August weather in Henderson, IA
The average temperature in Henderson in August is °F (°F–°F). Average precipitation: 4.29 inches.
August is a summer month in Henderson, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 13h 39m.
Avg High
°F
Avg Low
°F
Precipitation
4.29 in
Daylight
13h 39m
August records in Henderson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | — | — | 1.28 in (2015) |
| August 2 | — | — | 0.32 in (2023) |
| August 3 | — | — | 0.32 in (2014) |
| August 4 | — | — | 1.23 in (2010) |
| August 5 | — | — | 0.51 in (2023) |
| August 6 | — | — | 0.33 in (2011) |
| August 7 | — | — | 0.81 in (2025) |
| August 8 | — | — | 0.90 in (2021) |
| August 9 | — | — | 2.51 in (2015) |
| August 10 | — | — | 2.66 in (2025) |
| August 11 | — | — | 0.52 in (2019) |
| August 12 | — | — | 1.65 in (2024) |
| August 13 | — | — | 0.26 in (2011) |
| August 14 | — | — | 2.15 in (2024) |
| August 15 | — | — | 1.88 in (2018) |
| August 16 | — | — | 2.71 in (2009) |
| August 17 | — | — | 0.45 in (2017) |
| August 18 | — | — | 1.47 in (2015) |
| August 19 | — | — | 2.57 in (2011) |
| August 20 | — | — | 2.59 in (2018) |
| August 21 | — | — | 2.10 in (2017) |
| August 22 | — | — | 2.34 in (2011) |
| August 23 | — | — | 3.27 in (2014) |
| August 24 | — | — | 1.23 in (2010) |
| August 25 | — | — | 2.20 in (2012) |
| August 26 | — | — | 0.92 in (2012) |
| August 27 | — | — | 1.19 in (2018) |
| August 28 | — | — | 4.17 in (2014) |
| August 29 | — | — | 0.43 in (2011) |
| August 30 | — | — | 1.02 in (2024) |
| August 31 | — | — | 2.33 in (2021) |