August weather in McLean, TX
The average temperature in McLean in August is 78.7°F (66.0°F–91.4°F). Average precipitation: 3.18 inches.
August is a summer month in McLean, and is warmer than the annual average of 59.8°F. Daily temperatures swing about 25.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 20m. For travel, August is hot.
Avg High
91.4°F
Avg Low
66.0°F
Precipitation
3.18 in
Daylight
13h 20m
August records in McLean
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1980) | 57.9°F (1971) | 1.30 in (1995) |
| August 2 | 106.0°F (1980) | 54.0°F (1975) | 3.10 in (2007) |
| August 3 | 102.9°F (1980) | 54.0°F (1975) | 1.05 in (1993) |
| August 4 | 100.9°F (1964) | 57.0°F (1974) | 1.20 in (1998) |
| August 5 | 104.0°F (1962) | 59.0°F (1978) | 1.80 in (1967) |
| August 6 | 106.0°F (1964) | 59.0°F (1966) | 1.33 in (1997) |
| August 7 | 104.0°F (2003) | 55.0°F (1990) | 2.20 in (2005) |
| August 8 | 102.9°F (2003) | 54.0°F (1908) | 1.42 in (1950) |
| August 9 | 102.0°F (1967) | 57.9°F (1989) | 1.08 in (1984) |
| August 10 | 104.0°F (1964) | 57.0°F (1967) | 1.35 in (1974) |
| August 11 | 102.0°F (1983) | 54.0°F (1968) | 1.94 in (1977) |
| August 12 | 105.1°F (1983) | 53.1°F (1979) | 0.90 in (1998) |
| August 13 | 104.0°F (1969) | 57.9°F (2002) | 2.25 in (1963) |
| August 14 | 104.0°F (1969) | 55.0°F (2002) | 2.60 in (1975) |
| August 15 | 105.1°F (1983) | 57.9°F (1967) | 1.10 in (1980) |
| August 16 | 105.1°F (1983) | 55.9°F (1992) | 1.50 in (2008) |
| August 17 | 104.0°F (1983) | 57.0°F (1992) | 1.38 in (1991) |
| August 18 | 104.0°F (1978) | 57.9°F (1992) | 1.45 in (2007) |
| August 19 | 100.0°F (1970) | 55.0°F (1992) | 1.00 in (2002) |
| August 20 | 100.0°F (1969) | 55.0°F (1992) | 1.01 in (1970) |
| August 21 | 102.9°F (1983) | 57.9°F (1981) | 1.41 in (1907) |
| August 22 | 100.9°F (1983) | 57.0°F (1970) | 1.55 in (1907) |
| August 23 | 102.9°F (1973) | 51.1°F (1966) | 2.65 in (1966) |
| August 24 | 102.0°F (1973) | 52.0°F (1966) | 1.31 in (1966) |
| August 25 | 100.0°F (1983) | 54.0°F (1966) | 2.45 in (1969) |
| August 26 | 102.0°F (1983) | 55.0°F (1962) | 1.10 in (2006) |
| August 27 | 102.0°F (1982) | 52.0°F (1992) | 1.97 in (1969) |
| August 28 | 102.9°F (1984) | 53.1°F (1986) | 0.46 in (1972) |
| August 29 | 100.0°F (1964) | 53.1°F (1988) | 1.12 in (1950) |
| August 30 | 102.0°F (1983) | 55.9°F (1988) | 1.65 in (1986) |
| August 31 | 102.0°F (1983) | 52.0°F (1986) | 1.25 in (1994) |