August weather in Modesto, CA
The average temperature in Modesto in August is 77.8°F (62.0°F–93.5°F). Average precipitation: 0.01 inches.
August is a summer month in Modesto, and is warmer than the annual average of 63.1°F. Daily temperatures swing about 31.5°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 27m. For travel, August is hot.
Avg High
93.5°F
Avg Low
62.0°F
Precipitation
0.01 in
Daylight
13h 27m
August records in Modesto
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 106.0°F (1993) | 50.0°F (1928) | 0.00 in (1906) |
| August 2 | 106.0°F (2017) | 48.9°F (1944) | 0.00 in (1906) |
| August 3 | 106.0°F (1998) | 50.0°F (1928) | 0.00 in (1906) |
| August 4 | 108.0°F (1998) | 51.1°F (1934) | 0.00 in (1906) |
| August 5 | 106.0°F (1978) | 50.0°F (1950) | 0.00 in (1906) |
| August 6 | 106.0°F (1978) | 51.1°F (1949) | 0.00 in (1906) |
| August 7 | 107.1°F (1983) | 52.0°F (1947) | 0.07 in (1989) |
| August 8 | 106.0°F (1978) | 48.9°F (1944) | 0.01 in (1989) |
| August 9 | 106.0°F (1978) | 51.1°F (1949) | 0.00 in (1906) |
| August 10 | 106.0°F (1971) | 48.0°F (1932) | 0.00 in (1906) |
| August 11 | 105.1°F (1935) | 48.9°F (1932) | 0.48 in (1965) |
| August 12 | 106.0°F (1996) | 39.0°F (1990) | 0.26 in (1965) |
| August 13 | 107.1°F (1996) | 48.9°F (1949) | 0.06 in (1991) |
| August 14 | 106.0°F (1996) | 50.0°F (1972) | 0.10 in (1991) |
| August 15 | 105.1°F (2008) | 48.9°F (1949) | 0.29 in (1976) |
| August 16 | 111.0°F (2020) | 48.9°F (1949) | 0.00 in (1906) |
| August 17 | 108.0°F (2020) | 50.0°F (1949) | 0.06 in (1976) |
| August 18 | 106.0°F (2020) | 50.0°F (1949) | 0.59 in (1975) |
| August 19 | 106.0°F (1950) | 48.9°F (1959) | 0.19 in (1983) |
| August 20 | 104.0°F (1950) | 50.0°F (1930) | 0.00 in (1906) |
| August 21 | 100.9°F (1945) | 50.0°F (1944) | 0.10 in (2003) |
| August 22 | 100.9°F (1982) | 51.1°F (1947) | 0.13 in (1976) |
| August 23 | 102.9°F (1931) | 48.9°F (1949) | 0.05 in (1959) |
| August 24 | 106.0°F (1931) | 46.9°F (1949) | 0.00 in (1906) |
| August 25 | 107.1°F (2010) | 48.0°F (1963) | 0.00 in (1906) |
| August 26 | 104.0°F (1988) | 48.9°F (1955) | 0.43 in (1930) |
| August 27 | 106.0°F (2017) | 48.0°F (1942) | 0.10 in (1961) |
| August 28 | 109.0°F (2017) | 48.0°F (1928) | 0.00 in (1906) |
| August 29 | 107.1°F (2008) | 48.0°F (1928) | 0.00 in (1906) |
| August 30 | 106.0°F (1988) | 46.0°F (1957) | 0.18 in (1953) |
| August 31 | 104.0°F (2007) | 48.0°F (1927) | 0.00 in (1906) |