August weather in Cannon Beach, OR
The average temperature in Cannon Beach in August is 60.0°F (53.5°F–66.4°F). Average precipitation: 1.20 inches.
August is a summer month in Cannon Beach, and is warmer than the annual average of 51.7°F. Daily temperatures swing about 12.9°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 57m. For travel, August is one of the best months of the year to visit.
Avg High
66.4°F
Avg Low
53.5°F
Precipitation
1.20 in
Daylight
13h 57m
August records in Cannon Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 75.9°F (1993) | 39.0°F (1944) | 0.80 in (1989) |
| August 2 | 84.0°F (1939) | 43.0°F (1937) | 1.30 in (1956) |
| August 3 | 82.9°F (2017) | 43.0°F (1937) | 1.53 in (1934) |
| August 4 | 81.0°F (1932) | 43.0°F (1982) | 0.34 in (1933) |
| August 5 | 89.1°F (1940) | 23.0°F (2025) | 0.84 in (1943) |
| August 6 | 84.0°F (1940) | 43.0°F (1930) | 0.48 in (1995) |
| August 7 | 104.0°F (1978) | 44.1°F (1946) | 0.70 in (2023) |
| August 8 | 97.0°F (1939) | 41.0°F (1935) | 1.35 in (1994) |
| August 9 | 98.1°F (1981) | 43.0°F (1935) | 0.50 in (1937) |
| August 10 | 91.9°F (1981) | 42.1°F (1970) | 0.29 in (1957) |
| August 11 | 99.0°F (1992) | 46.0°F (1974) | 0.26 in (1983) |
| August 12 | 97.0°F (1992) | 45.0°F (1940) | 1.00 in (2009) |
| August 13 | 96.1°F (2002) | 45.0°F (1953) | 0.66 in (1982) |
| August 14 | 100.0°F (1942) | 45.0°F (1935) | 0.36 in (1976) |
| August 15 | 91.9°F (2020) | 43.0°F (1937) | 0.82 in (2025) |
| August 16 | 86.0°F (1950) | 41.0°F (1935) | 1.08 in (2025) |
| August 17 | 84.0°F (2020) | 42.1°F (1973) | 0.59 in (1995) |
| August 18 | 75.0°F (1933) | 39.9°F (1973) | 0.63 in (1968) |
| August 19 | 100.0°F (2016) | 39.9°F (1973) | 0.84 in (1968) |
| August 20 | 91.0°F (1966) | 37.9°F (1945) | 1.31 in (2008) |
| August 21 | 91.0°F (2018) | 39.9°F (1945) | 1.00 in (2004) |
| August 22 | 95.0°F (1933) | 41.0°F (1987) | 3.10 in (2001) |
| August 23 | 80.1°F (1933) | 43.0°F (1938) | 1.40 in (1968) |
| August 24 | 80.1°F (1992) | 41.0°F (1935) | 0.95 in (1963) |
| August 25 | 87.1°F (1933) | 42.1°F (1935) | 0.78 in (1977) |
| August 26 | 98.1°F (1935) | 42.1°F (1939) | 1.57 in (1941) |
| August 27 | 96.1°F (2019) | 42.1°F (1971) | 1.10 in (1941) |
| August 28 | 93.0°F (1931) | 26.1°F (1982) | 0.58 in (1951) |
| August 29 | 96.1°F (2019) | 32.0°F (1986) | 1.47 in (1943) |
| August 30 | 89.1°F (1968) | 41.0°F (1965) | 1.32 in (1937) |
| August 31 | 87.1°F (1993) | 32.0°F (1986) | 1.07 in (1961) |