August is one of the cooler months of the year in Tweed Heads, with average highs near 19.9°C and lows around 17.3°C (mean 18.6°C). It is one of the drier months, averaging 48 mm of rainfall and 69% relative humidity across the period.
August is one of the cooler months of the year in Tweed Heads. Across 45 years of records, the warmest August in Tweed Heads was 2024 — when the month averaged 20.6°C — while the coldest was 1990 at 16.9°C. Typical August days reach 19.9°C with nights near 17.3°C. The long-term trend is warming, about 0.4°C per decade.
August is one of the drier months in Tweed Heads, averaging 48 mm of rainfall. The wettest August on record was 2014 with 140 mm, while the driest was 1991 at 0 mm.
Relative humidity in Tweed Heads during August averages 69%. The most humid August was 2024 at 76%, and the least humid was 2018 at 62%.
August receives about 4.2 kWh/m²/day of solar energy in Tweed Heads. The sunniest Augusts were 2013, 2017 and 2018 at 4.7 kWh/m²/day, and the cloudiest were 1998, 2007 and 2014 at 3.7.
Average wind speed in Tweed Heads during August is 5.4 m/s. The windiest August was 2014 at 6.6 m/s, while the calmest was 2009 at 4.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.9°C | 18.3°C | 18.7°C | 18.9°C | 19.3°C | +1.4°C |
| Avg High | 19.2°C | 19.6°C | 20.0°C | 20.2°C | 20.6°C | +1.4°C |
| Avg Low | 16.6°C | 17.0°C | 17.4°C | 17.5°C | 18.1°C | +1.5°C |
| Avg Rain | 64 mm | 37 mm | 49 mm | 49 mm | 40 mm | -24 mm |
August temperatures in Tweed Heads have risen by about 1.5°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 12.2°C (1988) to a record high of 26.3°C (2024).
Rainfall in August is one of the drier months, averaging 48 mm, with a wettest year of 140 mm.
A good time to visit Tweed Heads
August is a good time to visit Tweed Heads, with days averaging 19.9°C and nights around 17.3°C (mean 18.6°C, cooler than Tweed Heads's yearly average) and moderate rainfall. October and November are marginally more temperate, but August still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 20.1°C | 19.0°C | 17.9°C | 23.4°C | 13.6°C | 69 mm | 71% | 5.9 m/s | 4 |
| 2024 🔥 | 21.7°C | 20.6°C | 19.5°C | 26.3°C | 15.8°C | 102 mm | 76% | 5.6 m/s | 3.9 |
| 2023 | 21.2°C | 20.1°C | 19.1°C | 23.6°C | 16.3°C | 18 mm | 71% | 5.1 m/s | 4 |
| 2022 | 19.5°C | 18.2°C | 17.0°C | 21.6°C | 12.6°C | 15 mm | 72% | 4.9 m/s | 3.9 |
| 2021 | 20.5°C | 19.1°C | 17.7°C | 22.1°C | 14.1°C | 6 mm | 70% | 4.7 m/s | 4.3 |
| 2020 | 20.3°C | 18.8°C | 17.2°C | 23.8°C | 13.6°C | 29 mm | 66% | 5.4 m/s | 4.4 |
| 2019 | 20.4°C | 18.9°C | 17.5°C | 23.8°C | 12.7°C | 13 mm | 67% | 4.9 m/s | 4.4 |
| 2018 | 20.4°C | 18.9°C | 17.4°C | 23.3°C | 13.8°C | 26 mm | 62% | 4.9 m/s | 4.7 |
| 2017 | 21.1°C | 19.6°C | 18.1°C | 25.6°C | 15.1°C | 4 mm | 66% | 5.3 m/s | 4.7 |
| 2016 | 20.4°C | 19.2°C | 18.0°C | 22.4°C | 15.1°C | 73 mm | 70% | 5.4 m/s | 3.9 |
| 2015 | 20.2°C | 18.9°C | 17.6°C | 23.0°C | 13.3°C | 27 mm | 70% | 4.8 m/s | 4.2 |
| 2014 🌧️ | 19.6°C | 18.5°C | 17.4°C | 23.2°C | 15.2°C | 140 mm | 72% | 6.6 m/s | 3.7 |
| 2013 | 21.0°C | 19.5°C | 18.1°C | 23.2°C | 14.0°C | 5 mm | 66% | 4.9 m/s | 4.7 |
| 2012 | 19.7°C | 18.3°C | 16.9°C | 22.1°C | 13.1°C | 3 mm | 66% | 5.2 m/s | 4.5 |
| 2011 | 19.5°C | 18.4°C | 17.3°C | 21.2°C | 15.0°C | 127 mm | 71% | 5.4 m/s | 3.9 |
| 2010 | 20.1°C | 18.5°C | 17.0°C | 22.6°C | 13.5°C | 72 mm | 68% | 5.7 m/s | 4.1 |
| 2009 | 20.9°C | 19.6°C | 18.4°C | 24.7°C | 15.0°C | 4 mm | 72% | 4.5 m/s | 4.6 |
| 2008 | 18.9°C | 17.4°C | 15.9°C | 21.8°C | 12.9°C | 16 mm | 65% | 5.1 m/s | 4.4 |
| 2007 | 20.0°C | 18.8°C | 17.5°C | 22.8°C | 14.3°C | 127 mm | 72% | 5.8 m/s | 3.7 |
| 2006 | 20.0°C | 18.9°C | 17.8°C | 23.9°C | 14.8°C | 77 mm | 71% | 5.5 m/s | 4.1 |
| 2005 | 19.9°C | 18.8°C | 17.7°C | 21.8°C | 14.8°C | 26 mm | 67% | 5.8 m/s | 4 |
| 2004 | 20.3°C | 18.7°C | 17.2°C | 23.0°C | 14.3°C | 31 mm | 65% | 5.7 m/s | 4.5 |
| 2003 | 20.0°C | 18.9°C | 17.8°C | 23.1°C | 14.3°C | 25 mm | 71% | 6 m/s | 3.9 |
| 2002 | 19.8°C | 18.8°C | 17.7°C | 22.5°C | 15.7°C | 134 mm | 70% | 6.2 m/s | 3.8 |
| 2001 | 19.9°C | 18.3°C | 16.8°C | 22.9°C | 13.6°C | 14 mm | 63% | 5.3 m/s | 4.4 |
| 2000 | 19.8°C | 18.4°C | 17.0°C | 22.8°C | 14.2°C | 33 mm | 67% | 5.7 m/s | 4.2 |
| 1999 | 19.0°C | 18.0°C | 17.0°C | 20.6°C | 12.3°C | 83 mm | 74% | 5.6 m/s | 3.9 |
| 1998 | 20.3°C | 19.2°C | 18.2°C | 22.3°C | 15.0°C | 108 mm | 75% | 6.1 m/s | 3.7 |
| 1997 | 19.4°C | 18.3°C | 17.2°C | 22.3°C | 12.2°C | 12 mm | 66% | 5.2 m/s | 4.4 |
| 1996 | 20.1°C | 18.6°C | 17.0°C | 22.6°C | 12.3°C | 44 mm | 71% | 5.2 m/s | 4.1 |
| 1995 | 19.7°C | 18.6°C | 17.6°C | 23.0°C | 13.8°C | 35 mm | 69% | 5.3 m/s | 4.2 |
| 1994 | 18.8°C | 17.8°C | 16.8°C | 21.4°C | 12.5°C | 17 mm | 68% | 4.9 m/s | 4.3 |
| 1993 | 20.0°C | 18.9°C | 17.8°C | 23.4°C | 13.6°C | 43 mm | 68% | 4.9 m/s | 4.3 |
| 1992 | 19.7°C | 18.1°C | 16.5°C | 23.0°C | 13.4°C | 13 mm | 67% | 5.7 m/s | 4.4 |
| 1991 | 20.2°C | 18.5°C | 16.9°C | 23.5°C | 12.9°C | 0 mm | 64% | 5.7 m/s | 4.5 |
| 1990 ❄️ | 18.8°C | 16.9°C | 15.1°C | 22.1°C | 12.4°C | 12 mm | 66% | 6.1 m/s | 4.3 |
| 1989 | 18.4°C | 17.0°C | 15.7°C | 22.1°C | 12.5°C | 47 mm | 67% | 5.1 m/s | 4.5 |
| 1988 | 19.5°C | 18.3°C | 17.0°C | 21.7°C | 12.2°C | 82 mm | 74% | 5.7 m/s | 4 |
| 1987 | 19.9°C | 18.8°C | 17.7°C | 21.2°C | 15.2°C | 110 mm | 71% | 5.3 m/s | 3.9 |
| 1986 | 18.9°C | 17.7°C | 16.4°C | 21.8°C | 13.6°C | 89 mm | 68% | 5.2 m/s | 3.9 |
| 1985 | 18.8°C | 17.6°C | 16.4°C | 23.1°C | 13.2°C | 51 mm | 70% | 4.9 m/s | 3.9 |
| 1984 | 19.2°C | 17.7°C | 16.1°C | 21.3°C | 12.4°C | 18 mm | 65% | 4.7 m/s | 4.3 |
| 1983 | 19.1°C | 18.0°C | 16.9°C | 20.9°C | 13.3°C | 79 mm | 68% | 5 m/s | — |
| 1982 | 19.2°C | 18.5°C | 17.8°C | 20.7°C | 14.9°C | 75 mm | 68% | 4.7 m/s | — |
| 1981 | 19.7°C | 17.7°C | 15.8°C | 23.7°C | 13.3°C | 28 mm | 63% | 5.5 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 19.9°C with lows near 17.3°C (mean 18.6°C), based on 45 years of NASA POWER data.
August averages 48 mm of rainfall in Tweed Heads, one of the drier months. The wettest on record was 140 mm in 2014.
The hottest August reached 26.3°C in 2024. The coldest dipped to 12.2°C in 1988.
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 19.2°C to 20.6°C and overnight lows from 16.6°C to 18.2°C over the same span.
August is one of the cooler months of the year in Tweed Heads and one of the drier months, so plan for around 19.9°C daytime highs and 17.3°C at night.
Not quite — August is the 2nd coolest month in Tweed Heads, averaging 18.6°C.
For August in Tweed Heads, pack light layers you can adjust through the day, with typical highs of 19.9°C and lows of 17.3°C.
Relative humidity in August averages 69% — moderately humid.
Average wind speed in August is 5.4 m/s. The windiest August on record averaged 6.6 m/s (2014).
The wettest August on record was 2014 with 140 mm. On average, August sees 48 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 Tweed Heads 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.
