August is one of the cooler months of the year in Penrith, with average highs near 16.2°C and lows around 4.6°C (mean 10.4°C). It is one of the drier months, averaging 72 mm of rainfall and 77% relative humidity across the period.
August is one of the cooler months of the year in Penrith. Across 45 years of records, the warmest August in Penrith was 2024 — when the month averaged 13.3°C — while the coldest was 1989 at 8.4°C. Typical August days reach 16.2°C with nights near 4.6°C. The long-term trend is warming, about 0.4°C per decade.
August is one of the drier months in Penrith, averaging 72 mm of rainfall. The wettest August on record was 1998 with 473 mm, while the driest was 1995 at 1 mm.
Relative humidity in Penrith during August averages 77%. The most humid August was 1998 at 87%, and the least humid was 2018 at 62%.
August receives about 3.7 kWh/m²/day of solar energy in Penrith. The sunniest August was 1995 at 4.2 kWh/m²/day, and the cloudiest was 1987 at 3.
Average wind speed in Penrith during August is 1.2 m/s. The windiest Augusts were 1981, 1990 and 2019 at 1.4 m/s, while the calmest were 2022, 2023 and 2024, among others at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.8°C | 9.9°C | 10.5°C | 10.6°C | 11.7°C | +1.9°C |
| Avg High | 15.5°C | 15.7°C | 16.5°C | 16.6°C | 17.3°C | +1.8°C |
| Avg Low | 4.2°C | 4.2°C | 4.5°C | 4.6°C | 6.0°C | +1.8°C |
| Avg Rain | 87 mm | 102 mm | 48 mm | 58 mm | 60 mm | -26 mm |
August temperatures in Penrith have risen by about 2.1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -1.9°C (1981) to a record high of 26.3°C (2024).
Rainfall in August is one of the drier months, averaging 72 mm, with a wettest year of 473 mm.
A quieter season to visit Penrith
If your dates are flexible, the more temperate months of December and February tend to be the most comfortable for visiting Penrith. That said, August — with days averaging 16.2°C and nights around 4.6°C (mean 10.4°C) and moderate rainfall (72 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 | 15.4°C | 11.0°C | 6.5°C | 21.0°C | 1.2°C | 151 mm | 85% | 1.1 m/s | 3.1 |
| 2024 🔥 | 18.8°C | 13.3°C | 7.8°C | 26.3°C | 1.9°C | 22 mm | 77% | 1 m/s | 3.4 |
| 2023 | 19.7°C | 13.2°C | 6.8°C | 25.0°C | 2.7°C | 37 mm | 71% | 1 m/s | 3.6 |
| 2022 | 16.1°C | 10.8°C | 5.5°C | 21.5°C | 2.1°C | 44 mm | 84% | 1 m/s | 3.2 |
| 2021 | 18.2°C | 11.7°C | 5.2°C | 24.3°C | 2.7°C | 40 mm | 72% | 1.2 m/s | 3.8 |
| 2020 | 15.7°C | 10.0°C | 4.4°C | 21.4°C | 0.1°C | 67 mm | 77% | 1.2 m/s | 3.8 |
| 2019 | 17.8°C | 11.0°C | 4.2°C | 23.6°C | 0.4°C | 43 mm | 63% | 1.4 m/s | 3.9 |
| 2018 | 17.4°C | 10.9°C | 4.4°C | 23.1°C | -1.1°C | 12 mm | 62% | 1.3 m/s | 3.7 |
| 2017 | 17.5°C | 10.9°C | 4.3°C | 23.6°C | -0.2°C | 12 mm | 63% | 1.3 m/s | 4.1 |
| 2016 | 16.2°C | 10.4°C | 4.6°C | 20.8°C | 0.2°C | 68 mm | 79% | 1 m/s | 3.4 |
| 2015 | 16.5°C | 10.4°C | 4.4°C | 24.3°C | 0.1°C | 65 mm | 77% | 1.1 m/s | 3.6 |
| 2014 | 15.4°C | 10.3°C | 5.1°C | 19.9°C | 0.5°C | 241 mm | 82% | 1.1 m/s | 3.3 |
| 2013 | 17.0°C | 10.9°C | 4.9°C | 23.1°C | 1.4°C | 14 mm | 75% | 1.2 m/s | 4.1 |
| 2012 | 16.0°C | 9.7°C | 3.4°C | 23.4°C | 0.2°C | 16 mm | 74% | 1.2 m/s | 4 |
| 2011 | 16.7°C | 11.5°C | 6.3°C | 22.8°C | 1.6°C | 67 mm | 83% | 1 m/s | 3.4 |
| 2010 | 15.0°C | 9.5°C | 3.9°C | 19.3°C | 0.5°C | 40 mm | 77% | 1.2 m/s | 3.9 |
| 2009 | 18.5°C | 11.7°C | 4.9°C | 24.0°C | 0.3°C | 6 mm | 67% | 1.1 m/s | 4.1 |
| 2008 | 14.7°C | 8.9°C | 3.0°C | 20.1°C | -1.5°C | 38 mm | 75% | 1.2 m/s | 3.6 |
| 2007 | 16.3°C | 11.3°C | 6.2°C | 22.3°C | 1.5°C | 105 mm | 81% | 1.1 m/s | 3.5 |
| 2006 | 16.3°C | 10.3°C | 4.3°C | 20.8°C | 0.7°C | 60 mm | 77% | 1 m/s | 3.7 |
| 2005 | 17.2°C | 10.4°C | 3.6°C | 22.1°C | -0.7°C | 11 mm | 71% | 1.2 m/s | 4 |
| 2004 | 16.9°C | 11.2°C | 5.4°C | 24.2°C | 1.9°C | 82 mm | 73% | 1.2 m/s | 3.7 |
| 2003 | 15.9°C | 10.1°C | 4.3°C | 21.6°C | -1.3°C | 49 mm | 77% | 1.1 m/s | 3.7 |
| 2002 | 17.7°C | 11.1°C | 4.5°C | 23.2°C | 0.2°C | 31 mm | 71% | 1.1 m/s | 3.8 |
| 2001 | 15.5°C | 10.0°C | 4.5°C | 20.8°C | -0.4°C | 69 mm | 76% | 1.3 m/s | 3.7 |
| 2000 | 15.8°C | 10.1°C | 4.4°C | 18.5°C | -0.1°C | 35 mm | 77% | 1.2 m/s | 3.5 |
| 1999 | 15.9°C | 10.3°C | 4.8°C | 20.1°C | 0.5°C | 66 mm | 83% | 1 m/s | 3.7 |
| 1998 🌧️ | 15.6°C | 11.3°C | 7.0°C | 18.9°C | 0.3°C | 473 mm | 87% | 1.2 m/s | 3.2 |
| 1997 | 15.7°C | 9.4°C | 3.2°C | 21.0°C | -1.0°C | 29 mm | 76% | 1.1 m/s | 4 |
| 1996 | 15.7°C | 9.7°C | 3.6°C | 20.6°C | -1.3°C | 133 mm | 76% | 1.3 m/s | 3.6 |
| 1995 | 18.5°C | 11.5°C | 4.5°C | 26.1°C | -1.8°C | 1 mm | 75% | 1.1 m/s | 4.2 |
| 1994 | 15.5°C | 9.2°C | 2.9°C | 22.9°C | -1.6°C | 18 mm | 73% | 1 m/s | 3.9 |
| 1993 | 16.6°C | 10.8°C | 5.0°C | 21.5°C | -0.1°C | 64 mm | 78% | 1 m/s | 3.7 |
| 1992 | 15.1°C | 9.3°C | 3.5°C | 21.7°C | 0.6°C | 41 mm | 76% | 1.2 m/s | 3.7 |
| 1991 | 14.8°C | 9.0°C | 3.1°C | 19.4°C | -0.8°C | 15 mm | 76% | 1.3 m/s | 4 |
| 1990 | 13.9°C | 8.9°C | 3.9°C | 19.3°C | 0.2°C | 184 mm | 82% | 1.4 m/s | 3.4 |
| 1989 ❄️ | 13.8°C | 8.4°C | 2.9°C | 18.1°C | -0.7°C | 40 mm | 82% | 1.2 m/s | 3.8 |
| 1988 | 15.7°C | 10.2°C | 4.6°C | 22.1°C | 0.2°C | 67 mm | 82% | 1.1 m/s | 3.8 |
| 1987 | 15.7°C | 10.8°C | 5.9°C | 19.8°C | 1.0°C | 241 mm | 86% | 1.1 m/s | 3 |
| 1986 | 15.0°C | 9.7°C | 4.3°C | 19.6°C | 0.1°C | 300 mm | 81% | 1.3 m/s | 3.7 |
| 1985 | 14.4°C | 9.0°C | 3.6°C | 19.5°C | -1.8°C | 33 mm | 82% | 1.1 m/s | 3.6 |
| 1984 | 15.5°C | 9.8°C | 4.2°C | 19.0°C | 0.9°C | 15 mm | 78% | 1.2 m/s | 3.8 |
| 1983 | 15.2°C | 9.9°C | 4.5°C | 18.5°C | 0.9°C | 53 mm | 83% | 1 m/s | — |
| 1982 | 18.7°C | 11.7°C | 4.8°C | 26.0°C | 0.9°C | 15 mm | 71% | 1 m/s | — |
| 1981 | 15.1°C | 8.9°C | 2.8°C | 18.5°C | -1.9°C | 15 mm | 73% | 1.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 16.2°C with lows near 4.6°C (mean 10.4°C), based on 45 years of NASA POWER data.
August averages 72 mm of rainfall in Penrith, one of the drier months. The wettest on record was 473 mm in 1998.
The hottest August reached 26.3°C in 2024. The coldest dipped to -1.9°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.1°C. Daytime highs moved from 15.8°C to 17.6°C and overnight lows from 4°C to 6.4°C over the same span.
August is one of the cooler months of the year in Penrith and one of the drier months, so plan for around 16.2°C daytime highs and 4.6°C at night.
Not quite — August is the 3rd coolest month in Penrith, averaging 10.4°C.
For August in Penrith, pack warm layers and a jacket for chilly mornings, with typical highs of 16.2°C and lows of 4.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 77% — quite humid.
Average wind speed in August is 1.2 m/s. The windiest August on record averaged 1.4 m/s (1981).
The wettest August on record was 1998 with 473 mm. On average, August sees 72 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 Penrith 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.
