August weather in Ilwaco, WA
The average temperature in Ilwaco in August is 59.0°F (51.6°F–66.5°F). Average precipitation: 1.63 inches.
August is a summer month in Ilwaco, and is warmer than the annual average of 49.8°F. Daily temperatures swing about 14.9°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 59m. For travel, August is one of the best months of the year to visit.
Avg High
66.5°F
Avg Low
51.6°F
Precipitation
1.63 in
Daylight
13h 59m
August records in Ilwaco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 73.0°F (1994) | 42.1°F (1969) | 0.33 in (1985) |
| August 2 | 78.1°F (2002) | 41.0°F (1969) | 0.53 in (1996) |
| August 3 | 90.0°F (2017) | 43.0°F (1984) | 0.33 in (2007) |
| August 4 | 89.1°F (1993) | 39.9°F (1982) | 0.20 in (2004) |
| August 5 | 91.9°F (2012) | 42.1°F (1982) | 0.24 in (2014) |
| August 6 | 71.1°F (1983) | 41.0°F (1974) | 0.70 in (2004) |
| August 7 | 84.0°F (1972) | 42.1°F (1969) | 1.09 in (1995) |
| August 8 | 93.0°F (1978) | 44.1°F (1967) | 0.44 in (1975) |
| August 9 | 84.9°F (2004) | 44.1°F (1995) | 0.68 in (1994) |
| August 10 | 99.0°F (1981) | 44.1°F (1989) | 0.08 in (2010) |
| August 11 | 86.0°F (1992) | 43.0°F (1985) | 0.57 in (2009) |
| August 12 | 91.9°F (1992) | 44.1°F (1989) | 0.31 in (2009) |
| August 13 | 84.0°F (2002) | 42.1°F (1972) | 0.61 in (1968) |
| August 14 | 93.9°F (2002) | 39.9°F (1984) | 0.84 in (1976) |
| August 15 | 91.9°F (2010) | 39.0°F (1982) | 0.63 in (1978) |
| August 16 | 79.0°F (2012) | 39.0°F (1970) | 1.95 in (1976) |
| August 17 | 84.0°F (1985) | 37.9°F (1973) | 0.52 in (1990) |
| August 18 | 75.0°F (1997) | 41.0°F (1972) | 0.54 in (1968) |
| August 19 | 82.9°F (1972) | 36.0°F (1973) | 0.53 in (1979) |
| August 20 | 93.9°F (2016) | 39.0°F (1973) | 1.17 in (2008) |
| August 21 | 75.9°F (1999) | 42.1°F (1974) | 0.65 in (2008) |
| August 22 | 89.1°F (2018) | 39.0°F (1973) | 1.90 in (2004) |
| August 23 | 84.9°F (1988) | 39.9°F (1985) | 0.86 in (2001) |
| August 24 | 81.0°F (1985) | 39.9°F (1992) | 1.13 in (1978) |
| August 25 | 84.9°F (1967) | 39.9°F (1985) | 1.45 in (1977) |
| August 26 | 88.0°F (2016) | 42.1°F (1973) | 0.53 in (1997) |
| August 27 | 82.0°F (2016) | 42.1°F (1993) | 1.18 in (1968) |
| August 28 | 82.9°F (1972) | 37.0°F (1984) | 0.74 in (1975) |
| August 29 | 81.0°F (2017) | 36.0°F (1980) | 1.79 in (1991) |
| August 30 | 84.0°F (1968) | 41.0°F (1984) | 1.22 in (1977) |
| August 31 | 82.9°F (1987) | 39.0°F (1973) | 0.97 in (1991) |