August weather in Washington, VA
The average temperature in Washington in August is 73.0°F (62.2°F–83.8°F). Average precipitation: 4.12 inches.
August is a summer month in Washington, and is warmer than the annual average of 54.2°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 31m. For travel, August is a comfortable month to visit.
Avg High
83.8°F
Avg Low
62.2°F
Precipitation
4.12 in
Daylight
13h 31m
August records in Washington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 96.1°F (1999) | 57.0°F (1997) | 1.75 in (2018) |
| August 2 | 95.0°F (2002) | 54.0°F (1998) | 2.19 in (2004) |
| August 3 | 96.1°F (2002) | 55.0°F (1998) | 2.52 in (2018) |
| August 4 | 99.0°F (2002) | 55.9°F (1998) | 1.09 in (2010) |
| August 5 | 95.0°F (2005) | 55.0°F (2021) | 0.34 in (2020) |
| August 6 | 95.0°F (2002) | 55.0°F (1997) | 0.99 in (2020) |
| August 7 | 93.0°F (2007) | 51.1°F (2004) | 1.11 in (2016) |
| August 8 | 95.0°F (2000) | 52.0°F (2004) | 0.84 in (2023) |
| August 9 | 100.0°F (2007) | 53.1°F (2002) | 5.01 in (2024) |
| August 10 | 93.9°F (2001) | 54.0°F (1999) | 1.33 in (2007) |
| August 11 | 93.9°F (2001) | 54.0°F (2002) | 0.58 in (2021) |
| August 12 | 98.1°F (1999) | 54.0°F (2008) | 1.09 in (2001) |
| August 13 | 98.1°F (2016) | 53.1°F (2006) | 3.13 in (1996) |
| August 14 | 99.0°F (2016) | 53.1°F (2006) | 0.85 in (2025) |
| August 15 | 97.0°F (2016) | 51.1°F (2013) | 0.31 in (1999) |
| August 16 | 99.0°F (1997) | 51.1°F (2013) | 1.42 in (2019) |
| August 17 | 100.9°F (1997) | 51.1°F (2013) | 3.35 in (2021) |
| August 18 | 98.1°F (1999) | 55.0°F (2008) | 0.73 in (2016) |
| August 19 | 95.0°F (2002) | 55.9°F (2008) | 0.68 in (2024) |
| August 20 | 93.9°F (2002) | 50.0°F (1998) | 1.58 in (1999) |
| August 21 | 93.0°F (2019) | 53.1°F (2000) | 1.98 in (2018) |
| August 22 | 91.9°F (1998) | 48.9°F (2024) | 0.55 in (2009) |
| August 23 | 95.0°F (1998) | 48.9°F (2024) | 0.92 in (2009) |
| August 24 | 100.0°F (2002) | 52.0°F (2011) | 0.47 in (2001) |
| August 25 | 96.1°F (1998) | 54.0°F (2011) | 0.47 in (2015) |
| August 26 | 96.1°F (2023) | 53.1°F (2025) | 1.33 in (2007) |
| August 27 | 95.0°F (2016) | 50.0°F (2025) | 1.51 in (2021) |
| August 28 | 93.0°F (1998) | 50.0°F (2025) | 1.50 in (2008) |
| August 29 | 95.0°F (2018) | 52.0°F (2025) | 2.87 in (2008) |
| August 30 | 96.1°F (2018) | 48.0°F (2025) | 0.76 in (2017) |
| August 31 | 93.0°F (1998) | 52.0°F (1999) | 1.68 in (2001) |