August weather in Hartford, IA
The average temperature in Hartford in August is 71.7°F (61.4°F–82.0°F). Average precipitation: 4.22 inches.
August is a summer month in Hartford, and is warmer than the annual average of 49.5°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 40m. For travel, August is a comfortable month to visit.
Avg High
82.0°F
Avg Low
61.4°F
Precipitation
4.22 in
Daylight
13h 40m
August records in Hartford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 95.7°F (2012) | 55.0°F (2019) | 0.05 in (2016) |
| August 2 | 98.1°F (2022) | 51.3°F (2009) | 1.42 in (2010) |
| August 3 | 96.1°F (2012) | 53.1°F (2017) | 0.73 in (2017) |
| August 4 | 92.3°F (2016) | 48.4°F (2020) | 0.78 in (2012) |
| August 5 | 94.5°F (2018) | 48.4°F (2020) | 0.55 in (2006) |
| August 6 | 100.0°F (2022) | 51.4°F (2012) | 1.00 in (2014) |
| August 7 | 95.5°F (2012) | 54.3°F (2005) | 1.30 in (2007) |
| August 8 | 91.6°F (2010) | 50.5°F (2017) | 2.46 in (2010) |
| August 9 | 93.0°F (2005) | 51.8°F (2024) | 1.88 in (2010) |
| August 10 | 90.3°F (2016) | 49.5°F (2024) | 4.28 in (2010) |
| August 11 | 91.4°F (2021) | 51.8°F (2012) | 1.55 in (2016) |
| August 12 | 90.9°F (2010) | 52.0°F (2017) | 1.35 in (2008) |
| August 13 | 91.8°F (2022) | 54.3°F (2013) | 0.85 in (2006) |
| August 14 | 90.1°F (2007) | 48.9°F (2013) | 0.66 in (2024) |
| August 15 | 90.0°F (2025) | 52.7°F (2021) | 0.31 in (2022) |
| August 16 | 91.0°F (2025) | 51.1°F (2013) | 0.44 in (2007) |
| August 17 | 92.3°F (2025) | 46.4°F (2012) | 0.89 in (2006) |
| August 18 | 91.2°F (2005) | 43.7°F (2012) | 3.28 in (2019) |
| August 19 | 92.1°F (2023) | 48.2°F (2012) | 0.35 in (2009) |
| August 20 | 93.0°F (2023) | 48.0°F (2012) | 1.09 in (2019) |
| August 21 | 91.2°F (2023) | 49.3°F (2012) | 4.15 in (2017) |
| August 22 | 96.4°F (2023) | 51.8°F (2009) | 2.67 in (2007) |
| August 23 | 99.9°F (2023) | 50.5°F (2009) | 1.34 in (2014) |
| August 24 | 99.3°F (2023) | 49.3°F (2015) | 0.70 in (2016) |
| August 25 | 93.6°F (2020) | 46.8°F (2025) | 0.22 in (2023) |
| August 26 | 95.9°F (2013) | 45.7°F (2025) | 2.32 in (2009) |
| August 27 | 96.8°F (2013) | 52.3°F (2015) | 1.26 in (2009) |
| August 28 | 96.4°F (2013) | 52.5°F (2019) | 1.14 in (2006) |
| August 29 | 95.5°F (2013) | 48.7°F (2009) | 1.05 in (2024) |
| August 30 | 100.0°F (2013) | 46.0°F (2009) | 1.20 in (2011) |
| August 31 | 91.2°F (2013) | 46.9°F (2009) | 1.68 in (2014) |