August weather in Calmar, IA
The average temperature in Calmar in August is °F (°F–°F). Average precipitation: 4.51 inches.
August is a summer month in Calmar, and is cooler than the annual average of 0°F. Daylight averages about 13h 46m.
Avg High
°F
Avg Low
°F
Precipitation
4.51 in
Daylight
13h 46m
August records in Calmar
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | — | — | 0.72 in (2024) |
| August 2 | — | — | 0.09 in (2013) |
| August 3 | — | — | 0.06 in (2017) |
| August 4 | — | — | 0.06 in (2017) |
| August 5 | — | — | 1.33 in (2016) |
| August 6 | — | — | 0.86 in (2019) |
| August 7 | — | — | 1.77 in (2022) |
| August 8 | — | — | 2.32 in (2009) |
| August 9 | — | — | 2.12 in (2021) |
| August 10 | — | — | 0.77 in (2012) |
| August 11 | — | — | 0.82 in (2023) |
| August 12 | — | — | 0.81 in (2013) |
| August 13 | — | — | 1.06 in (2022) |
| August 14 | — | — | 0.20 in (2017) |
| August 15 | — | — | 0.33 in (2017) |
| August 16 | — | — | 1.12 in (2009) |
| August 17 | — | — | 1.26 in (2017) |
| August 18 | — | — | 3.24 in (2025) |
| August 19 | — | — | 0.34 in (2015) |
| August 20 | — | — | 1.28 in (2009) |
| August 21 | — | — | 0.16 in (2009) |
| August 22 | — | — | 0.57 in (2013) |
| August 23 | — | — | 1.06 in (2011) |
| August 24 | — | — | 6.09 in (2016) |
| August 25 | — | — | 0.27 in (2018) |
| August 26 | — | — | 0.11 in (2023) |
| August 27 | — | — | 0.76 in (2018) |
| August 28 | — | — | 1.81 in (2022) |
| August 29 | — | — | 2.47 in (2018) |
| August 30 | — | — | 1.04 in (2024) |
| August 31 | — | — | 0.33 in (2011) |