August weather in Mason City, IA
The average temperature in Mason City in August is °F (°F–°F). Average precipitation: 3.74 inches.
August is a summer month in Mason City, and is cooler than the annual average of 0°F. Expect about 9 days with precipitation. Daylight averages about 13h 46m.
Avg High
°F
Avg Low
°F
Precipitation
3.74 in
Daylight
13h 46m
August records in Mason City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | — | — | 1.65 in (2004) |
| August 2 | — | — | 0.94 in (2006) |
| August 3 | — | — | 1.02 in (2004) |
| August 4 | — | — | 1.54 in (2002) |
| August 5 | — | — | 1.30 in (2002) |
| August 6 | — | — | 0.22 in (2007) |
| August 7 | — | — | 0.89 in (2009) |
| August 8 | — | — | 1.13 in (2010) |
| August 9 | — | — | 0.55 in (2008) |
| August 10 | — | — | 0.93 in (2003) |
| August 11 | — | — | 0.83 in (2005) |
| August 12 | — | — | 1.37 in (2002) |
| August 13 | — | — | 0.34 in (2011) |
| August 14 | — | — | 0.76 in (2017) |
| August 15 | — | — | 1.12 in (2001) |
| August 16 | — | — | 0.50 in (2018) |
| August 17 | — | — | 1.09 in (2015) |
| August 18 | — | — | 1.47 in (2007) |
| August 19 | — | — | 4.79 in (2007) |
| August 20 | — | — | 1.00 in (2018) |
| August 21 | — | — | 0.77 in (2017) |
| August 22 | — | — | 0.57 in (2013) |
| August 23 | — | — | 2.08 in (2014) |
| August 24 | — | — | 1.11 in (2018) |
| August 25 | — | — | 1.01 in (2014) |
| August 26 | — | — | 0.54 in (2005) |
| August 27 | — | — | 0.31 in (2008) |
| August 28 | — | — | 1.93 in (2015) |
| August 29 | — | — | 0.43 in (2014) |
| August 30 | — | — | 0.19 in (2011) |
| August 31 | — | — | 0.95 in (2014) |