August weather in Sun Valley, TX
The average temperature in Sun Valley in August is 85.1°F (74.1°F–96.2°F). Average precipitation: 2.95 inches.
August is a summer month in Sun Valley, and is warmer than the annual average of 65°F. Daily temperatures swing about 22.1°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 15m. For travel, August is hot.
Avg High
96.2°F
Avg Low
74.1°F
Precipitation
2.95 in
Daylight
13h 15m
August records in Sun Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 109.9°F (1986) | 57.9°F (1971) | 2.49 in (2009) |
| August 2 | 109.9°F (2011) | 62.1°F (1925) | 1.24 in (1962) |
| August 3 | 111.9°F (2011) | 63.0°F (1984) | 1.12 in (1979) |
| August 4 | 113.0°F (2011) | 62.1°F (1920) | 1.85 in (2019) |
| August 5 | 113.0°F (2011) | 60.1°F (1912) | 1.04 in (1967) |
| August 6 | 109.9°F (2011) | 60.1°F (1912) | 2.35 in (2020) |
| August 7 | 109.0°F (1956) | 60.1°F (1997) | 3.81 in (2017) |
| August 8 | 108.0°F (1954) | 60.1°F (1989) | 2.21 in (1922) |
| August 9 | 108.0°F (1936) | 59.0°F (1989) | 1.80 in (1912) |
| August 10 | 115.0°F (1936) | 59.0°F (1989) | 2.11 in (1972) |
| August 11 | 108.0°F (1999) | 59.0°F (1989) | 2.02 in (1914) |
| August 12 | 108.0°F (1954) | 57.0°F (1967) | 2.15 in (1957) |
| August 13 | 108.0°F (2011) | 55.0°F (1967) | 2.83 in (2017) |
| August 14 | 105.1°F (1923) | 60.1°F (1986) | 2.94 in (1914) |
| August 15 | 107.1°F (1951) | 59.0°F (1992) | 0.53 in (2012) |
| August 16 | 109.0°F (1909) | 43.0°F (1897) | 1.86 in (1973) |
| August 17 | 113.0°F (1909) | 55.9°F (1992) | 1.85 in (1926) |
| August 18 | 114.1°F (1909) | 55.9°F (1992) | 3.85 in (1915) |
| August 19 | 109.0°F (2023) | 60.1°F (1940) | 2.71 in (1915) |
| August 20 | 111.0°F (2011) | 55.0°F (1940) | 3.62 in (1917) |
| August 21 | 109.0°F (2011) | 55.9°F (1940) | 2.90 in (1923) |
| August 22 | 107.1°F (1993) | 57.9°F (1949) | 1.58 in (1967) |
| August 23 | 108.0°F (1921) | 57.9°F (1949) | 2.72 in (1919) |
| August 24 | 108.0°F (1924) | 60.1°F (1949) | 1.18 in (1919) |
| August 25 | 109.0°F (2011) | 53.1°F (1928) | 3.50 in (1914) |
| August 26 | 107.1°F (2023) | 55.0°F (1928) | 1.58 in (1918) |
| August 27 | 108.0°F (1999) | 57.9°F (1906) | 2.57 in (1946) |
| August 28 | 106.0°F (1924) | 54.0°F (1992) | 1.92 in (1931) |
| August 29 | 106.0°F (2011) | 55.9°F (1992) | 3.75 in (1955) |
| August 30 | 106.0°F (1913) | 55.9°F (1915) | 3.00 in (2020) |
| August 31 | 109.9°F (1939) | 55.9°F (1915) | 1.26 in (1966) |