August weather in South Pasadena, CA
The average temperature in South Pasadena in August is 77.2°F (63.2°F–91.3°F). Average precipitation: 0.03 inches.
August is a summer month in South Pasadena, and is warmer than the annual average of 66°F. Daily temperatures swing about 28.1°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 17m. For travel, August is hot.
Avg High
91.3°F
Avg Low
63.2°F
Precipitation
0.03 in
Daylight
13h 17m
August records in South Pasadena
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (1938) | 48.9°F (1909) | 0.00 in (1893) |
| August 2 | 102.9°F (1918) | 48.0°F (1909) | 0.05 in (2017) |
| August 3 | 107.1°F (1918) | 48.0°F (1912) | 0.03 in (2014) |
| August 4 | 100.9°F (1997) | 48.0°F (1912) | 0.05 in (1955) |
| August 5 | 107.1°F (1997) | 48.9°F (1924) | 0.00 in (1893) |
| August 6 | 105.1°F (1983) | 50.0°F (1950) | 0.01 in (1990) |
| August 7 | 102.9°F (1970) | 50.0°F (1915) | 0.09 in (1990) |
| August 8 | 102.0°F (1965) | 46.9°F (1916) | 0.10 in (1947) |
| August 9 | 102.0°F (1935) | 48.0°F (1916) | 0.02 in (1908) |
| August 10 | 102.0°F (2018) | 50.0°F (1913) | 0.51 in (1942) |
| August 11 | 107.1°F (1933) | 46.9°F (1911) | 0.08 in (1991) |
| August 12 | 106.0°F (2000) | 45.0°F (1911) | 0.37 in (1972) |
| August 13 | 105.1°F (1994) | 46.9°F (1911) | 0.09 in (1958) |
| August 14 | 102.0°F (1994) | 46.0°F (1913) | 0.10 in (1987) |
| August 15 | 100.9°F (2020) | 46.9°F (1913) | 0.63 in (1984) |
| August 16 | 107.1°F (2020) | 44.1°F (1913) | 0.07 in (1941) |
| August 17 | 107.1°F (2020) | 45.0°F (1913) | 2.16 in (1977) |
| August 18 | 109.0°F (2020) | 45.0°F (1913) | 0.44 in (1945) |
| August 19 | 109.0°F (2020) | 45.0°F (1913) | 1.04 in (1983) |
| August 20 | 102.0°F (2020) | 48.0°F (1918) | 1.20 in (2023) |
| August 21 | 104.0°F (1969) | 48.9°F (1917) | 3.41 in (2023) |
| August 22 | 104.0°F (1969) | 46.9°F (1918) | 0.00 in (1893) |
| August 23 | 107.1°F (1931) | 48.0°F (1918) | 0.00 in (1893) |
| August 24 | 106.0°F (1931) | 50.0°F (1915) | 0.06 in (1988) |
| August 25 | 107.1°F (1985) | 48.0°F (1909) | 0.04 in (1894) |
| August 26 | 105.1°F (1985) | 48.0°F (1909) | 0.04 in (1935) |
| August 27 | 107.1°F (1981) | 48.0°F (1911) | 0.06 in (1913) |
| August 28 | 104.0°F (2009) | 43.0°F (1912) | 0.00 in (1893) |
| August 29 | 106.0°F (1909) | 48.0°F (1895) | 0.19 in (1951) |
| August 30 | 107.1°F (1998) | 44.1°F (1912) | 0.02 in (1951) |
| August 31 | 107.1°F (1929) | 46.0°F (1912) | 0.48 in (1998) |