 mm | 67% | 3.2 m/s | 4.4 |
| 2016 | 18.5°C | 16.1°C | 13.6°C | 21.9°C | 10.6°C | 104 mm | 72% | 3.2 m/s | 3.8 |
| 2015 | 19.3°C | 16.2°C | 13.2°C | 23.4°C | 8.4°C | 20 mm | 69% | 2.9 m/s | 4.1 |
| 2014 | 17.8°C | 15.7°C | 13.6°C | 23.1°C | 11.0°C | 207 mm | 74% | 3.5 m/s | 3.6 |
| 2013 | 19.0°C | 16.2°C | 13.4°C | 22.7°C | 8.6°C | 4 mm | 69% | 3 m/s | 4.4 |
| 2012 | 17.8°C | 15.0°C | 12.1°C | 22.1°C | 9.8°C | 12 mm | 69% | 3.2 m/s | 4.3 |
| 2011 | 17.7°C | 15.6°C | 13.5°C | 21.2°C | 9.5°C | 117 mm | 77% | 3 m/s | 3.9 |
| 2010 | 18.1°C | 15.4°C | 12.8°C | 21.8°C | 10.3°C | 26 mm | 68% | 3.4 m/s | 4 |
| 2009 | 19.1°C | 16.3°C | 13.4°C | 24.8°C | 10.8°C | 2 mm | 73% | 2.8 m/s | 4.2 |
| 2008 | 17.7°C | 14.7°C | 11.7°C | 22.7°C | 8.7°C | 19 mm | 67% | 3.5 m/s | 4.1 |
| 2007 🌧️ | 19.3°C | 16.6°C | 13.8°C | 22.8°C | 9.9°C | 230 mm | 71% | 3 m/s | 3.7 |
| 2006 | 18.5°C | 16.3°C | 14.1°C | 23.8°C | 11.0°C | 156 mm | 72% | 3.6 m/s | 3.9 |
| 2005 | 18.3°C | 15.9°C | 13.4°C | 22.2°C | 8.9°C | 12 mm | 70% | 3.6 m/s | 4.1 |
| 2004 | 19.4°C | 16.3°C | 13.1°C | 25.1°C | 10.4°C | 41 mm | 64% | 3.2 m/s | 4.2 |
| 2003 | 18.9°C | 16.2°C | 13.6°C | 23.6°C | 10.7°C | 13 mm | 70% | 3.4 m/s | 3.8 |
| 2002 | 19.0°C | 16.2°C | 13.5°C | 24.1°C | 10.3°C | 120 mm | 69% | 3.6 m/s | 3.9 |
| 2001 | 18.2°C | 15.4°C | 12.6°C | 21.2°C | 9.4°C | 20 mm | 68% | 3.3 m/s | 4.3 |
| 2000 | 18.4°C | 15.8°C | 13.2°C | 21.3°C | 10.9°C | 52 mm | 67% | 3.3 m/s | 4 |
| 1999 | 17.4°C | 15.4°C | 13.4°C | 21.0°C | 9.5°C | 99 mm | 77% | 3.3 m/s | 3.9 |
| 1998 | 18.2°C | 16.3°C | 14.5°C | 21.3°C | 10.4°C | 149 mm | 78% | 3.5 m/s | 3.5 |
| 1997 | 18.6°C | 15.6°C | 12.7°C | 22.1°C | 8.8°C | 17 mm | 66% | 3.4 m/s | 4.3 |
| 1996 | 17.8°C | 15.1°C | 12.3°C | 20.2°C | 9.0°C | 48 mm | 72% | 2.8 m/s | 4 |
| 1995 | 19.3°C | 16.5°C | 13.6°C | 24.7°C | 7.9°C | 9 mm | 69% | 3.3 m/s | 4.2 |
| 1994 | 17.8°C | 15.2°C | 12.6°C | 21.7°C | 8.8°C | 37 mm | 69% | 3 m/s | 4 |
| 1993 | 18.2°C | 15.7°C | 13.1°C | 21.4°C | 9.6°C | 41 mm | 71% | 2.9 m/s | 4.1 |
| 1992 | 18.5°C | 15.5°C | 12.5°C | 22.9°C | 9.1°C | 14 mm | 66% | 3.6 m/s | 4.2 |
| 1991 | 18.1°C | 15.1°C | 12.1°C | 22.4°C | 9.3°C | 1 mm | 66% | 3.3 m/s | 4.4 |
| 1990 ❄️ | 16.4°C | 13.7°C | 11.1°C | 19.1°C | 9.1°C | 22 mm | 71% | 3.7 m/s | 4 |
| 1989 | 16.4°C | 13.8°C | 11.3°C | 20.4°C | 8.1°C | 32 mm | 72% | 3 m/s | 4.3 |
| 1988 | 17.9°C | 15.5°C | 13.1°C | 21.7°C | 8.9°C | 27 mm | 76% | 3.3 m/s | 3.9 |
| 1987 | 17.5°C | 15.4°C | 13.3°C | 20.3°C | 10.4°C | 175 mm | 79% | 3 m/s | 3.6 |
| 1986 | 17.3°C | 14.6°C | 12.0°C | 22.0°C | 8.5°C | 60 mm | 70% | 3.2 m/s | 3.8 |
| 1985 | 16.7°C | 14.3°C | 11.9°C | 21.0°C | 8.7°C | 26 mm | 74% | 3 m/s | 3.8 |
| 1984 | 17.6°C | 14.7°C | 11.8°C | 20.9°C | 8.6°C | 5 mm | 69% | 3 m/s | 4.2 |
| 1983 | 16.9°C | 14.9°C | 12.8°C | 19.2°C | 10.1°C | 54 mm | 74% | 3 m/s | — |
| 1982 | 18.9°C | 16.2°C | 13.6°C | 21.9°C | 9.6°C | 70 mm | 68% | 2.6 m/s | — |
| 1981 | 18.2°C | 14.9°C | 11.7°C | 21.7°C | 9.0°C | 16 mm | 62% | 3.2 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 13°C (mean 15.7°C), based on 45 years of NASA POWER data.
August averages 54 mm of rainfall in Coffs Harbour, one of the drier months. The wettest on record was 230 mm in 2007.
The hottest August reached 25.6°C in 2024. The coldest dipped to 7.9°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.6°C. Daytime highs moved from 17.7°C to 19°C and overnight lows from 12.4°C to 14.2°C over the same span.
August is one of the cooler months of the year in Coffs Harbour and one of the drier months, so plan for around 18.3°C daytime highs and 13°C at night.
Not quite — August is the 2nd coolest month in Coffs Harbour, averaging 15.7°C.
For August in Coffs Harbour, pack light layers you can adjust through the day, with typical highs of 18.3°C and lows of 13°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 70% — moderately humid.
Average wind speed in August is 3.2 m/s. The windiest August on record averaged 3.7 m/s (1990).
The wettest August on record was 2007 with 230 mm. On average, August sees 54 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 Coffs Harbour 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.
