August is one of the warmer months of the year in Snellville, with average highs near 32.4°C and lows around 20.4°C (mean 26.4°C). It is about average for rainfall, averaging 110 mm of rainfall and 71% relative humidity across the period.
August is one of the warmer months of the year in Snellville. Across 45 years of records, the warmest August in Snellville was 2007 — when the month averaged 29.8°C — while the coldest was 1994 at 24°C. Typical August days reach 32.4°C with nights near 20.4°C. The long-term trend is warming, about 0.2°C per decade.
August is about average for rainfall in Snellville, averaging 110 mm of rainfall. The wettest August on record was 1992 with 204 mm, while the driest was 1997 at 43 mm.
Relative humidity in Snellville during August averages 71%. The most humid August was 2013 at 83%, and the least humid was 1999 at 58%.
August receives about 5.4 kWh/m²/day of solar energy in Snellville. The sunniest August was 2024 at 6.6 kWh/m²/day, and the cloudiest was 1992 at 4.8.
Average wind speed in Snellville during August is 0.5 m/s. The windiest Augusts were 1995 and 2008 at 0.6 m/s, while the calmest were 2019, 2020 and 2022, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.1°C | 26.1°C | 26.8°C | 26.6°C | 26.7°C | +0.6°C |
| Avg High | 31.9°C | 32.1°C | 33.0°C | 32.5°C | 32.7°C | +0.8°C |
| Avg Low | 20.2°C | 20.1°C | 20.5°C | 20.8°C | 20.7°C | +0.5°C |
| Avg Rain | 89 mm | 120 mm | 103 mm | 112 mm | 132 mm | +43 mm |
August temperatures in Snellville have risen by about 1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 12.5°C (1986) to a record high of 41.5°C (1995).
Rainfall in August is about average for rainfall, averaging 110 mm, with a wettest year of 204 mm.
One of the best times to visit Snellville
August is one of the best times to visit Snellville. Expect days averaging 32.4°C and nights around 20.4°C (mean 26.4°C) — warmer than Snellville's yearly average — with higher rainfall (110 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 30.4°C | 25.0°C | 19.6°C | 36.4°C | 13.7°C | 161 mm | 77% | 0.5 m/s | 4.9 |
| 2024 | 34.6°C | 27.6°C | 20.6°C | 37.8°C | 15.3°C | 57 mm | 65% | 0.5 m/s | 6.6 |
| 2023 | 34.0°C | 27.5°C | 21.0°C | 39.6°C | 17.7°C | 149 mm | 71% | 0.5 m/s | 5.8 |
| 2022 | 32.4°C | 26.7°C | 20.9°C | 35.5°C | 19.0°C | 94 mm | 73% | 0.4 m/s | 5.3 |
| 2021 | 32.5°C | 26.8°C | 21.0°C | 36.5°C | 17.6°C | 152 mm | 73% | 0.5 m/s | 5.4 |
| 2020 | 32.3°C | 26.7°C | 21.1°C | 36.1°C | 18.0°C | 181 mm | 74% | 0.4 m/s | 5.4 |
| 2019 | 34.1°C | 27.5°C | 21.0°C | 37.7°C | 16.7°C | 100 mm | 68% | 0.4 m/s | 6 |
| 2018 | 30.9°C | 25.6°C | 20.4°C | 34.9°C | 14.9°C | 120 mm | 77% | 0.5 m/s | 5.7 |
| 2017 | 31.2°C | 25.7°C | 20.1°C | 35.3°C | 17.2°C | 129 mm | 72% | 0.5 m/s | 5.3 |
| 2016 | 34.0°C | 28.0°C | 22.0°C | 37.5°C | 19.2°C | 108 mm | 70% | 0.5 m/s | 5.7 |
| 2015 | 32.0°C | 26.4°C | 20.7°C | 38.3°C | 14.7°C | 169 mm | 73% | 0.5 m/s | 5.7 |
| 2014 | 33.0°C | 26.4°C | 19.8°C | 36.7°C | 15.3°C | 77 mm | 66% | 0.5 m/s | 6 |
| 2013 | 29.3°C | 24.6°C | 20.0°C | 32.9°C | 15.2°C | 151 mm | 83% | 0.4 m/s | 5 |
| 2012 | 31.6°C | 25.7°C | 19.8°C | 36.5°C | 15.8°C | 102 mm | 74% | 0.4 m/s | 5.2 |
| 2011 | 35.2°C | 28.3°C | 21.4°C | 37.8°C | 17.7°C | 46 mm | 63% | 0.5 m/s | 6 |
| 2010 | 33.7°C | 28.0°C | 22.3°C | 37.8°C | 17.2°C | 123 mm | 74% | 0.4 m/s | 5.6 |
| 2009 | 32.2°C | 26.1°C | 19.9°C | 36.8°C | 16.9°C | 122 mm | 73% | 0.4 m/s | 5.3 |
| 2008 | 32.6°C | 26.4°C | 20.1°C | 38.1°C | 17.4°C | 133 mm | 68% | 0.6 m/s | 5.2 |
| 2007 🔥 | 37.0°C | 29.8°C | 22.6°C | 40.6°C | 20.0°C | 67 mm | 60% | 0.4 m/s | 5.8 |
| 2006 | 34.6°C | 28.2°C | 21.8°C | 38.7°C | 18.3°C | 111 mm | 68% | 0.4 m/s | 5.2 |
| 2005 | 31.5°C | 26.2°C | 21.0°C | 36.1°C | 17.3°C | 172 mm | 79% | 0.5 m/s | 5.1 |
| 2004 | 31.6°C | 25.2°C | 18.7°C | 35.9°C | 13.2°C | 85 mm | 69% | 0.4 m/s | 5.6 |
| 2003 | 30.8°C | 25.9°C | 21.0°C | 33.8°C | 18.7°C | 91 mm | 80% | 0.4 m/s | 5.3 |
| 2002 | 34.2°C | 27.2°C | 20.3°C | 38.1°C | 16.3°C | 60 mm | 61% | 0.5 m/s | 5.7 |
| 2001 | 32.1°C | 26.2°C | 20.2°C | 35.6°C | 15.6°C | 57 mm | 70% | 0.5 m/s | 5.2 |
| 2000 | 33.2°C | 26.5°C | 19.7°C | 38.9°C | 15.9°C | 130 mm | 65% | 0.5 m/s | 5.7 |
| 1999 | 35.8°C | 28.0°C | 20.2°C | 40.1°C | 14.6°C | 69 mm | 58% | 0.5 m/s | 6.2 |
| 1998 | 33.1°C | 26.2°C | 19.3°C | 37.1°C | 14.5°C | 112 mm | 65% | 0.5 m/s | 5.7 |
| 1997 | 31.1°C | 25.1°C | 19.1°C | 35.1°C | 13.8°C | 43 mm | 70% | 0.5 m/s | 5.6 |
| 1996 | 32.2°C | 26.2°C | 20.1°C | 34.8°C | 17.1°C | 103 mm | 71% | 0.4 m/s | 5.2 |
| 1995 | 33.5°C | 27.7°C | 21.9°C | 41.5°C | 19.4°C | 175 mm | 71% | 0.6 m/s | 5.1 |
| 1994 ❄️ | 28.9°C | 24.0°C | 19.1°C | 32.3°C | 16.4°C | 165 mm | 80% | 0.5 m/s | 5.3 |
| 1993 | 33.6°C | 27.3°C | 21.0°C | 38.2°C | 17.5°C | 62 mm | 66% | 0.5 m/s | 5.3 |
| 1992 🌧️ | 29.5°C | 24.2°C | 18.9°C | 35.3°C | 12.8°C | 204 mm | 76% | 0.5 m/s | 4.8 |
| 1991 | 29.2°C | 24.6°C | 19.9°C | 33.1°C | 14.0°C | 149 mm | 82% | 0.5 m/s | 5.1 |
| 1990 | 33.8°C | 27.4°C | 21.0°C | 37.6°C | 17.0°C | 114 mm | 65% | 0.4 m/s | 5.5 |
| 1989 | 29.7°C | 24.6°C | 19.5°C | 33.5°C | 13.4°C | 68 mm | 79% | 0.4 m/s | 5.6 |
| 1988 | 33.5°C | 27.3°C | 21.1°C | 38.3°C | 16.6°C | 106 mm | 69% | 0.5 m/s | 5.2 |
| 1987 | 34.7°C | 28.1°C | 21.6°C | 38.2°C | 17.8°C | 59 mm | 64% | 0.5 m/s | 5.5 |
| 1986 | 32.1°C | 26.2°C | 20.3°C | 38.6°C | 12.5°C | 116 mm | 68% | 0.5 m/s | 4.9 |
| 1985 | 29.9°C | 24.6°C | 19.2°C | 33.9°C | 14.3°C | 115 mm | 77% | 0.5 m/s | 5.2 |
| 1984 | 29.4°C | 24.5°C | 19.5°C | 32.0°C | 16.8°C | 91 mm | 81% | 0.5 m/s | 4.9 |
| 1983 | 35.4°C | 28.5°C | 21.6°C | 40.9°C | 16.1°C | 55 mm | 60% | 0.5 m/s | — |
| 1982 | 30.7°C | 25.0°C | 19.4°C | 34.3°C | 15.7°C | 109 mm | 76% | 0.5 m/s | — |
| 1981 | 31.9°C | 25.7°C | 19.5°C | 37.3°C | 16.1°C | 86 mm | 69% | 0.5 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 32.4°C with lows near 20.4°C (mean 26.4°C), based on 45 years of NASA POWER data.
August averages 110 mm of rainfall in Snellville, about average for rainfall. The wettest on record was 204 mm in 1992.
The hottest August reached 41.5°C in 1995. The coldest dipped to 12.5°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 31.5°C to 32.8°C and overnight lows from 19.8°C to 20.6°C over the same span.
August is one of the warmer months of the year in Snellville and about average for rainfall, so plan for around 32.4°C daytime highs and 20.4°C at night.
Not quite — August is the 11th coolest month in Snellville, averaging 26.4°C.
For August in Snellville, pack light, breathable clothing and sun protection, with typical highs of 32.4°C and lows of 20.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 71% — moderately humid.
Average wind speed in August is 0.5 m/s. The windiest August on record averaged 0.6 m/s (1995).
The wettest August on record was 1992 with 204 mm. On average, August sees 110 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 Snellville 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.
