August weather in Sequim, WA
The average temperature in Sequim in August is 60.7°F (51.1°F–70.4°F). Average precipitation: 0.56 inches.
August is a summer month in Sequim, and is warmer than the annual average of 48.9°F. Daily temperatures swing about 19.3°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 14h 7m. For travel, August is one of the best months of the year to visit.
Avg High
70.4°F
Avg Low
51.1°F
Precipitation
0.56 in
Daylight
14h 7m
August records in Sequim
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 82.9°F (2017) | 43.0°F (1987) | 0.30 in (1989) |
| August 2 | 90.0°F (2017) | 15.1°F (2018) | 0.15 in (2013) |
| August 3 | 84.0°F (1993) | 39.9°F (2014) | 0.10 in (2004) |
| August 4 | 84.0°F (2017) | 39.9°F (1983) | 0.09 in (1999) |
| August 5 | 84.9°F (2012) | 42.1°F (1982) | 0.71 in (1999) |
| August 6 | 79.0°F (1981) | 42.1°F (1982) | 0.70 in (1995) |
| August 7 | 84.9°F (1986) | 46.0°F (1987) | 0.35 in (1995) |
| August 8 | 88.0°F (1981) | 45.0°F (1992) | 0.21 in (1985) |
| August 9 | 91.0°F (1981) | 42.1°F (1992) | 0.12 in (1991) |
| August 10 | 86.0°F (1981) | 42.1°F (1992) | 0.26 in (2019) |
| August 11 | 87.1°F (2015) | 41.0°F (1989) | 0.32 in (2018) |
| August 12 | 93.0°F (2025) | 42.1°F (1989) | 0.66 in (2014) |
| August 13 | 87.1°F (2025) | 42.1°F (1995) | 0.54 in (1987) |
| August 14 | 82.9°F (2010) | 37.9°F (1982) | 0.16 in (2013) |
| August 15 | 84.9°F (2012) | 35.1°F (2001) | 0.22 in (2025) |
| August 16 | 84.0°F (1985) | 35.1°F (2001) | 0.42 in (2005) |
| August 17 | 79.0°F (1985) | 39.9°F (1986) | 1.18 in (1995) |
| August 18 | 91.0°F (2016) | 39.9°F (1986) | 0.33 in (2024) |
| August 19 | 84.9°F (2016) | 33.1°F (2001) | 0.23 in (2002) |
| August 20 | 86.0°F (2018) | 39.9°F (1983) | 0.03 in (2007) |
| August 21 | 81.0°F (1986) | 41.0°F (1988) | 0.72 in (2004) |
| August 22 | 77.0°F (1983) | 39.9°F (1987) | 0.26 in (2001) |
| August 23 | 81.0°F (2025) | 39.0°F (1999) | 0.05 in (2001) |
| August 24 | 89.1°F (2025) | 37.9°F (1992) | 0.64 in (2004) |
| August 25 | 84.9°F (2016) | 37.0°F (2001) | 0.11 in (2004) |
| August 26 | 77.0°F (1982) | 39.0°F (1992) | 0.31 in (2008) |
| August 27 | 82.0°F (2017) | 39.0°F (1995) | 0.28 in (1984) |
| August 28 | 82.0°F (1986) | 37.0°F (1984) | 0.32 in (2005) |
| August 29 | 82.0°F (1998) | 37.9°F (1985) | 0.26 in (2015) |
| August 30 | 75.9°F (1987) | 39.0°F (1984) | 0.40 in (1983) |
| August 31 | 79.0°F (1987) | 39.0°F (1999) | 0.34 in (1991) |