August weather in Greenville, IA
The average temperature in Greenville in August is 69.2°F (59.3°F–79.2°F). Average precipitation: 4.41 inches.
August is a summer month in Greenville, and is warmer than the annual average of 46.4°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 46m. For travel, August is a comfortable month to visit.
Avg High
79.2°F
Avg Low
59.3°F
Precipitation
4.41 in
Daylight
13h 46m
August records in Greenville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (1955) | 46.0°F (1968) | 2.62 in (1975) |
| August 2 | 100.0°F (1955) | 46.0°F (2002) | 3.00 in (1959) |
| August 3 | 102.0°F (1947) | 48.0°F (1978) | 0.91 in (1953) |
| August 4 | 102.0°F (1947) | 44.1°F (1978) | 4.93 in (1996) |
| August 5 | 100.0°F (1947) | 44.1°F (1948) | 4.57 in (1972) |
| August 6 | 99.0°F (1968) | 46.0°F (1990) | 4.82 in (1998) |
| August 7 | 97.0°F (1949) | 44.1°F (1989) | 3.43 in (2010) |
| August 8 | 98.1°F (1941) | 45.0°F (1989) | 1.41 in (2000) |
| August 9 | 105.1°F (1947) | 45.0°F (1972) | 1.57 in (1969) |
| August 10 | 105.1°F (1947) | 46.0°F (1967) | 1.82 in (2010) |
| August 11 | 105.1°F (1947) | 43.0°F (1968) | 2.62 in (2016) |
| August 12 | 100.0°F (1965) | 43.0°F (2004) | 2.22 in (1994) |
| August 13 | 102.9°F (1965) | 39.9°F (1964) | 2.25 in (1995) |
| August 14 | 99.0°F (1988) | 43.0°F (1994) | 1.51 in (1959) |
| August 15 | 100.0°F (1988) | 45.0°F (1992) | 1.54 in (1978) |
| August 16 | 100.0°F (1988) | 46.0°F (1991) | 1.86 in (1977) |
| August 17 | 102.0°F (1947) | 42.1°F (2012) | 2.59 in (2015) |
| August 18 | 100.9°F (1947) | 42.1°F (1943) | 1.54 in (1975) |
| August 19 | 100.9°F (1955) | 39.9°F (2004) | 2.70 in (1975) |
| August 20 | 102.0°F (1947) | 34.0°F (1950) | 2.47 in (1979) |
| August 21 | 102.0°F (1947) | 44.1°F (1970) | 2.12 in (2007) |
| August 22 | 99.0°F (1947) | 46.9°F (1951) | 6.33 in (1988) |
| August 23 | 100.9°F (1948) | 45.0°F (1966) | 5.97 in (1973) |
| August 24 | 100.0°F (1948) | 42.1°F (1942) | 1.40 in (2010) |
| August 25 | 100.0°F (1955) | 39.9°F (1958) | 3.48 in (1992) |
| August 26 | 104.0°F (1955) | 43.0°F (1947) | 1.20 in (1980) |
| August 27 | 104.0°F (1955) | 43.0°F (1967) | 1.25 in (2021) |
| August 28 | 100.9°F (1955) | 42.1°F (1988) | 3.26 in (1948) |
| August 29 | 98.1°F (1945) | 37.0°F (1946) | 1.80 in (1975) |
| August 30 | 97.0°F (1941) | 39.0°F (2009) | 3.80 in (1962) |
| August 31 | 95.0°F (1976) | 36.0°F (1967) | 1.82 in (1969) |