August weather in Smithfield, UT
The average temperature in Smithfield in August is 71.0°F (53.0°F–89.0°F). Average precipitation: 0.69 inches.
August is a summer month in Smithfield, and is warmer than the annual average of 47.6°F. Daily temperatures swing about 36°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 41m. For travel, August is hot.
Avg High
89.0°F
Avg Low
53.0°F
Precipitation
0.69 in
Daylight
13h 41m
August records in Smithfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (2020) | 46.0°F (2002) | 1.40 in (2011) |
| August 2 | 104.0°F (2020) | 46.0°F (2001) | 0.42 in (2022) |
| August 3 | 100.0°F (2020) | 44.1°F (2025) | 0.85 in (2023) |
| August 4 | 98.1°F (2020) | 39.0°F (2016) | 0.42 in (2023) |
| August 5 | 99.0°F (2020) | 45.0°F (2002) | 0.14 in (2014) |
| August 6 | 99.0°F (2001) | 45.0°F (2018) | 1.85 in (2022) |
| August 7 | 98.1°F (2001) | 45.0°F (2004) | 0.33 in (2008) |
| August 8 | 99.0°F (2001) | 44.1°F (2004) | 0.26 in (2009) |
| August 9 | 98.1°F (2018) | 37.0°F (2002) | 0.03 in (2024) |
| August 10 | 99.0°F (2018) | 39.0°F (2002) | 0.19 in (2012) |
| August 11 | 99.0°F (2003) | 43.0°F (2002) | 0.39 in (1999) |
| August 12 | 97.0°F (2021) | 44.1°F (2016) | 0.11 in (2024) |
| August 13 | 99.0°F (2021) | 39.9°F (2010) | 0.12 in (2017) |
| August 14 | 100.0°F (2003) | 42.1°F (2002) | 0.04 in (2017) |
| August 15 | 98.1°F (2000) | 45.0°F (2018) | 0.07 in (2009) |
| August 16 | 97.0°F (2007) | 37.0°F (2009) | 0.18 in (2005) |
| August 17 | 99.0°F (2020) | 37.0°F (2002) | 0.06 in (2004) |
| August 18 | 98.1°F (2020) | 39.9°F (2009) | 0.58 in (2021) |
| August 19 | 97.0°F (2020) | 41.0°F (2006) | 0.58 in (2021) |
| August 20 | 97.0°F (2025) | 42.1°F (2016) | 0.50 in (2014) |
| August 21 | 96.1°F (2009) | 44.1°F (2000) | 0.65 in (2021) |
| August 22 | 96.1°F (2009) | 44.1°F (2000) | 0.47 in (2014) |
| August 23 | 96.1°F (2025) | 42.1°F (2010) | 0.35 in (2009) |
| August 24 | 96.1°F (2008) | 39.0°F (2007) | 0.47 in (2009) |
| August 25 | 97.0°F (2011) | 39.9°F (2012) | 0.44 in (2014) |
| August 26 | 96.1°F (2001) | 42.1°F (2001) | 0.20 in (2000) |
| August 27 | 96.1°F (2001) | 36.0°F (2008) | 0.69 in (2025) |
| August 28 | 97.0°F (2017) | 37.9°F (2004) | 0.02 in (2010) |
| August 29 | 97.0°F (2017) | 37.0°F (2018) | 0.09 in (2019) |
| August 30 | 95.0°F (2022) | 39.9°F (2024) | 1.73 in (2000) |
| August 31 | 97.0°F (2022) | 36.0°F (2005) | 0.68 in (2008) |