August weather in Newton, IA
The average temperature in Newton in August is 72.0°F (61.4°F–82.5°F). Average precipitation: 4.30 inches.
August is a summer month in Newton, and is warmer than the annual average of 48.6°F. Daily temperatures swing about 21.1°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
82.5°F
Avg Low
61.4°F
Precipitation
4.30 in
Daylight
13h 41m
August records in Newton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1988) | 48.9°F (1898) | 1.13 in (1955) |
| August 2 | 99.0°F (1963) | 52.0°F (1976) | 1.31 in (1898) |
| August 3 | 100.0°F (1988) | 48.9°F (1894) | 1.72 in (2010) |
| August 4 | 98.1°F (1956) | 46.9°F (1978) | 1.45 in (2001) |
| August 5 | 93.9°F (1896) | 48.0°F (1974) | 4.08 in (1970) |
| August 6 | 96.1°F (1968) | 50.0°F (1974) | 3.81 in (1963) |
| August 7 | 100.0°F (1894) | 44.1°F (1972) | 1.29 in (2018) |
| August 8 | 99.0°F (1894) | 45.0°F (1976) | 1.87 in (1987) |
| August 9 | 104.0°F (1894) | 44.1°F (1972) | 2.87 in (2010) |
| August 10 | 96.1°F (1894) | 46.9°F (1972) | 1.80 in (1979) |
| August 11 | 95.0°F (1983) | 48.0°F (1982) | 2.61 in (2010) |
| August 12 | 97.0°F (1965) | 48.0°F (1964) | 3.69 in (1993) |
| August 13 | 99.0°F (1965) | 48.0°F (1964) | 2.10 in (1894) |
| August 14 | 100.9°F (1988) | 50.0°F (2004) | 2.07 in (1986) |
| August 15 | 102.9°F (1988) | 46.9°F (1979) | 2.28 in (2017) |
| August 16 | 102.9°F (1983) | 46.9°F (2004) | 1.98 in (1980) |
| August 17 | 105.1°F (1988) | 45.0°F (1897) | 1.09 in (1954) |
| August 18 | 99.0°F (1983) | 46.9°F (1977) | 1.85 in (2019) |
| August 19 | 99.0°F (1983) | 46.9°F (2004) | 1.88 in (2015) |
| August 20 | 98.1°F (1983) | 37.0°F (1950) | 2.00 in (1979) |
| August 21 | 99.0°F (2003) | 46.9°F (1950) | 1.61 in (2007) |
| August 22 | 96.1°F (1962) | 50.0°F (1897) | 1.50 in (1979) |
| August 23 | 100.9°F (1948) | 46.0°F (1966) | 2.77 in (1985) |
| August 24 | 100.0°F (2023) | 48.9°F (1977) | 1.50 in (1954) |
| August 25 | 98.1°F (2021) | 46.9°F (1958) | 2.32 in (2001) |
| August 26 | 99.0°F (1955) | 48.0°F (1964) | 2.53 in (1987) |
| August 27 | 100.0°F (1955) | 45.0°F (1896) | 3.06 in (2009) |
| August 28 | 99.0°F (2013) | 44.1°F (1986) | 2.02 in (2022) |
| August 29 | 98.1°F (1948) | 46.0°F (1893) | 2.83 in (2014) |
| August 30 | 97.0°F (1898) | 41.0°F (1976) | 2.83 in (1948) |
| August 31 | 102.0°F (2013) | 44.1°F (1893) | 0.73 in (2011) |