August weather in Williamsburg, IA
The average temperature in Williamsburg in August is 70.9°F (59.7°F–82.1°F). Average precipitation: 4.47 inches.
August is a summer month in Williamsburg, and is warmer than the annual average of 48.2°F. Daily temperatures swing about 22.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 41m. For travel, August is a comfortable month to visit.
Avg High
82.1°F
Avg Low
59.7°F
Precipitation
4.47 in
Daylight
13h 41m
August records in Williamsburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1930) | 50.0°F (1920) | 4.00 in (1921) |
| August 2 | 99.0°F (1930) | 46.0°F (1920) | 2.29 in (1929) |
| August 3 | 109.0°F (1930) | 42.1°F (1927) | 2.70 in (1943) |
| August 4 | 102.9°F (1930) | 46.0°F (1978) | 1.77 in (2004) |
| August 5 | 102.9°F (1918) | 46.9°F (2020) | 2.30 in (1970) |
| August 6 | 100.0°F (1934) | 46.9°F (1917) | 3.05 in (1972) |
| August 7 | 99.0°F (1920) | 46.9°F (1989) | 2.48 in (1939) |
| August 8 | 111.0°F (1934) | 46.9°F (1989) | 2.66 in (1977) |
| August 9 | 104.0°F (1934) | 42.1°F (1927) | 3.30 in (2015) |
| August 10 | 100.0°F (2001) | 46.9°F (1917) | 1.80 in (1974) |
| August 11 | 100.0°F (1941) | 46.0°F (2004) | 1.52 in (2010) |
| August 12 | 100.0°F (1936) | 44.1°F (1931) | 3.70 in (2016) |
| August 13 | 100.0°F (1918) | 41.0°F (1964) | 2.47 in (1919) |
| August 14 | 104.0°F (1936) | 43.0°F (2013) | 4.30 in (1986) |
| August 15 | 105.1°F (1988) | 39.9°F (1929) | 1.36 in (1918) |
| August 16 | 102.9°F (1988) | 45.0°F (1992) | 3.20 in (1977) |
| August 17 | 102.9°F (1988) | 48.0°F (1992) | 1.96 in (1932) |
| August 18 | 109.9°F (1936) | 44.1°F (2012) | 1.60 in (2019) |
| August 19 | 102.0°F (1988) | 46.0°F (2004) | 1.90 in (1979) |
| August 20 | 100.0°F (1983) | 39.9°F (1950) | 4.09 in (1990) |
| August 21 | 97.0°F (1947) | 45.0°F (1950) | 1.20 in (1975) |
| August 22 | 104.0°F (1936) | 42.1°F (1923) | 0.60 in (1973) |
| August 23 | 99.0°F (1947) | 45.0°F (1923) | 3.43 in (1988) |
| August 24 | 100.9°F (1936) | 42.1°F (1920) | 1.13 in (2018) |
| August 25 | 100.0°F (2023) | 39.9°F (1934) | 3.45 in (2021) |
| August 26 | 96.1°F (1953) | 44.1°F (1927) | 3.35 in (1987) |
| August 27 | 97.0°F (1955) | 45.0°F (2025) | 3.47 in (2009) |
| August 28 | 97.0°F (1953) | 39.9°F (1986) | 2.65 in (1998) |
| August 29 | 97.0°F (1953) | 42.1°F (1917) | 1.53 in (2006) |
| August 30 | 98.1°F (1953) | 43.0°F (1917) | 2.90 in (1965) |
| August 31 | 100.9°F (2013) | 41.0°F (2009) | 1.89 in (1980) |