August is one of the cooler months of the year in Nowra, with average highs near 16°C and lows around 9.2°C (mean 12.6°C). It is one of the drier months, averaging 74 mm of rainfall and 73% relative humidity across the period.
August is one of the cooler months of the year in Nowra. Across 45 years of records, the warmest August in Nowra was 2023 — when the month averaged 14.8°C — while the coldest was 1989 at 10.9°C. Typical August days reach 16°C with nights near 9.2°C. The long-term trend is warming, about 0.3°C per decade.
August is one of the drier months in Nowra, averaging 74 mm of rainfall. The wettest August on record was 1998 with 454 mm, while the driest was 1995 at 3 mm.
Relative humidity in Nowra during August averages 73%. The most humid August was 1987 at 83%, and the least humid was 2009 at 60%.
August receives about 3.6 kWh/m²/day of solar energy in Nowra. The sunniest August was 1995 at 4.1 kWh/m²/day, and the cloudiest was 2025 at 3.
Average wind speed in Nowra during August is 1.8 m/s. The windiest August was 1990 at 2.2 m/s, while the calmest was 1982 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.0°C | 12.3°C | 12.8°C | 12.7°C | 13.5°C | +1.5°C |
| Avg High | 15.4°C | 15.7°C | 16.4°C | 16.2°C | 16.8°C | +1.4°C |
| Avg Low | 8.7°C | 8.9°C | 9.3°C | 9.3°C | 10.2°C | +1.5°C |
| Avg Rain | 72 mm | 107 mm | 45 mm | 71 mm | 73 mm | +2 mm |
August temperatures in Nowra have risen by about 1.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 3.9°C (2008) to a record high of 25°C (1982).
Rainfall in August is one of the drier months, averaging 74 mm, with a wettest year of 454 mm.
A quieter season to visit Nowra
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Nowra. That said, August — with days averaging 16°C and nights around 9.2°C (mean 12.6°C) and moderate rainfall (74 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 | 15.5°C | 13.1°C | 10.7°C | 20.2°C | 6.8°C | 126 mm | 80% | 1.9 m/s | 3 |
| 2024 | 17.9°C | 14.6°C | 11.2°C | 23.8°C | 6.9°C | 8 mm | 75% | 1.5 m/s | 3.5 |
| 2023 🔥 | 18.7°C | 14.8°C | 11.0°C | 23.7°C | 8.5°C | 38 mm | 70% | 1.4 m/s | 3.4 |
| 2022 | 15.8°C | 12.9°C | 10.0°C | 19.4°C | 6.6°C | 38 mm | 80% | 1.8 m/s | 3.2 |
| 2021 | 17.5°C | 13.5°C | 9.5°C | 23.3°C | 7.5°C | 69 mm | 70% | 1.7 m/s | 3.6 |
| 2020 | 15.3°C | 12.2°C | 9.0°C | 19.7°C | 5.9°C | 160 mm | 76% | 2 m/s | 3.6 |
| 2019 | 16.7°C | 12.9°C | 9.1°C | 21.1°C | 6.2°C | 34 mm | 63% | 1.9 m/s | 3.8 |
| 2018 | 16.6°C | 12.9°C | 9.2°C | 22.0°C | 5.8°C | 19 mm | 62% | 1.9 m/s | 3.6 |
| 2017 | 16.5°C | 12.9°C | 9.4°C | 21.2°C | 6.5°C | 22 mm | 63% | 2 m/s | 3.9 |
| 2016 | 16.1°C | 12.8°C | 9.5°C | 19.9°C | 6.3°C | 57 mm | 76% | 1.7 m/s | 3.4 |
| 2015 | 15.8°C | 12.3°C | 8.8°C | 23.3°C | 5.2°C | 228 mm | 75% | 1.7 m/s | 3.4 |
| 2014 | 15.5°C | 12.5°C | 9.6°C | 18.8°C | 5.6°C | 207 mm | 77% | 1.7 m/s | 3.3 |
| 2013 | 16.3°C | 13.0°C | 9.7°C | 20.2°C | 6.6°C | 12 mm | 71% | 2 m/s | 3.9 |
| 2012 | 16.2°C | 12.4°C | 8.6°C | 21.6°C | 6.4°C | 12 mm | 66% | 1.8 m/s | 3.9 |
| 2011 | 16.8°C | 13.6°C | 10.4°C | 21.2°C | 7.5°C | 80 mm | 79% | 1.5 m/s | 3.3 |
| 2010 | 15.1°C | 11.9°C | 8.7°C | 19.1°C | 6.3°C | 40 mm | 72% | 2.1 m/s | 3.8 |
| 2009 | 18.8°C | 14.3°C | 9.9°C | 24.1°C | 5.6°C | 10 mm | 60% | 1.7 m/s | 4 |
| 2008 | 14.7°C | 11.4°C | 8.2°C | 19.0°C | 3.9°C | 59 mm | 71% | 2 m/s | 3.5 |
| 2007 | 16.1°C | 13.1°C | 10.1°C | 21.3°C | 6.6°C | 57 mm | 78% | 1.7 m/s | 3.3 |
| 2006 | 15.8°C | 12.4°C | 9.0°C | 19.7°C | 6.3°C | 63 mm | 76% | 1.5 m/s | 3.7 |
| 2005 | 16.5°C | 12.5°C | 8.5°C | 21.8°C | 4.9°C | 14 mm | 70% | 1.8 m/s | 3.9 |
| 2004 | 16.9°C | 13.4°C | 9.9°C | 23.7°C | 6.2°C | 50 mm | 69% | 1.8 m/s | 3.5 |
| 2003 | 15.7°C | 12.3°C | 8.8°C | 20.1°C | 5.2°C | 45 mm | 74% | 1.8 m/s | 3.6 |
| 2002 | 17.4°C | 13.2°C | 9.0°C | 22.7°C | 7.0°C | 15 mm | 66% | 1.7 m/s | 3.8 |
| 2001 | 16.3°C | 13.0°C | 9.7°C | 20.8°C | 6.5°C | 112 mm | 71% | 2.1 m/s | 3.5 |
| 2000 | 16.0°C | 12.7°C | 9.4°C | 18.8°C | 7.5°C | 29 mm | 73% | 1.8 m/s | 3.4 |
| 1999 | 16.0°C | 12.8°C | 9.7°C | 20.0°C | 5.4°C | 44 mm | 78% | 1.6 m/s | 3.6 |
| 1998 🌧️ | 15.7°C | 13.3°C | 10.9°C | 19.2°C | 6.3°C | 454 mm | 83% | 1.9 m/s | 3.1 |
| 1997 | 15.4°C | 11.9°C | 8.4°C | 19.6°C | 5.6°C | 15 mm | 73% | 1.8 m/s | 3.8 |
| 1996 | 16.0°C | 12.3°C | 8.7°C | 20.6°C | 5.0°C | 137 mm | 69% | 1.9 m/s | 3.6 |
| 1995 | 18.2°C | 13.8°C | 9.3°C | 25.0°C | 5.5°C | 3 mm | 69% | 1.5 m/s | 4.1 |
| 1994 | 15.5°C | 11.8°C | 8.0°C | 22.0°C | 5.2°C | 17 mm | 67% | 1.7 m/s | 3.8 |
| 1993 | 16.5°C | 12.8°C | 9.1°C | 20.9°C | 5.5°C | 63 mm | 73% | 1.6 m/s | 3.7 |
| 1992 | 14.8°C | 11.5°C | 8.2°C | 21.5°C | 5.8°C | 49 mm | 73% | 2 m/s | 3.6 |
| 1991 | 14.6°C | 11.3°C | 8.0°C | 19.3°C | 5.7°C | 13 mm | 72% | 2.1 m/s | 3.9 |
| 1990 | 14.0°C | 11.3°C | 8.6°C | 18.7°C | 5.7°C | 279 mm | 78% | 2.2 m/s | 3.3 |
| 1989 ❄️ | 13.8°C | 10.9°C | 8.0°C | 17.1°C | 5.2°C | 41 mm | 77% | 1.9 m/s | 3.6 |
| 1988 | 15.9°C | 12.4°C | 9.0°C | 21.5°C | 6.4°C | 54 mm | 79% | 1.7 m/s | 3.6 |
| 1987 | 15.4°C | 12.5°C | 9.7°C | 18.7°C | 6.7°C | 219 mm | 83% | 1.7 m/s | 3.1 |
| 1986 | 15.0°C | 11.8°C | 8.6°C | 19.1°C | 5.4°C | 191 mm | 77% | 1.9 m/s | 3.5 |
| 1985 | 14.7°C | 11.6°C | 8.5°C | 19.1°C | 5.1°C | 34 mm | 76% | 1.7 m/s | 3.5 |
| 1984 | 14.8°C | 11.6°C | 8.3°C | 17.7°C | 5.0°C | 26 mm | 76% | 1.8 m/s | 3.7 |
| 1983 | 15.2°C | 11.9°C | 8.6°C | 18.1°C | 5.4°C | 41 mm | 79% | 1.6 m/s | — |
| 1982 | 18.5°C | 13.9°C | 9.2°C | 25.0°C | 6.3°C | 12 mm | 68% | 1.3 m/s | — |
| 1981 | 15.1°C | 11.7°C | 8.3°C | 18.7°C | 5.0°C | 28 mm | 69% | 2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 16°C with lows near 9.2°C (mean 12.6°C), based on 45 years of NASA POWER data.
August averages 74 mm of rainfall in Nowra, one of the drier months. The wettest on record was 454 mm in 1998.
The hottest August reached 25°C in 1982. The coldest dipped to 3.9°C in 2008.
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 15.7°C to 17.1°C and overnight lows from 8.6°C to 10.5°C over the same span.
August is one of the cooler months of the year in Nowra and one of the drier months, so plan for around 16°C daytime highs and 9.2°C at night.
Not quite — August is the 2nd coolest month in Nowra, averaging 12.6°C.
For August in Nowra, pack light layers you can adjust through the day, with typical highs of 16°C and lows of 9.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 73% — moderately humid.
Average wind speed in August is 1.8 m/s. The windiest August on record averaged 2.2 m/s (1990).
The wettest August on record was 1998 with 454 mm. On average, August sees 74 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 Nowra 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.
