August weather in Mount Vernon, AR
The average temperature in Mount Vernon in August is 79.1°F (66.6°F–91.6°F). Average precipitation: 4.00 inches.
August is a summer month in Mount Vernon, and is warmer than the annual average of 59.8°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 20m. For travel, August is hot.
Avg High
91.6°F
Avg Low
66.6°F
Precipitation
4.00 in
Daylight
13h 20m
August records in Mount Vernon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1947) | 53.1°F (1971) | 1.10 in (1986) |
| August 2 | 102.0°F (1964) | 54.0°F (1965) | 1.50 in (1954) |
| August 3 | 105.1°F (1964) | 55.0°F (1976) | 0.87 in (1946) |
| August 4 | 108.0°F (1964) | 50.0°F (1974) | 1.27 in (1949) |
| August 5 | 99.0°F (1968) | 51.1°F (1974) | 1.45 in (1971) |
| August 6 | 100.9°F (1947) | 55.9°F (1974) | 1.47 in (1961) |
| August 7 | 100.9°F (1947) | 55.0°F (1990) | 1.84 in (1986) |
| August 8 | 105.1°F (1947) | 48.9°F (1989) | 1.83 in (1970) |
| August 9 | 106.0°F (1947) | 51.1°F (1989) | 1.00 in (1940) |
| August 10 | 102.0°F (1947) | 52.0°F (1989) | 2.00 in (2019) |
| August 11 | 105.1°F (1999) | 54.0°F (1989) | 1.69 in (1966) |
| August 12 | 102.0°F (1999) | 50.0°F (1967) | 0.85 in (1990) |
| August 13 | 102.9°F (1999) | 48.9°F (1967) | 2.07 in (1998) |
| August 14 | 100.9°F (1976) | 48.9°F (1967) | 1.50 in (1966) |
| August 15 | 100.0°F (1965) | 53.1°F (1992) | 1.22 in (1961) |
| August 16 | 100.9°F (1987) | 46.0°F (1992) | 1.10 in (1986) |
| August 17 | 104.0°F (2000) | 46.9°F (1992) | 1.73 in (2018) |
| August 18 | 104.0°F (2000) | 50.0°F (1992) | 1.64 in (2018) |
| August 19 | 102.9°F (1962) | 57.0°F (1962) | 1.55 in (1950) |
| August 20 | 104.0°F (1972) | 50.0°F (1991) | 1.09 in (2018) |
| August 21 | 105.1°F (1972) | 52.0°F (1963) | 1.75 in (1993) |
| August 22 | 102.0°F (1983) | 55.0°F (1963) | 1.20 in (1964) |
| August 23 | 102.9°F (1983) | 55.9°F (1997) | 2.48 in (1965) |
| August 24 | 100.9°F (2000) | 55.0°F (1995) | 1.01 in (2019) |
| August 25 | 100.9°F (1963) | 52.0°F (1966) | 0.59 in (2019) |
| August 26 | 102.9°F (1983) | 55.0°F (1985) | 1.62 in (1991) |
| August 27 | 104.0°F (2000) | 53.1°F (1962) | 1.66 in (1963) |
| August 28 | 105.1°F (2000) | 48.0°F (1967) | 0.77 in (1984) |
| August 29 | 104.0°F (2000) | 44.1°F (1986) | 0.87 in (1984) |
| August 30 | 106.0°F (2000) | 46.0°F (1986) | 2.19 in (1950) |
| August 31 | 109.9°F (2000) | 46.9°F (1988) | 1.90 in (2018) |