August weather in Vista, CA
The average temperature in Vista in August is 71.9°F (63.2°F–80.7°F). Average precipitation: 0.03 inches.
August is a summer month in Vista, and is warmer than the annual average of 62.7°F. Daily temperatures swing about 17.5°F between overnight low and afternoon high. Expect about 0 days with precipitation. Daylight averages about 13h 14m. For travel, August is a comfortable month to visit.
Avg High
80.7°F
Avg Low
63.2°F
Precipitation
0.03 in
Daylight
13h 14m
August records in Vista
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 96.1°F (1972) | 54.0°F (1966) | 0.02 in (2017) |
| August 2 | 95.0°F (1971) | 55.0°F (1985) | 0.06 in (2014) |
| August 3 | 96.1°F (1998) | 55.9°F (1975) | 0.04 in (2014) |
| August 4 | 91.9°F (1971) | 54.0°F (1979) | 0.00 in (1957) |
| August 5 | 96.1°F (1978) | 44.1°F (2003) | 0.05 in (2006) |
| August 6 | 102.0°F (1983) | 44.1°F (2003) | 0.03 in (1990) |
| August 7 | 96.1°F (1983) | 53.1°F (2004) | 0.01 in (1963) |
| August 8 | 95.0°F (1965) | 41.0°F (2004) | 0.01 in (1963) |
| August 9 | 98.1°F (1998) | 53.1°F (2004) | 0.06 in (1983) |
| August 10 | 93.9°F (1994) | 55.0°F (2004) | 0.06 in (1997) |
| August 11 | 100.0°F (1994) | 45.0°F (2007) | 0.00 in (1957) |
| August 12 | 100.0°F (1994) | 39.0°F (2004) | 0.00 in (1957) |
| August 13 | 98.1°F (1983) | 39.0°F (2004) | 0.31 in (1992) |
| August 14 | 96.1°F (1996) | 55.0°F (1976) | 0.12 in (1987) |
| August 15 | 95.0°F (1992) | 55.9°F (1988) | 0.09 in (1990) |
| August 16 | 96.1°F (1992) | 54.0°F (1987) | 0.13 in (1977) |
| August 17 | 98.1°F (1992) | 48.9°F (2007) | 1.45 in (1977) |
| August 18 | 97.0°F (1986) | 53.1°F (1975) | 0.20 in (1977) |
| August 19 | 96.1°F (1986) | 55.0°F (1976) | 0.01 in (1983) |
| August 20 | 95.0°F (1986) | 54.0°F (1972) | 1.18 in (2023) |
| August 21 | 93.9°F (1982) | 54.0°F (2004) | 1.07 in (2023) |
| August 22 | 98.1°F (1969) | 48.9°F (2007) | 0.05 in (2021) |
| August 23 | 100.0°F (2025) | 48.9°F (2007) | 0.00 in (1957) |
| August 24 | 93.9°F (1985) | 50.0°F (1978) | 0.40 in (1988) |
| August 25 | 102.0°F (1985) | 50.0°F (1975) | 0.00 in (1957) |
| August 26 | 97.0°F (1981) | 53.1°F (1978) | 0.00 in (1957) |
| August 27 | 102.0°F (2009) | 48.0°F (1975) | 0.05 in (2007) |
| August 28 | 98.1°F (2009) | 46.0°F (1975) | 0.00 in (1957) |
| August 29 | 106.0°F (1998) | 48.9°F (1975) | 0.04 in (2025) |
| August 30 | 102.0°F (1998) | 46.0°F (1975) | 0.00 in (1957) |
| August 31 | 100.9°F (1998) | 48.9°F (1975) | 0.11 in (2021) |