August weather in Wilton, IA
The average temperature in Wilton in August is 72.2°F (61.9°F–82.5°F). Average precipitation: 4.01 inches.
August is a summer month in Wilton, and is warmer than the annual average of 50.1°F. Daily temperatures swing about 20.6°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
61.9°F
Precipitation
4.01 in
Daylight
13h 41m
August records in Wilton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (2006) | 55.9°F (2009) | 0.46 in (2022) |
| August 2 | 96.1°F (2006) | 55.0°F (2009) | 0.45 in (2022) |
| August 3 | 97.0°F (2011) | 54.0°F (2009) | 1.10 in (2010) |
| August 4 | 97.0°F (2005) | 51.1°F (2017) | 1.09 in (2004) |
| August 5 | 93.0°F (2008) | 52.0°F (2017) | 1.52 in (2002) |
| August 6 | 93.0°F (2024) | 53.1°F (2004) | 1.05 in (2019) |
| August 7 | 95.0°F (2022) | 53.1°F (2004) | 0.91 in (2023) |
| August 8 | 95.0°F (2012) | 55.0°F (2002) | 1.25 in (2009) |
| August 9 | 95.0°F (2005) | 52.0°F (2024) | 1.21 in (2007) |
| August 10 | 98.1°F (2005) | 52.0°F (2024) | 3.23 in (2025) |
| August 11 | 93.0°F (2007) | 51.1°F (2004) | 1.94 in (2023) |
| August 12 | 90.0°F (2007) | 48.9°F (2004) | 2.15 in (2016) |
| August 13 | 91.9°F (2007) | 51.1°F (2004) | 0.68 in (2012) |
| August 14 | 90.0°F (2018) | 50.0°F (2004) | 1.35 in (2010) |
| August 15 | 91.9°F (2000) | 46.9°F (2004) | 2.03 in (2024) |
| August 16 | 91.9°F (2025) | 50.0°F (2004) | 1.23 in (2001) |
| August 17 | 93.0°F (2003) | 53.1°F (2013) | 0.69 in (2009) |
| August 18 | 93.0°F (2025) | 51.1°F (2012) | 0.36 in (2010) |
| August 19 | 91.9°F (2005) | 50.0°F (2002) | 1.40 in (2006) |
| August 20 | 93.0°F (2005) | 53.1°F (2004) | 1.33 in (2007) |
| August 21 | 95.0°F (2003) | 52.0°F (2012) | 1.06 in (2018) |
| August 22 | 93.0°F (2003) | 48.9°F (2012) | 0.39 in (2002) |
| August 23 | 91.0°F (2007) | 53.1°F (2017) | 1.86 in (2007) |
| August 24 | 97.0°F (2023) | 52.0°F (2015) | 1.89 in (2007) |
| August 25 | 99.0°F (2023) | 51.1°F (2015) | 1.04 in (2016) |
| August 26 | 93.9°F (2003) | 50.0°F (2015) | 0.77 in (2019) |
| August 27 | 96.1°F (2003) | 51.1°F (2025) | 2.77 in (2009) |
| August 28 | 96.1°F (2013) | 54.0°F (2025) | 1.60 in (2024) |
| August 29 | 95.0°F (2013) | 53.1°F (2004) | 2.50 in (2018) |
| August 30 | 90.0°F (2010) | 51.1°F (2009) | 2.37 in (2024) |
| August 31 | 99.0°F (2013) | 48.0°F (2009) | 0.26 in (2011) |