August weather in Tustin, CA
The average temperature in Tustin in August is 75.0°F (65.3°F–84.6°F). Average precipitation: 0.00 inches.
August is a summer month in Tustin, and is warmer than the annual average of 66.1°F. Daily temperatures swing about 19.3°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 15m. For travel, August is a comfortable month to visit.
Avg High
84.6°F
Avg Low
65.3°F
Precipitation
0.00 in
Daylight
13h 15m
August records in Tustin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1930) | 51.1°F (1924) | 0.00 in (1916) |
| August 2 | 97.0°F (1918) | 50.0°F (1950) | 0.00 in (1916) |
| August 3 | 100.0°F (1918) | 46.9°F (1932) | 0.03 in (2014) |
| August 4 | 96.1°F (1918) | 48.0°F (1950) | 0.00 in (1916) |
| August 5 | 99.0°F (1997) | 50.0°F (1951) | 0.01 in (2006) |
| August 6 | 100.9°F (1983) | 46.0°F (1950) | 0.10 in (1983) |
| August 7 | 99.0°F (1983) | 46.9°F (1950) | 0.02 in (1963) |
| August 8 | 97.0°F (1950) | 50.0°F (1948) | 0.00 in (1916) |
| August 9 | 97.0°F (1935) | 52.0°F (1948) | 0.14 in (1936) |
| August 10 | 105.1°F (1935) | 50.0°F (1948) | 0.15 in (1942) |
| August 11 | 99.0°F (1935) | 46.9°F (1919) | 0.01 in (1965) |
| August 12 | 100.0°F (1994) | 46.9°F (1919) | 0.63 in (1972) |
| August 13 | 100.0°F (1983) | 46.9°F (1919) | 0.03 in (1958) |
| August 14 | 98.1°F (2015) | 32.0°F (1995) | 0.15 in (1987) |
| August 15 | 99.0°F (2007) | 50.0°F (1950) | 0.30 in (1958) |
| August 16 | 97.0°F (2015) | 46.0°F (1918) | 0.03 in (1977) |
| August 17 | 100.0°F (1945) | 45.0°F (1918) | 1.79 in (1977) |
| August 18 | 106.0°F (2020) | 48.0°F (1924) | 0.26 in (1977) |
| August 19 | 96.1°F (1973) | 48.0°F (1925) | 0.12 in (1983) |
| August 20 | 99.0°F (1940) | 48.0°F (1925) | 1.02 in (2023) |
| August 21 | 98.1°F (1982) | 45.0°F (1959) | 0.96 in (2023) |
| August 22 | 100.9°F (1969) | 48.0°F (1918) | 0.10 in (1926) |
| August 23 | 100.0°F (1968) | 50.0°F (1925) | 0.09 in (2025) |
| August 24 | 100.0°F (1931) | 48.0°F (1948) | 0.23 in (1933) |
| August 25 | 100.9°F (1931) | 48.0°F (1946) | 0.00 in (1916) |
| August 26 | 102.0°F (2009) | 50.0°F (1920) | 0.09 in (1935) |
| August 27 | 105.1°F (2009) | 46.9°F (1920) | 0.03 in (1935) |
| August 28 | 100.0°F (2009) | 48.0°F (1920) | 0.14 in (1927) |
| August 29 | 100.0°F (1929) | 50.0°F (1946) | 0.23 in (1951) |
| August 30 | 100.0°F (1929) | 46.0°F (1947) | 0.00 in (1916) |
| August 31 | 102.9°F (1955) | 46.9°F (1941) | 0.00 in (1916) |