August weather in Greencastle, IN
The average temperature in Greencastle in August is 70.8°F (59.4°F–82.2°F). Average precipitation: 3.36 inches.
August is a summer month in Greencastle, and is warmer than the annual average of 50.5°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 34m. For travel, August is a comfortable month to visit.
Avg High
82.2°F
Avg Low
59.4°F
Precipitation
3.36 in
Daylight
13h 34m
August records in Greencastle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1954) | 48.9°F (1952) | 1.58 in (1968) |
| August 2 | 98.1°F (1930) | 46.9°F (1920) | 2.30 in (1932) |
| August 3 | 100.0°F (1930) | 48.0°F (1950) | 2.82 in (1967) |
| August 4 | 102.0°F (1930) | 50.0°F (1950) | 3.55 in (1903) |
| August 5 | 105.1°F (1918) | 48.0°F (1929) | 2.12 in (1985) |
| August 6 | 102.9°F (1919) | 48.9°F (1948) | 1.33 in (1989) |
| August 7 | 100.9°F (1930) | 46.0°F (2004) | 1.71 in (1963) |
| August 8 | 100.0°F (1930) | 48.9°F (1989) | 1.21 in (1937) |
| August 9 | 102.0°F (1930) | 50.0°F (1921) | 1.04 in (1899) |
| August 10 | 99.0°F (1980) | 48.0°F (1972) | 1.57 in (2012) |
| August 11 | 100.9°F (1926) | 46.9°F (1967) | 2.90 in (1915) |
| August 12 | 100.9°F (1964) | 42.1°F (2004) | 4.05 in (1926) |
| August 13 | 97.0°F (1936) | 41.0°F (2004) | 1.66 in (1963) |
| August 14 | 95.0°F (1947) | 44.1°F (2004) | 0.96 in (1945) |
| August 15 | 97.0°F (1919) | 46.9°F (1964) | 1.60 in (1947) |
| August 16 | 97.0°F (1922) | 45.0°F (1929) | 1.81 in (1957) |
| August 17 | 99.0°F (1983) | 46.0°F (2004) | 3.76 in (1993) |
| August 18 | 100.9°F (1936) | 46.0°F (1963) | 3.06 in (2000) |
| August 19 | 100.9°F (1936) | 48.0°F (2012) | 5.12 in (1934) |
| August 20 | 100.9°F (1983) | 46.9°F (1929) | 1.96 in (1960) |
| August 21 | 102.0°F (1983) | 44.1°F (1950) | 1.60 in (1915) |
| August 22 | 100.9°F (1936) | 45.0°F (1950) | 0.90 in (1977) |
| August 23 | 96.1°F (1936) | 45.0°F (1952) | 1.23 in (1989) |
| August 24 | 99.0°F (1954) | 44.1°F (1923) | 1.55 in (1926) |
| August 25 | 100.9°F (1954) | 44.1°F (1942) | 1.05 in (2007) |
| August 26 | 99.0°F (1954) | 44.1°F (1945) | 4.44 in (1947) |
| August 27 | 98.1°F (1948) | 46.9°F (1968) | 2.17 in (2012) |
| August 28 | 99.0°F (1953) | 44.1°F (1986) | 2.80 in (1978) |
| August 29 | 102.0°F (1955) | 39.9°F (1965) | 1.90 in (1974) |
| August 30 | 100.9°F (1953) | 43.0°F (1946) | 2.00 in (1975) |
| August 31 | 99.0°F (1953) | 45.0°F (2009) | 1.75 in (1962) |