August weather in Morro Bay, CA
The average temperature in Morro Bay in August is 63.2°F (56.8°F–69.7°F). Average precipitation: 0.02 inches.
August is a summer month in Morro Bay, and is warmer than the annual average of 59.5°F. Daily temperatures swing about 12.9°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 20m. For travel, August is one of the best months of the year to visit.
Avg High
69.7°F
Avg Low
56.8°F
Precipitation
0.02 in
Daylight
13h 20m
August records in Morro Bay
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 79.0°F (1977) | 44.1°F (1992) | 0.01 in (2024) |
| August 2 | 78.1°F (2015) | 45.0°F (1991) | 0.04 in (2017) |
| August 3 | 79.0°F (2014) | 44.1°F (1992) | 0.01 in (1988) |
| August 4 | 80.1°F (2015) | 43.0°F (1992) | 0.05 in (1962) |
| August 5 | 80.1°F (2015) | 48.0°F (1970) | 0.01 in (1962) |
| August 6 | 82.0°F (2014) | 45.0°F (1976) | 0.00 in (1959) |
| August 7 | 95.0°F (1984) | 48.0°F (1985) | 0.00 in (1959) |
| August 8 | 82.9°F (1975) | 46.0°F (1987) | 0.01 in (2025) |
| August 9 | 79.0°F (2014) | 46.9°F (1992) | 0.01 in (2024) |
| August 10 | 77.0°F (2011) | 48.0°F (1992) | 0.14 in (2023) |
| August 11 | 78.1°F (2015) | 46.9°F (1985) | 0.00 in (1959) |
| August 12 | 80.1°F (2011) | 46.9°F (1985) | 0.10 in (1965) |
| August 13 | 84.0°F (1991) | 46.9°F (1985) | 0.06 in (1991) |
| August 14 | 87.1°F (1994) | 48.0°F (1989) | 0.03 in (1987) |
| August 15 | 82.0°F (2015) | 48.0°F (1992) | 0.13 in (1976) |
| August 16 | 81.0°F (2015) | 48.9°F (1992) | 0.20 in (1976) |
| August 17 | 78.1°F (1984) | 46.9°F (1992) | 0.02 in (2023) |
| August 18 | 81.0°F (2012) | 46.9°F (1963) | 0.67 in (1983) |
| August 19 | 82.0°F (1984) | 48.0°F (1987) | 0.49 in (1976) |
| August 20 | 79.0°F (1981) | 46.0°F (1987) | 0.78 in (1976) |
| August 21 | 81.0°F (1959) | 39.9°F (1992) | 0.04 in (1979) |
| August 22 | 88.0°F (1959) | 41.0°F (1992) | 0.00 in (1959) |
| August 23 | 84.0°F (1959) | 45.0°F (1989) | 0.00 in (1959) |
| August 24 | 89.1°F (1968) | 39.9°F (1992) | 0.00 in (1959) |
| August 25 | 79.0°F (2014) | 44.1°F (1992) | 0.03 in (1974) |
| August 26 | 80.1°F (1965) | 45.0°F (1992) | 0.00 in (1959) |
| August 27 | 84.0°F (2009) | 46.0°F (1992) | 0.01 in (1982) |
| August 28 | 98.1°F (2009) | 46.9°F (1969) | 0.01 in (1992) |
| August 29 | 90.0°F (2009) | 46.0°F (1960) | 0.29 in (2007) |
| August 30 | 84.9°F (1995) | 45.0°F (1992) | 0.00 in (1959) |
| August 31 | 88.0°F (2013) | 48.0°F (1992) | 0.02 in (1966) |