August weather in Polk City, IA
The average temperature in Polk City in August is 73.2°F (63.6°F–82.9°F). Average precipitation: 3.97 inches.
August is a summer month in Polk City, and is warmer than the annual average of 50.3°F. Daily temperatures swing about 19.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 41m. For travel, August is a comfortable month to visit.
Avg High
82.9°F
Avg Low
63.6°F
Precipitation
3.97 in
Daylight
13h 41m
August records in Polk City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (2001) | 55.9°F (1996) | 0.56 in (2004) |
| August 2 | 100.0°F (2022) | 53.1°F (2009) | 0.45 in (2016) |
| August 3 | 97.0°F (2022) | 52.0°F (2017) | 2.35 in (2004) |
| August 4 | 95.0°F (2001) | 48.9°F (2017) | 1.57 in (2010) |
| August 5 | 95.0°F (2001) | 55.0°F (2020) | 0.84 in (2023) |
| August 6 | 100.0°F (2022) | 53.1°F (1997) | 2.23 in (2023) |
| August 7 | 96.1°F (2001) | 57.9°F (2004) | 1.88 in (2025) |
| August 8 | 93.9°F (2001) | 55.0°F (2017) | 2.03 in (2010) |
| August 9 | 96.1°F (2005) | 50.0°F (2024) | 2.68 in (2010) |
| August 10 | 91.0°F (2007) | 50.0°F (2024) | 3.97 in (2010) |
| August 11 | 93.9°F (2002) | 48.0°F (2004) | 2.05 in (2016) |
| August 12 | 93.0°F (2010) | 46.0°F (2004) | 2.35 in (1999) |
| August 13 | 91.9°F (2022) | 46.0°F (2004) | 0.56 in (2002) |
| August 14 | 91.9°F (2000) | 51.1°F (1999) | 0.48 in (2024) |
| August 15 | 91.0°F (2003) | 48.9°F (2004) | 1.06 in (2001) |
| August 16 | 95.0°F (2003) | 55.0°F (2012) | 0.69 in (2018) |
| August 17 | 95.0°F (2003) | 48.0°F (2012) | 1.18 in (2010) |
| August 18 | 95.0°F (2003) | 48.0°F (2012) | 2.23 in (2015) |
| August 19 | 93.0°F (2023) | 46.9°F (2012) | 1.33 in (2016) |
| August 20 | 96.1°F (2003) | 50.0°F (2012) | 1.55 in (2019) |
| August 21 | 93.9°F (2001) | 52.0°F (1997) | 1.76 in (2017) |
| August 22 | 96.1°F (2023) | 51.1°F (2009) | 1.42 in (2002) |
| August 23 | 98.1°F (2023) | 52.0°F (2015) | 1.35 in (2014) |
| August 24 | 99.0°F (2003) | 48.0°F (2015) | 0.90 in (2016) |
| August 25 | 100.0°F (2003) | 46.9°F (2015) | 0.62 in (2012) |
| August 26 | 98.1°F (2013) | 46.9°F (2025) | 0.93 in (2021) |
| August 27 | 98.1°F (2013) | 55.9°F (2015) | 1.32 in (1998) |
| August 28 | 99.0°F (2013) | 53.1°F (2019) | 2.37 in (2014) |
| August 29 | 96.1°F (2013) | 52.0°F (2008) | 1.07 in (2024) |
| August 30 | 102.9°F (2013) | 48.0°F (2009) | 1.03 in (2011) |
| August 31 | 99.0°F (2000) | 50.0°F (2009) | 1.80 in (2014) |