August is one of the cooler months of the year in Emerald, with average highs near 25.7°C and lows around 9.8°C (mean 17.8°C). It is one of the drier months, averaging 22 mm of rainfall and 56% relative humidity across the period.
August is one of the cooler months of the year in Emerald. Across 45 years of records, the warmest August in Emerald was 2009 — when the month averaged 21.6°C — while the coldest was 1983 at 15.2°C. Typical August days reach 25.7°C with nights near 9.8°C. The long-term trend is warming, about 0.5°C per decade.
August is one of the drier months in Emerald, averaging 22 mm of rainfall. The wettest August on record was 1998 with 143 mm, while the driest were 1990, 1991 and 2013 at 0 mm.
Relative humidity in Emerald during August averages 56%. The most humid August was 1983 at 75%, and the least humid was 2004 at 40%.
August receives about 5 kWh/m²/day of solar energy in Emerald. The sunniest August was 2013 at 5.6 kWh/m²/day, and the cloudiest was 1998 at 4.3.
Average wind speed in Emerald during August is 2.4 m/s. The windiest Augusts were 1982 and 1995 at 2.9 m/s, while the calmest was 2012 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.7°C | 17.8°C | 18.0°C | 18.0°C | 18.8°C | +2.1°C |
| Avg High | 24.3°C | 25.8°C | 26.0°C | 26.1°C | 26.6°C | +2.3°C |
| Avg Low | 9.0°C | 9.7°C | 9.9°C | 10.0°C | 10.9°C | +1.9°C |
| Avg Rain | 21 mm | 29 mm | 17 mm | 23 mm | 15 mm | -5 mm |
August temperatures in Emerald have risen by about 2.2°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 1.4°C (1995) to a record high of 36.4°C (2009).
Rainfall in August is one of the drier months, averaging 22 mm, with a wettest year of 143 mm.
A good time to visit Emerald
August is a good time to visit Emerald, with days averaging 25.7°C and nights around 9.8°C (mean 17.8°C, cooler than Emerald's yearly average) and low rainfall. September and April 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 | 25.5°C | 18.0°C | 10.4°C | 32.1°C | 4.7°C | 9 mm | 56% | 2.3 m/s | 5.1 |
| 2024 | 27.2°C | 19.8°C | 12.3°C | 34.9°C | 4.9°C | 37 mm | 68% | 2 m/s | 4.7 |
| 2023 | 28.3°C | 20.2°C | 12.1°C | 32.9°C | 7.5°C | 1 mm | 51% | 2.2 m/s | 5.2 |
| 2022 | 24.7°C | 17.0°C | 9.2°C | 31.9°C | 4.2°C | 24 mm | 65% | 2.4 m/s | 4.8 |
| 2021 | 27.3°C | 19.4°C | 11.5°C | 33.0°C | 6.8°C | 9 mm | 51% | 2.6 m/s | 5 |
| 2020 | 26.8°C | 18.3°C | 9.9°C | 33.0°C | 5.7°C | 12 mm | 49% | 2.5 m/s | 5.4 |
| 2019 | 26.4°C | 18.4°C | 10.4°C | 30.1°C | 4.5°C | 1 mm | 48% | 2.3 m/s | 5.1 |
| 2018 | 26.9°C | 18.1°C | 9.3°C | 31.9°C | 3.9°C | 13 mm | 42% | 2.2 m/s | 5.5 |
| 2017 | 28.0°C | 19.5°C | 10.9°C | 33.3°C | 5.8°C | 12 mm | 46% | 2.1 m/s | 5.4 |
| 2016 | 24.0°C | 17.0°C | 10.1°C | 28.6°C | 4.4°C | 31 mm | 71% | 2.5 m/s | 4.9 |
| 2015 | 27.1°C | 18.9°C | 10.8°C | 32.6°C | 4.9°C | 47 mm | 50% | 2.2 m/s | 5.1 |
| 2014 | 24.9°C | 17.3°C | 9.7°C | 28.9°C | 5.2°C | 34 mm | 56% | 2.6 m/s | 4.9 |
| 2013 | 28.5°C | 19.4°C | 10.3°C | 32.5°C | 5.5°C | 0 mm | 43% | 2 m/s | 5.6 |
| 2012 | 24.6°C | 16.6°C | 8.6°C | 29.6°C | 2.4°C | 8 mm | 61% | 1.9 m/s | 5.2 |
| 2011 | 25.2°C | 17.7°C | 10.3°C | 30.4°C | 5.7°C | 26 mm | 61% | 2.4 m/s | 4.9 |
| 2010 | 25.3°C | 17.5°C | 9.6°C | 32.7°C | 3.5°C | 61 mm | 60% | 2.5 m/s | 4.6 |
| 2009 🔥 | 30.3°C | 21.6°C | 12.8°C | 36.4°C | 6.9°C | 3 mm | 47% | 2.3 m/s | 5.4 |
| 2008 | 23.7°C | 15.6°C | 7.4°C | 30.5°C | 2.9°C | 3 mm | 58% | 2.3 m/s | 5.3 |
| 2007 | 24.9°C | 17.9°C | 11.0°C | 28.7°C | 4.1°C | 18 mm | 68% | 2.3 m/s | 4.5 |
| 2006 | 27.1°C | 18.4°C | 9.7°C | 33.0°C | 5.2°C | 12 mm | 47% | 2.1 m/s | 5.4 |
| 2005 | 24.4°C | 17.0°C | 9.6°C | 28.6°C | 3.5°C | 19 mm | 64% | 2.5 m/s | 4.8 |
| 2004 | 26.7°C | 17.9°C | 9.2°C | 30.9°C | 5.3°C | 3 mm | 40% | 2.4 m/s | 5.5 |
| 2003 | 26.5°C | 18.7°C | 10.8°C | 30.9°C | 2.0°C | 40 mm | 58% | 2.4 m/s | 4.8 |
| 2002 | 25.1°C | 17.5°C | 9.8°C | 30.0°C | 5.5°C | 34 mm | 57% | 2.5 m/s | 4.8 |
| 2001 | 26.2°C | 17.6°C | 9.0°C | 30.2°C | 5.5°C | 1 mm | 47% | 2.2 m/s | 5.4 |
| 2000 | 25.2°C | 17.3°C | 9.4°C | 31.6°C | 5.6°C | 34 mm | 59% | 2.5 m/s | 5 |
| 1999 | 25.6°C | 18.0°C | 10.4°C | 30.5°C | 5.6°C | 11 mm | 56% | 2.6 m/s | 5 |
| 1998 🌧️ | 25.5°C | 18.7°C | 11.8°C | 30.9°C | 2.7°C | 143 mm | 68% | 2.5 m/s | 4.3 |
| 1997 | 25.3°C | 17.5°C | 9.6°C | 28.8°C | 4.4°C | 12 mm | 52% | 2.3 m/s | 5 |
| 1996 | 26.3°C | 18.1°C | 10.0°C | 31.1°C | 2.1°C | 23 mm | 57% | 2.5 m/s | 4.9 |
| 1995 | 24.4°C | 16.7°C | 9.0°C | 28.7°C | 1.4°C | 30 mm | 60% | 2.9 m/s | 4.7 |
| 1994 | 25.4°C | 17.1°C | 8.9°C | 28.1°C | 3.1°C | 0 mm | 48% | 2.4 m/s | 5.2 |
| 1993 | 26.4°C | 18.4°C | 10.4°C | 30.5°C | 4.4°C | 50 mm | 52% | 2.5 m/s | 5.1 |
| 1992 | 27.0°C | 18.6°C | 10.1°C | 31.1°C | 4.4°C | 20 mm | 49% | 2.4 m/s | 5.1 |
| 1991 | 27.6°C | 18.8°C | 10.0°C | 34.2°C | 5.6°C | 0 mm | 44% | 2.4 m/s | 5.4 |
| 1990 | 24.7°C | 16.0°C | 7.2°C | 30.5°C | 3.2°C | 0 mm | 52% | 2.5 m/s | 5.3 |
| 1989 | 23.5°C | 15.5°C | 7.5°C | 31.3°C | 1.9°C | 4 mm | 62% | 2.1 m/s | 5.1 |
| 1988 | 24.4°C | 17.1°C | 9.9°C | 31.0°C | 2.1°C | 81 mm | 66% | 2.7 m/s | 4.6 |
| 1987 | 25.4°C | 17.6°C | 9.8°C | 29.2°C | 4.8°C | 18 mm | 60% | 2.5 m/s | 4.9 |
| 1986 | 23.7°C | 16.2°C | 8.6°C | 28.4°C | 4.0°C | 28 mm | 60% | 2.2 m/s | 4.7 |
| 1985 | 25.5°C | 17.5°C | 9.5°C | 30.9°C | 3.3°C | 18 mm | 62% | 2.3 m/s | 4.9 |
| 1984 | 23.8°C | 16.1°C | 8.5°C | 29.6°C | 3.2°C | 7 mm | 65% | 2.1 m/s | 5.1 |
| 1983 ❄️ | 21.8°C | 15.2°C | 8.6°C | 25.6°C | 2.5°C | 17 mm | 75% | 2.2 m/s | — |
| 1982 | 25.6°C | 18.0°C | 10.3°C | 28.3°C | 3.1°C | 2 mm | 55% | 2.9 m/s | — |
| 1981 | 25.3°C | 16.9°C | 8.4°C | 30.1°C | 3.8°C | 12 mm | 56% | 2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 25.7°C with lows near 9.8°C (mean 17.8°C), based on 45 years of NASA POWER data.
August averages 22 mm of rainfall in Emerald, one of the drier months. The wettest on record was 143 mm in 1998.
The hottest August reached 36.4°C in 2009. The coldest dipped to 1.4°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.2°C. Daytime highs moved from 24.4°C to 26.6°C and overnight lows from 9.1°C to 11.1°C over the same span.
August is one of the cooler months of the year in Emerald and one of the drier months, so plan for around 25.7°C daytime highs and 9.8°C at night.
Not quite — August is the 3rd coolest month in Emerald, averaging 17.8°C.
For August in Emerald, pack light layers you can adjust through the day, with typical highs of 25.7°C and lows of 9.8°C.
Relative humidity in August averages 56% — moderately humid.
Average wind speed in August is 2.4 m/s. The windiest August on record averaged 2.9 m/s (1982).
The wettest August on record was 1998 with 143 mm. On average, August sees 22 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 Emerald 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.
