August is one of the cooler months of the year in Richmond, with average highs near 9.4°C and lows around 2.4°C (mean 5.9°C). It is about average for rainfall, averaging 93 mm of rainfall and 89% relative humidity across the period.
August is one of the cooler months of the year in Richmond. Across 45 years of records, the warmest Augusts in Richmond were 2009 and 2020 — when the month averaged 7.4°C — while the coldest was 1992 at 4.1°C. Typical August days reach 9.4°C with nights near 2.4°C. The long-term trend is warming, about 0.2°C per decade.
August is about average for rainfall in Richmond, averaging 93 mm of rainfall. The wettest August on record was 2022 with 234 mm, while the driest was 2011 at 34 mm.
Relative humidity in Richmond during August averages 89%. The most humid August was 2017 at 93%, and the least humid was 2004 at 85%.
August receives about 2.7 kWh/m²/day of solar energy in Richmond. The sunniest August was 1993 at 3.1 kWh/m²/day, and the cloudiest was 2013 at 2.3.
Average wind speed in Richmond during August is 1.2 m/s. The windiest Augusts were 1992 and 2004 at 1.5 m/s, while the calmest were 2016, 2018 and 2023, 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 | 5.9°C | 5.3°C | 6.0°C | 6.1°C | 6.3°C | +0.4°C |
| Avg High | 9.4°C | 8.8°C | 9.5°C | 9.6°C | 9.9°C | +0.5°C |
| Avg Low | 2.3°C | 1.8°C | 2.5°C | 2.7°C | 2.7°C | +0.4°C |
| Avg Rain | 76 mm | 115 mm | 72 mm | 89 mm | 122 mm | +46 mm |
August temperatures in Richmond have stayed relatively stable across the record.
August has ranged from a record low of -4.5°C (2016) to a record high of 15.7°C (2005).
Rainfall in August is about average for rainfall, averaging 93 mm, with a wettest year of 234 mm.
A quieter season to visit Richmond
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Richmond. That said, August — with days averaging 9.4°C and nights around 2.4°C (mean 5.9°C) and higher rainfall (93 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 | 9.7°C | 5.6°C | 1.5°C | 12.5°C | -0.9°C | 48 mm | 87% | 1.2 m/s | 3 |
| 2024 | 10.2°C | 6.4°C | 2.6°C | 13.2°C | -2.4°C | 132 mm | 90% | 1.3 m/s | 2.7 |
| 2023 | 9.5°C | 5.5°C | 1.5°C | 13.0°C | -1.8°C | 73 mm | 88% | 1 m/s | 3 |
| 2022 🌧️ | 10.1°C | 6.8°C | 3.5°C | 13.9°C | -3.3°C | 234 mm | 91% | 1.4 m/s | 2.5 |
| 2021 | 9.2°C | 5.9°C | 2.7°C | 13.0°C | -2.4°C | 158 mm | 91% | 1.3 m/s | 2.5 |
| 2020 | 10.6°C | 7.4°C | 4.1°C | 13.2°C | 0.3°C | 87 mm | 90% | 1.1 m/s | 2.8 |
| 2019 | 9.0°C | 5.7°C | 2.5°C | 14.2°C | -1.2°C | 89 mm | 89% | 1.4 m/s | 2.8 |
| 2018 | 10.3°C | 7.0°C | 3.7°C | 13.4°C | 0.0°C | 116 mm | 92% | 1 m/s | 2.5 |
| 2017 | 9.9°C | 6.7°C | 3.5°C | 14.5°C | -1.2°C | 121 mm | 93% | 1.2 m/s | 2.5 |
| 2016 | 8.5°C | 4.9°C | 1.2°C | 13.9°C | -4.5°C | 77 mm | 90% | 1 m/s | 2.8 |
| 2015 | 8.9°C | 5.3°C | 1.7°C | 14.0°C | -3.5°C | 83 mm | 90% | 1.1 m/s | 2.6 |
| 2014 | 9.7°C | 5.7°C | 1.8°C | 13.5°C | -1.8°C | 40 mm | 87% | 1.2 m/s | 2.8 |
| 2013 | 10.1°C | 7.2°C | 4.3°C | 12.5°C | -1.3°C | 74 mm | 91% | 1.2 m/s | 2.3 |
| 2012 | 10.0°C | 6.8°C | 3.6°C | 13.3°C | 0.4°C | 130 mm | 91% | 1 m/s | 2.4 |
| 2011 | 9.2°C | 5.1°C | 1.1°C | 12.7°C | -3.5°C | 34 mm | 87% | 1.2 m/s | 3 |
| 2010 | 9.9°C | 6.5°C | 3.1°C | 12.9°C | -2.1°C | 124 mm | 90% | 1.1 m/s | 2.5 |
| 2009 🔥 | 10.4°C | 7.4°C | 4.3°C | 14.0°C | 0.6°C | 93 mm | 89% | 1.4 m/s | 2.5 |
| 2008 | 8.4°C | 5.1°C | 1.7°C | 14.0°C | -2.6°C | 105 mm | 89% | 1.1 m/s | 2.5 |
| 2007 | 9.3°C | 5.8°C | 2.2°C | 12.1°C | -2.1°C | 56 mm | 88% | 1.3 m/s | 2.8 |
| 2006 | 9.1°C | 5.6°C | 2.2°C | 14.5°C | -2.3°C | 70 mm | 87% | 1.2 m/s | 2.8 |
| 2005 | 10.7°C | 7.0°C | 3.2°C | 15.7°C | -0.6°C | 46 mm | 90% | 1.1 m/s | 2.9 |
| 2004 | 7.8°C | 4.3°C | 0.9°C | 10.9°C | -3.8°C | 75 mm | 85% | 1.5 m/s | 2.7 |
| 2003 | 9.4°C | 6.1°C | 2.9°C | 12.6°C | -0.4°C | 65 mm | 88% | 1.2 m/s | 2.6 |
| 2002 | 10.0°C | 6.3°C | 2.5°C | 13.0°C | -1.3°C | 61 mm | 86% | 1.3 m/s | 2.7 |
| 2001 | 9.9°C | 6.5°C | 3.1°C | 12.4°C | -2.2°C | 82 mm | 87% | 1.2 m/s | 2.5 |
| 2000 | 9.8°C | 6.0°C | 2.2°C | 13.8°C | -2.4°C | 63 mm | 88% | 1.1 m/s | 2.5 |
| 1999 | 9.7°C | 5.8°C | 1.9°C | 14.0°C | -2.1°C | 91 mm | 88% | 1.1 m/s | 2.7 |
| 1998 | 9.1°C | 5.5°C | 2.0°C | 12.2°C | -1.8°C | 77 mm | 88% | 1.2 m/s | 2.7 |
| 1997 | 8.9°C | 5.2°C | 1.6°C | 13.3°C | -2.9°C | 61 mm | 86% | 1.4 m/s | 2.7 |
| 1996 | 8.5°C | 5.0°C | 1.5°C | 10.7°C | -2.3°C | 104 mm | 88% | 1.2 m/s | 2.8 |
| 1995 | 8.7°C | 5.1°C | 1.5°C | 13.3°C | -2.8°C | 123 mm | 88% | 1.3 m/s | 2.7 |
| 1994 | 9.3°C | 5.8°C | 2.2°C | 15.2°C | -2.0°C | 102 mm | 90% | 1.2 m/s | 2.9 |
| 1993 | 8.9°C | 4.8°C | 0.7°C | 12.4°C | -3.2°C | 83 mm | 87% | 1.1 m/s | 3.1 |
| 1992 ❄️ | 7.2°C | 4.1°C | 1.0°C | 10.0°C | -4.0°C | 198 mm | 90% | 1.5 m/s | 2.7 |
| 1991 | 9.1°C | 6.0°C | 2.9°C | 12.8°C | -0.8°C | 122 mm | 91% | 1.3 m/s | 2.4 |
| 1990 | 9.0°C | 5.8°C | 2.6°C | 13.1°C | -1.3°C | 186 mm | 91% | 1.2 m/s | 2.5 |
| 1989 | 9.4°C | 6.1°C | 2.7°C | 12.8°C | -2.0°C | 124 mm | 89% | 1.1 m/s | 2.6 |
| 1988 | 9.4°C | 5.9°C | 2.5°C | 11.8°C | -2.1°C | 66 mm | 87% | 1.3 m/s | 2.6 |
| 1987 | 10.7°C | 7.1°C | 3.5°C | 12.6°C | -0.8°C | 83 mm | 91% | 1 m/s | 2.7 |
| 1986 | 8.4°C | 4.9°C | 1.3°C | 13.2°C | -2.4°C | 79 mm | 86% | 1.2 m/s | 2.8 |
| 1985 | 9.3°C | 5.6°C | 1.9°C | 12.3°C | -1.7°C | 87 mm | 88% | 1.1 m/s | 2.9 |
| 1984 | 9.3°C | 6.3°C | 3.3°C | 12.0°C | -2.6°C | 80 mm | 90% | 1.3 m/s | 2.4 |
| 1983 | 10.1°C | 6.2°C | 2.4°C | 12.4°C | -1.9°C | 72 mm | 87% | 1.2 m/s | — |
| 1982 | 10.1°C | 6.3°C | 2.4°C | 13.5°C | -1.0°C | 34 mm | 85% | 1.4 m/s | — |
| 1981 | 8.1°C | 4.5°C | 0.9°C | 11.6°C | -2.2°C | 60 mm | 88% | 1.2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 9.4°C with lows near 2.4°C (mean 5.9°C), based on 45 years of NASA POWER data.
August averages 93 mm of rainfall in Richmond, about average for rainfall. The wettest on record was 234 mm in 2022.
The hottest August reached 15.7°C in 2005. The coldest dipped to -4.5°C in 2016.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.2°C. Daytime highs moved from 9.4°C to 9.7°C and overnight lows from 2.2°C to 2.4°C over the same span.
August is one of the cooler months of the year in Richmond and about average for rainfall, so plan for around 9.4°C daytime highs and 2.4°C at night.
Not quite — August is the 3rd coolest month in Richmond, averaging 5.9°C.
For August in Richmond, pack warm layers and a jacket for chilly mornings, with typical highs of 9.4°C and lows of 2.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 89% — quite humid.
Average wind speed in August is 1.2 m/s. The windiest August on record averaged 1.5 m/s (1992).
The wettest August on record was 2022 with 234 mm. On average, August sees 93 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 Richmond 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.
