August weather in Mountain Home, AR
The average temperature in Mountain Home in August is 78.3°F (67.5°F–89.1°F). Average precipitation: 3.74 inches.
August is a summer month in Mountain Home, and is warmer than the annual average of 58.3°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 23m. For travel, August is hot.
Avg High
89.1°F
Avg Low
67.5°F
Precipitation
3.74 in
Daylight
13h 23m
August records in Mountain Home
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 106.0°F (1934) | 48.9°F (1925) | 1.45 in (1919) |
| August 2 | 105.1°F (1934) | 53.1°F (1925) | 2.25 in (1986) |
| August 3 | 109.0°F (1934) | 53.1°F (1950) | 1.73 in (1992) |
| August 4 | 111.9°F (2011) | 53.1°F (1920) | 1.80 in (1953) |
| August 5 | 108.0°F (1934) | 55.0°F (1925) | 3.25 in (1943) |
| August 6 | 109.0°F (1934) | 51.1°F (1948) | 3.17 in (2016) |
| August 7 | 109.9°F (1934) | 52.0°F (1957) | 3.10 in (1965) |
| August 8 | 111.0°F (1934) | 51.1°F (1989) | 1.05 in (1927) |
| August 9 | 114.1°F (1934) | 52.0°F (1989) | 2.30 in (1932) |
| August 10 | 109.9°F (1936) | 55.0°F (1917) | 4.50 in (2023) |
| August 11 | 108.0°F (1934) | 48.9°F (1917) | 2.45 in (1921) |
| August 12 | 111.0°F (1934) | 52.0°F (1967) | 2.53 in (1997) |
| August 13 | 105.1°F (1936) | 51.1°F (2004) | 2.30 in (2002) |
| August 14 | 105.1°F (1930) | 51.1°F (2004) | 2.34 in (2021) |
| August 15 | 108.0°F (1936) | 50.0°F (1929) | 1.89 in (1964) |
| August 16 | 109.0°F (1936) | 46.9°F (1992) | 1.80 in (2005) |
| August 17 | 107.1°F (1954) | 51.1°F (1992) | 2.24 in (1977) |
| August 18 | 108.0°F (1936) | 52.0°F (1943) | 2.37 in (1991) |
| August 19 | 108.0°F (1936) | 51.1°F (1943) | 0.85 in (1984) |
| August 20 | 102.9°F (1936) | 52.0°F (2015) | 1.55 in (2009) |
| August 21 | 107.1°F (1936) | 48.9°F (1940) | 1.29 in (2005) |
| August 22 | 104.0°F (1936) | 50.0°F (1956) | 2.73 in (2019) |
| August 23 | 102.9°F (1936) | 51.1°F (1949) | 1.95 in (1961) |
| August 24 | 107.1°F (1922) | 50.0°F (1923) | 1.22 in (1993) |
| August 25 | 102.9°F (1938) | 48.9°F (1917) | 1.99 in (2019) |
| August 26 | 104.0°F (1936) | 51.1°F (1927) | 2.38 in (1920) |
| August 27 | 107.1°F (1936) | 51.1°F (1927) | 2.64 in (1982) |
| August 28 | 105.1°F (1936) | 48.9°F (1967) | 2.10 in (2006) |
| August 29 | 107.1°F (1984) | 46.9°F (1986) | 1.78 in (1933) |
| August 30 | 102.0°F (2000) | 48.0°F (1917) | 1.21 in (1975) |
| August 31 | 104.0°F (2000) | 50.0°F (1935) | 2.00 in (1905) |