August weather in San Clemente, CA
The average temperature in San Clemente in August is 71.2°F (61.2°F–81.2°F). Average precipitation: 0.02 inches.
August is a summer month in San Clemente, and is warmer than the annual average of 63.1°F. Daily temperatures swing about 20°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
81.2°F
Avg Low
61.2°F
Precipitation
0.02 in
Daylight
13h 15m
August records in San Clemente
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 91.9°F (1941) | 48.0°F (1950) | 0.00 in (1928) |
| August 2 | 90.0°F (1997) | 45.0°F (1950) | 0.00 in (1928) |
| August 3 | 90.0°F (1941) | 46.9°F (1950) | 0.00 in (1928) |
| August 4 | 93.9°F (1941) | 50.0°F (1950) | 0.02 in (1961) |
| August 5 | 91.9°F (1941) | 43.0°F (1950) | 0.00 in (1928) |
| August 6 | 95.0°F (1997) | 42.1°F (1950) | 0.03 in (1983) |
| August 7 | 91.9°F (1941) | 43.0°F (1950) | 0.05 in (1983) |
| August 8 | 93.0°F (1983) | 44.1°F (1950) | 0.00 in (1928) |
| August 9 | 90.0°F (1941) | 45.0°F (1950) | 0.01 in (1936) |
| August 10 | 87.1°F (1935) | 45.0°F (1950) | 0.00 in (1928) |
| August 11 | 88.0°F (1994) | 48.9°F (1979) | 0.00 in (1928) |
| August 12 | 97.0°F (1991) | 48.0°F (1979) | 0.19 in (1972) |
| August 13 | 90.0°F (1994) | 45.0°F (1976) | 0.11 in (1958) |
| August 14 | 90.0°F (1983) | 46.0°F (1950) | 0.28 in (1931) |
| August 15 | 96.1°F (1958) | 42.1°F (1950) | 0.10 in (1983) |
| August 16 | 86.0°F (1941) | 46.0°F (1950) | 0.50 in (1977) |
| August 17 | 93.0°F (1945) | 48.0°F (1950) | 1.75 in (1977) |
| August 18 | 90.0°F (1986) | 46.0°F (1975) | 0.38 in (1945) |
| August 19 | 91.0°F (1986) | 45.0°F (1979) | 0.13 in (1983) |
| August 20 | 91.0°F (1986) | 43.0°F (1978) | 0.08 in (1934) |
| August 21 | 89.1°F (1997) | 39.9°F (1978) | 0.00 in (1928) |
| August 22 | 89.1°F (1972) | 39.0°F (1978) | 0.00 in (1928) |
| August 23 | 98.1°F (1967) | 37.9°F (1978) | 0.00 in (1928) |
| August 24 | 87.1°F (1956) | 46.9°F (1975) | 0.00 in (1928) |
| August 25 | 93.9°F (1981) | 39.9°F (1978) | 0.09 in (1935) |
| August 26 | 90.0°F (1981) | 45.0°F (1975) | 0.17 in (1935) |
| August 27 | 90.0°F (1981) | 45.0°F (1978) | 0.00 in (1928) |
| August 28 | 89.1°F (1981) | 41.0°F (1978) | 0.02 in (1951) |
| August 29 | 100.0°F (1931) | 48.9°F (1950) | 0.65 in (1931) |
| August 30 | 93.9°F (1998) | 45.0°F (1979) | 0.04 in (1935) |
| August 31 | 100.0°F (1955) | 42.1°F (1928) | 0.05 in (1935) |