August is one of the cooler months of the year in Narrogin, with average highs near 15.2°C and lows around 5.4°C (mean 10.3°C). It is a relatively wet time of year, averaging 80 mm of rainfall and 85% relative humidity across the period.
August is one of the cooler months of the year in Narrogin. Across 45 years of records, the warmest August in Narrogin was 2014 — when the month averaged 12.1°C — while the coldest was 1986 at 8.6°C. Typical August days reach 15.2°C with nights near 5.4°C. The long-term trend is warming, about 0.3°C per decade.
August is a relatively wet time of year in Narrogin, averaging 80 mm of rainfall. The wettest August on record was 2025 with 127 mm, while the driest was 2008 at 14 mm.
Relative humidity in Narrogin during August averages 85%. The most humid August was 1992 at 89%, and the least humid was 2019 at 79%.
August receives about 3.7 kWh/m²/day of solar energy in Narrogin. The sunniest August was 1989 at 4.1 kWh/m²/day, and the cloudiest was 1998 at 3.4.
Average wind speed in Narrogin during August is 2.9 m/s. The windiest August was 2024 at 3.5 m/s, while the calmest was 2023 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.8°C | 10.1°C | 10.1°C | 10.8°C | 10.6°C | +0.8°C |
| Avg High | 14.8°C | 14.8°C | 14.9°C | 15.9°C | 15.4°C | +0.6°C |
| Avg Low | 4.9°C | 5.3°C | 5.3°C | 5.8°C | 5.9°C | +1°C |
| Avg Rain | 76 mm | 81 mm | 81 mm | 72 mm | 92 mm | +17 mm |
August temperatures in Narrogin have risen by about 0.6°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -0.7°C (1992) to a record high of 23.5°C (2006).
Rainfall in August is a relatively wet time of year, averaging 80 mm, with a wettest year of 127 mm.
A quieter season to visit Narrogin
If your dates are flexible, the more temperate months of December and March tend to be the most comfortable for visiting Narrogin. That said, August — with days averaging 15.2°C and nights around 5.4°C (mean 10.3°C) and moderate rainfall (80 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 🌧️ | 15.1°C | 10.2°C | 5.3°C | 21.2°C | 2.3°C | 127 mm | 85% | 2.9 m/s | 3.7 |
| 2024 | 15.7°C | 11.6°C | 7.4°C | 20.6°C | 2.2°C | 87 mm | 86% | 3.5 m/s | 3.7 |
| 2023 | 16.9°C | 11.3°C | 5.8°C | 22.4°C | 0.4°C | 66 mm | 86% | 2.1 m/s | 3.9 |
| 2022 | 14.6°C | 9.8°C | 5.0°C | 19.0°C | 0.6°C | 113 mm | 86% | 3 m/s | 3.8 |
| 2021 | 15.3°C | 10.6°C | 5.9°C | 21.8°C | 2.1°C | 75 mm | 86% | 2.9 m/s | 3.8 |
| 2020 | 14.9°C | 10.3°C | 5.7°C | 20.6°C | 2.8°C | 87 mm | 86% | 2.9 m/s | 4 |
| 2019 | 16.6°C | 11.1°C | 5.5°C | 23.5°C | 1.9°C | 71 mm | 79% | 2.7 m/s | 3.9 |
| 2018 | 14.8°C | 9.9°C | 5.1°C | 22.2°C | 1.1°C | 93 mm | 85% | 3.1 m/s | 3.7 |
| 2017 | 15.2°C | 10.8°C | 6.3°C | 20.7°C | 1.1°C | 65 mm | 85% | 3.2 m/s | 3.5 |
| 2016 | 14.1°C | 9.3°C | 4.6°C | 18.8°C | 0.3°C | 79 mm | 85% | 3 m/s | 3.5 |
| 2015 | 16.2°C | 11.1°C | 6.1°C | 22.5°C | 2.4°C | 62 mm | 83% | 2.7 m/s | 3.6 |
| 2014 🔥 | 17.4°C | 12.1°C | 6.9°C | 20.9°C | 1.8°C | 73 mm | 83% | 2.7 m/s | 3.7 |
| 2013 | 16.3°C | 11.8°C | 7.3°C | 21.3°C | 2.7°C | 98 mm | 87% | 3 m/s | 3.5 |
| 2012 | 16.4°C | 10.9°C | 5.5°C | 21.3°C | 1.9°C | 62 mm | 82% | 2.6 m/s | 3.8 |
| 2011 | 16.3°C | 11.0°C | 5.7°C | 22.0°C | 1.8°C | 81 mm | 84% | 2.9 m/s | 3.9 |
| 2010 | 15.9°C | 10.2°C | 4.5°C | 21.6°C | 0.8°C | 39 mm | 79% | 2.3 m/s | 3.9 |
| 2009 | 15.1°C | 10.8°C | 6.5°C | 18.4°C | 2.7°C | 89 mm | 88% | 2.9 m/s | 3.5 |
| 2008 | 14.9°C | 9.2°C | 3.6°C | 18.1°C | 0.9°C | 14 mm | 82% | 2.6 m/s | 4 |
| 2007 | 15.4°C | 10.7°C | 6.0°C | 19.4°C | 1.4°C | 79 mm | 86% | 3 m/s | 3.7 |
| 2006 | 17.1°C | 11.9°C | 6.6°C | 23.5°C | 1.8°C | 105 mm | 83% | 3.2 m/s | 3.7 |
| 2005 | 14.6°C | 10.0°C | 5.3°C | 19.1°C | 0.7°C | 81 mm | 86% | 2.8 m/s | 3.5 |
| 2004 | 13.7°C | 9.4°C | 5.2°C | 16.8°C | 0.7°C | 106 mm | 87% | 3.2 m/s | 3.6 |
| 2003 | 14.6°C | 9.9°C | 5.2°C | 16.8°C | 2.2°C | 85 mm | 86% | 2.7 m/s | 3.7 |
| 2002 | 14.7°C | 9.8°C | 4.8°C | 18.7°C | 0.6°C | 74 mm | 85% | 2.8 m/s | 3.8 |
| 2001 | 15.3°C | 10.1°C | 5.0°C | 19.0°C | 1.0°C | 91 mm | 84% | 2.5 m/s | 3.9 |
| 2000 | 13.9°C | 9.1°C | 4.4°C | 17.3°C | 1.4°C | 88 mm | 86% | 3 m/s | 3.6 |
| 1999 | 14.9°C | 10.0°C | 5.1°C | 19.8°C | 1.6°C | 91 mm | 85% | 3 m/s | 3.8 |
| 1998 | 16.3°C | 11.8°C | 7.4°C | 22.9°C | 2.4°C | 114 mm | 86% | 3.1 m/s | 3.4 |
| 1997 | 15.0°C | 10.0°C | 5.0°C | 19.1°C | 1.1°C | 86 mm | 84% | 2.7 m/s | 3.7 |
| 1996 | 14.2°C | 9.6°C | 4.9°C | 19.6°C | 0.6°C | 73 mm | 87% | 3 m/s | 3.8 |
| 1995 | 15.5°C | 10.7°C | 5.8°C | 21.6°C | 0.5°C | 52 mm | 86% | 3.2 m/s | 3.9 |
| 1994 | 15.9°C | 10.7°C | 5.5°C | 22.3°C | 1.6°C | 71 mm | 84% | 2.7 m/s | 3.8 |
| 1993 | 14.6°C | 9.8°C | 4.9°C | 19.6°C | 1.7°C | 74 mm | 85% | 3.1 m/s | 3.7 |
| 1992 | 13.4°C | 9.2°C | 5.1°C | 17.2°C | -0.7°C | 114 mm | 89% | 3.3 m/s | 3.5 |
| 1991 | 14.7°C | 9.9°C | 5.0°C | 20.1°C | 1.3°C | 77 mm | 86% | 3.1 m/s | 3.9 |
| 1990 | 13.4°C | 8.8°C | 4.2°C | 16.9°C | -0.5°C | 56 mm | 85% | 3.1 m/s | 3.7 |
| 1989 | 14.7°C | 9.4°C | 4.0°C | 19.8°C | 0.2°C | 65 mm | 82% | 2.5 m/s | 4.1 |
| 1988 | 14.7°C | 9.8°C | 4.9°C | 19.2°C | 1.0°C | 75 mm | 86% | 3 m/s | 3.7 |
| 1987 | 15.7°C | 10.0°C | 4.3°C | 21.0°C | 0.5°C | 47 mm | 81% | 2.4 m/s | 3.7 |
| 1986 ❄️ | 13.5°C | 8.6°C | 3.6°C | 18.8°C | 1.0°C | 60 mm | 87% | 2.7 m/s | 3.8 |
| 1985 | 14.4°C | 9.9°C | 5.4°C | 19.2°C | 0.8°C | 101 mm | 86% | 3.2 m/s | 3.6 |
| 1984 | 14.1°C | 9.6°C | 5.0°C | 18.7°C | 2.0°C | 62 mm | 86% | 3.1 m/s | 3.8 |
| 1983 | 15.5°C | 11.0°C | 6.6°C | 20.0°C | 0.1°C | 112 mm | 87% | 3.4 m/s | — |
| 1982 | 16.6°C | 10.7°C | 4.9°C | 21.7°C | 0.2°C | 76 mm | 84% | 2.6 m/s | — |
| 1981 | 13.9°C | 9.5°C | 5.2°C | 17.1°C | 0.7°C | 84 mm | 86% | 3.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 15.2°C with lows near 5.4°C (mean 10.3°C), based on 45 years of NASA POWER data.
August averages 80 mm of rainfall in Narrogin, a relatively wet time of year. The wettest on record was 127 mm in 2025.
The hottest August reached 23.5°C in 2006. The coldest dipped to -0.7°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.6°C. Daytime highs moved from 14.9°C to 15.5°C and overnight lows from 5.4°C to 5.9°C over the same span.
August is one of the cooler months of the year in Narrogin and a relatively wet time of year, so plan for around 15.2°C daytime highs and 5.4°C at night.
Not quite — August is the 2nd coolest month in Narrogin, averaging 10.3°C.
For August in Narrogin, pack warm layers and a jacket for chilly mornings, with typical highs of 15.2°C and lows of 5.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 85% — quite humid.
Average wind speed in August is 2.9 m/s. The windiest August on record averaged 3.5 m/s (2024).
The wettest August on record was 2025 with 127 mm. On average, August sees 80 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 Narrogin 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.
