August is one of the warmer months of the year in Griffin, with average highs near 33.4°C and lows around 20.9°C (mean 27.2°C). It is about average for rainfall, averaging 103 mm of rainfall and 72% relative humidity across the period.
August is one of the warmer months of the year in Griffin. Across 45 years of records, the warmest August in Griffin was 2007 — when the month averaged 29.8°C — while the coldest was 1994 at 24.5°C. Typical August days reach 33.4°C with nights near 20.9°C. The long-term trend is warming, about 0.2°C per decade.
August is about average for rainfall in Griffin, averaging 103 mm of rainfall. The wettest August on record was 1992 with 173 mm, while the driest was 1997 at 39 mm.
Relative humidity in Griffin during August averages 72%. The most humid August was 2013 at 82%, and the least humid was 1999 at 60%.
August receives about 5.4 kWh/m²/day of solar energy in Griffin. The sunniest August was 2024 at 6.6 kWh/m²/day, and the cloudiest was 1992 at 4.8.
Average wind speed in Griffin during August is 0.1 m/s. The windiest Augusts were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.8°C | 26.8°C | 27.3°C | 27.4°C | 27.5°C | +0.7°C |
| Avg High | 32.9°C | 33.1°C | 33.6°C | 33.6°C | 33.8°C | +0.9°C |
| Avg Low | 20.6°C | 20.5°C | 21.0°C | 21.2°C | 21.1°C | +0.5°C |
| Avg Rain | 90 mm | 97 mm | 108 mm | 101 mm | 125 mm | +35 mm |
August temperatures in Griffin have risen by about 1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 12.4°C (1986) to a record high of 41.7°C (2007).
Rainfall in August is about average for rainfall, averaging 103 mm, with a wettest year of 173 mm.
A good time to visit Griffin
August is a good time to visit Griffin, with days averaging 33.4°C and nights around 20.9°C (mean 27.2°C, warmer than Griffin's yearly average) and higher rainfall. May and September 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 | 32.1°C | 26.2°C | 20.3°C | 37.6°C | 14.1°C | 124 mm | 75% | 0.1 m/s | 4.9 |
| 2024 | 35.2°C | 28.0°C | 20.8°C | 38.7°C | 16.7°C | 45 mm | 67% | 0.1 m/s | 6.6 |
| 2023 | 36.2°C | 28.9°C | 21.6°C | 39.9°C | 17.8°C | 123 mm | 68% | 0.1 m/s | 5.8 |
| 2022 | 32.6°C | 26.8°C | 21.0°C | 35.7°C | 19.3°C | 145 mm | 76% | 0.1 m/s | 5.3 |
| 2021 | 32.9°C | 27.2°C | 21.4°C | 37.2°C | 18.4°C | 169 mm | 76% | 0.1 m/s | 5.4 |
| 2020 | 33.6°C | 27.6°C | 21.5°C | 37.6°C | 19.3°C | 143 mm | 74% | 0.1 m/s | 5.4 |
| 2019 | 35.4°C | 28.5°C | 21.6°C | 39.6°C | 16.7°C | 90 mm | 67% | 0.1 m/s | 6 |
| 2018 | 32.2°C | 26.5°C | 20.7°C | 35.6°C | 17.3°C | 117 mm | 77% | 0.1 m/s | 5.7 |
| 2017 | 32.4°C | 26.6°C | 20.8°C | 37.2°C | 18.2°C | 124 mm | 74% | 0.1 m/s | 5.3 |
| 2016 | 34.9°C | 28.5°C | 22.2°C | 39.3°C | 20.6°C | 90 mm | 70% | 0.1 m/s | 5.7 |
| 2015 | 33.3°C | 27.2°C | 21.0°C | 39.1°C | 14.4°C | 135 mm | 72% | 0.1 m/s | 5.7 |
| 2014 | 33.8°C | 27.0°C | 20.3°C | 38.0°C | 15.9°C | 63 mm | 67% | 0.1 m/s | 6 |
| 2013 | 30.6°C | 25.5°C | 20.4°C | 34.3°C | 15.0°C | 127 mm | 82% | 0.1 m/s | 5 |
| 2012 | 32.3°C | 26.4°C | 20.4°C | 37.7°C | 15.2°C | 106 mm | 75% | 0.1 m/s | 5.2 |
| 2011 | 36.0°C | 29.0°C | 21.9°C | 39.2°C | 18.4°C | 47 mm | 63% | 0.1 m/s | 6 |
| 2010 | 34.7°C | 28.8°C | 22.8°C | 37.5°C | 18.7°C | 108 mm | 74% | 0.1 m/s | 5.6 |
| 2009 | 32.5°C | 26.6°C | 20.6°C | 37.6°C | 16.3°C | 124 mm | 75% | 0.1 m/s | 5.3 |
| 2008 | 32.5°C | 26.6°C | 20.7°C | 37.8°C | 16.1°C | 159 mm | 73% | 0.1 m/s | 5.2 |
| 2007 🔥 | 36.9°C | 29.8°C | 22.8°C | 41.7°C | 20.2°C | 100 mm | 64% | 0.1 m/s | 5.8 |
| 2006 | 35.5°C | 28.9°C | 22.2°C | 38.6°C | 19.2°C | 102 mm | 69% | 0.1 m/s | 5.2 |
| 2005 | 31.7°C | 26.6°C | 21.5°C | 36.2°C | 17.8°C | 147 mm | 81% | 0.1 m/s | 5.1 |
| 2004 | 32.8°C | 26.0°C | 19.2°C | 38.0°C | 13.5°C | 102 mm | 69% | 0.1 m/s | 5.6 |
| 2003 | 31.5°C | 26.5°C | 21.4°C | 35.1°C | 19.5°C | 113 mm | 82% | 0.1 m/s | 5.3 |
| 2002 | 34.5°C | 27.5°C | 20.5°C | 38.5°C | 15.9°C | 52 mm | 66% | 0.1 m/s | 5.7 |
| 2001 | 33.2°C | 26.8°C | 20.3°C | 36.7°C | 15.6°C | 59 mm | 70% | 0.1 m/s | 5.2 |
| 2000 | 34.7°C | 27.5°C | 20.3°C | 40.6°C | 16.5°C | 119 mm | 62% | 0.1 m/s | 5.7 |
| 1999 | 36.7°C | 28.9°C | 21.0°C | 40.3°C | 16.6°C | 68 mm | 60% | 0.1 m/s | 6.2 |
| 1998 | 33.7°C | 26.7°C | 19.7°C | 38.4°C | 14.4°C | 96 mm | 66% | 0.1 m/s | 5.7 |
| 1997 | 32.5°C | 26.1°C | 19.6°C | 36.9°C | 15.1°C | 39 mm | 70% | 0.1 m/s | 5.6 |
| 1996 | 33.1°C | 26.8°C | 20.5°C | 36.0°C | 17.7°C | 86 mm | 70% | 0.1 m/s | 5.2 |
| 1995 | 34.7°C | 28.4°C | 22.1°C | 41.5°C | 19.3°C | 107 mm | 69% | 0.1 m/s | 5.1 |
| 1994 ❄️ | 29.8°C | 24.5°C | 19.3°C | 33.9°C | 15.8°C | 132 mm | 80% | 0.1 m/s | 5.3 |
| 1993 | 34.6°C | 27.9°C | 21.2°C | 38.3°C | 18.3°C | 73 mm | 67% | 0.1 m/s | 5.3 |
| 1992 🌧️ | 30.4°C | 24.9°C | 19.4°C | 35.7°C | 13.2°C | 173 mm | 77% | 0.1 m/s | 4.8 |
| 1991 | 30.5°C | 25.4°C | 20.3°C | 35.0°C | 14.0°C | 122 mm | 81% | 0.1 m/s | 5.1 |
| 1990 | 35.3°C | 28.4°C | 21.5°C | 38.7°C | 18.3°C | 75 mm | 65% | 0.1 m/s | 5.5 |
| 1989 | 31.3°C | 25.7°C | 20.1°C | 35.5°C | 14.5°C | 80 mm | 78% | 0.1 m/s | 5.6 |
| 1988 | 34.4°C | 28.0°C | 21.6°C | 38.5°C | 17.0°C | 90 mm | 69% | 0.1 m/s | 5.2 |
| 1987 | 35.3°C | 28.6°C | 21.9°C | 38.5°C | 19.4°C | 76 mm | 68% | 0.1 m/s | 5.5 |
| 1986 | 32.7°C | 26.6°C | 20.6°C | 40.4°C | 12.4°C | 127 mm | 69% | 0.1 m/s | 4.9 |
| 1985 | 32.1°C | 26.1°C | 20.1°C | 36.5°C | 14.6°C | 99 mm | 75% | 0.1 m/s | 5.2 |
| 1984 | 30.6°C | 25.3°C | 20.1°C | 33.9°C | 18.0°C | 81 mm | 81% | 0.1 m/s | 4.9 |
| 1983 | 35.5°C | 28.5°C | 21.4°C | 40.9°C | 15.4°C | 83 mm | 65% | 0.1 m/s | — |
| 1982 | 32.0°C | 25.9°C | 19.9°C | 36.0°C | 16.7°C | 80 mm | 75% | 0.1 m/s | — |
| 1981 | 32.5°C | 26.2°C | 19.9°C | 37.5°C | 16.6°C | 98 mm | 70% | 0.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 33.4°C with lows near 20.9°C (mean 27.2°C), based on 45 years of NASA POWER data.
August averages 103 mm of rainfall in Griffin, about average for rainfall. The wettest on record was 173 mm in 1992.
The hottest August reached 41.7°C in 2007. The coldest dipped to 12.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1°C. Daytime highs moved from 32.5°C to 33.8°C and overnight lows from 20.3°C to 21°C over the same span.
August is one of the warmer months of the year in Griffin and about average for rainfall, so plan for around 33.4°C daytime highs and 20.9°C at night.
Not quite — August is the 11th coolest month in Griffin, averaging 27.2°C.
For August in Griffin, pack light, breathable clothing and sun protection, with typical highs of 33.4°C and lows of 20.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 72% — moderately humid.
Average wind speed in August is 0.1 m/s. The windiest August on record averaged 0.1 m/s (1981).
The wettest August on record was 1992 with 173 mm. On average, August sees 103 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 Griffin 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.
