August weather in Cheyenne, WY
The average temperature in Cheyenne in August is 67.4°F (53.5°F–81.2°F). Average precipitation: 1.63 inches.
August is a summer month in Cheyenne, and is warmer than the annual average of 46.6°F. Daily temperatures swing about 27.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 39m. For travel, August is a comfortable month to visit.
Avg High
81.2°F
Avg Low
53.5°F
Precipitation
1.63 in
Daylight
13h 39m
August records in Cheyenne
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (2008) | 48.9°F (2014) | 1.09 in (2023) |
| August 2 | 95.0°F (2008) | 50.0°F (2014) | 0.76 in (2023) |
| August 3 | 91.9°F (2024) | 51.1°F (2006) | 0.77 in (2023) |
| August 4 | 93.0°F (2024) | 48.9°F (2012) | 0.25 in (2011) |
| August 5 | 93.0°F (2022) | 48.0°F (2012) | 1.91 in (2008) |
| August 6 | 93.0°F (2012) | 48.9°F (2023) | 0.38 in (2008) |
| August 7 | 93.9°F (2003) | 48.9°F (2023) | 0.92 in (2018) |
| August 8 | 91.9°F (2012) | 50.0°F (2014) | 0.37 in (2023) |
| August 9 | 91.0°F (2006) | 46.9°F (2013) | 0.02 in (2017) |
| August 10 | 89.1°F (2021) | 48.0°F (2013) | 0.40 in (2008) |
| August 11 | 91.0°F (2022) | 48.9°F (2004) | 0.54 in (2017) |
| August 12 | 88.0°F (2022) | 42.1°F (2004) | 0.45 in (2017) |
| August 13 | 93.9°F (2007) | 42.1°F (2004) | 0.22 in (2005) |
| August 14 | 89.1°F (2007) | 42.1°F (2023) | 1.83 in (2018) |
| August 15 | 91.0°F (2015) | 46.0°F (2008) | 2.21 in (2008) |
| August 16 | 91.0°F (2023) | 46.0°F (2008) | 0.85 in (2008) |
| August 17 | 90.0°F (2020) | 46.0°F (2012) | 0.15 in (2003) |
| August 18 | 93.9°F (2020) | 44.1°F (2015) | 0.38 in (2016) |
| August 19 | 91.9°F (2019) | 42.1°F (2012) | 0.21 in (2004) |
| August 20 | 91.9°F (2013) | 37.0°F (2016) | 0.16 in (2021) |
| August 21 | 91.0°F (2007) | 44.1°F (2016) | 0.05 in (2013) |
| August 22 | 93.0°F (2020) | 44.1°F (2015) | 0.87 in (2007) |
| August 23 | 91.0°F (2006) | 37.9°F (2015) | 0.34 in (2007) |
| August 24 | 91.9°F (2020) | 46.0°F (2010) | 0.14 in (2003) |
| August 25 | 93.0°F (2011) | 44.1°F (2016) | 0.11 in (2006) |
| August 26 | 91.9°F (2010) | 48.0°F (2005) | 0.75 in (2006) |
| August 27 | 91.0°F (2011) | 43.0°F (2004) | 0.43 in (2014) |
| August 28 | 90.0°F (2012) | 37.9°F (2004) | 0.12 in (2007) |
| August 29 | 91.9°F (2012) | 44.1°F (2006) | 0.43 in (2011) |
| August 30 | 90.0°F (2015) | 44.1°F (2020) | 0.25 in (2003) |
| August 31 | 91.0°F (2021) | 42.1°F (2005) | 0.06 in (2014) |