August weather in Manteca, CA
The average temperature in Manteca in August is 77.3°F (60.3°F–94.4°F). Average precipitation: 0.01 inches.
August is a summer month in Manteca, and is warmer than the annual average of 63°F. Daily temperatures swing about 34.1°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 28m. For travel, August is hot.
Avg High
94.4°F
Avg Low
60.3°F
Precipitation
0.01 in
Daylight
13h 28m
August records in Manteca
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 109.0°F (1980) | 53.1°F (1970) | 0.00 in (1949) |
| August 2 | 105.1°F (1993) | 53.1°F (2013) | 0.00 in (1949) |
| August 3 | 108.0°F (1998) | 52.0°F (1963) | 0.00 in (1949) |
| August 4 | 109.0°F (1998) | 51.1°F (2002) | 0.00 in (1949) |
| August 5 | 108.0°F (1978) | 50.0°F (1950) | 0.00 in (1949) |
| August 6 | 109.0°F (1978) | 53.1°F (1950) | 0.00 in (1949) |
| August 7 | 109.0°F (1983) | 53.1°F (1950) | 0.01 in (2015) |
| August 8 | 109.0°F (1978) | 52.0°F (1950) | 0.00 in (1949) |
| August 9 | 108.0°F (1978) | 52.0°F (1950) | 0.00 in (1949) |
| August 10 | 109.0°F (1971) | 52.0°F (1949) | 0.00 in (1949) |
| August 11 | 106.0°F (1996) | 52.0°F (1950) | 0.35 in (1965) |
| August 12 | 107.1°F (1996) | 50.0°F (1954) | 0.00 in (1949) |
| August 13 | 108.0°F (1996) | 52.0°F (1988) | 0.05 in (1991) |
| August 14 | 108.0°F (2020) | 52.0°F (1955) | 0.09 in (1976) |
| August 15 | 109.0°F (2020) | 50.0°F (1999) | 0.18 in (1976) |
| August 16 | 113.0°F (2020) | 50.0°F (1955) | 0.00 in (1949) |
| August 17 | 109.0°F (2020) | 50.0°F (2006) | 0.01 in (1976) |
| August 18 | 108.0°F (2020) | 51.1°F (1959) | 0.81 in (1975) |
| August 19 | 107.1°F (1950) | 48.0°F (1959) | 0.13 in (1976) |
| August 20 | 105.1°F (2022) | 50.0°F (1968) | 0.02 in (1997) |
| August 21 | 104.0°F (2025) | 52.0°F (1959) | 0.03 in (1968) |
| August 22 | 104.0°F (1982) | 50.0°F (1968) | 0.09 in (1976) |
| August 23 | 102.9°F (2025) | 50.0°F (2002) | 0.02 in (1959) |
| August 24 | 102.9°F (2010) | 50.0°F (2002) | 0.05 in (2024) |
| August 25 | 108.0°F (2010) | 50.0°F (2002) | 0.00 in (1949) |
| August 26 | 104.0°F (1988) | 46.9°F (1955) | 0.00 in (1949) |
| August 27 | 104.0°F (1981) | 50.0°F (1952) | 0.04 in (1961) |
| August 28 | 111.9°F (2017) | 48.9°F (1955) | 0.00 in (1949) |
| August 29 | 108.0°F (2007) | 48.0°F (1957) | 0.01 in (1953) |
| August 30 | 105.1°F (1968) | 48.0°F (1957) | 0.01 in (1984) |
| August 31 | 105.1°F (2025) | 48.0°F (1957) | 0.29 in (1964) |