August weather in Dayton, WY
The average temperature in Dayton in August is 67.0°F (49.7°F–84.3°F). Average precipitation: 0.88 inches.
August is a summer month in Dayton, and is warmer than the annual average of 43.9°F. Daily temperatures swing about 34.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 53m. For travel, August is a comfortable month to visit.
Avg High
84.3°F
Avg Low
49.7°F
Precipitation
0.88 in
Daylight
13h 53m
August records in Dayton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (2008) | 45.0°F (2018) | 0.12 in (2010) |
| August 2 | 97.0°F (2022) | 46.0°F (2022) | 1.00 in (1953) |
| August 3 | 93.9°F (2016) | 41.0°F (2007) | 0.49 in (1998) |
| August 4 | 91.0°F (2021) | 41.0°F (2012) | 0.74 in (1998) |
| August 5 | 91.9°F (2021) | 43.0°F (2012) | 2.56 in (1997) |
| August 6 | 93.0°F (2025) | 41.0°F (2007) | 0.51 in (2000) |
| August 7 | 93.9°F (2008) | 34.0°F (2022) | 0.14 in (1996) |
| August 8 | 99.0°F (2021) | 35.1°F (2022) | 0.42 in (2016) |
| August 9 | 95.0°F (2012) | 42.1°F (2022) | 0.43 in (2015) |
| August 10 | 100.0°F (2022) | 41.0°F (2017) | 1.14 in (1952) |
| August 11 | 98.1°F (2007) | 41.0°F (2017) | 0.09 in (2012) |
| August 12 | 100.0°F (2018) | 42.1°F (2022) | 0.24 in (1993) |
| August 13 | 99.0°F (2018) | 44.1°F (2011) | 0.10 in (2016) |
| August 14 | 95.0°F (2021) | 42.1°F (2022) | 0.76 in (1951) |
| August 15 | 100.0°F (2015) | 39.9°F (2009) | 0.50 in (2018) |
| August 16 | 98.1°F (2021) | 39.0°F (2022) | 0.46 in (1997) |
| August 17 | 99.0°F (2023) | 42.1°F (2007) | 0.55 in (1997) |
| August 18 | 97.0°F (2024) | 41.0°F (2015) | 0.48 in (2015) |
| August 19 | 102.0°F (2025) | 35.1°F (2022) | 1.11 in (2016) |
| August 20 | 98.1°F (2024) | 37.9°F (2016) | 0.09 in (1998) |
| August 21 | 99.0°F (2024) | 37.9°F (2016) | 0.21 in (1992) |
| August 22 | 99.0°F (2010) | 37.9°F (2008) | 0.40 in (2002) |
| August 23 | 97.0°F (2024) | 28.9°F (2015) | 0.67 in (2014) |
| August 24 | 98.1°F (2024) | 28.9°F (2015) | 0.57 in (2019) |
| August 25 | 97.0°F (2008) | 37.9°F (2012) | 0.14 in (2024) |
| August 26 | 96.1°F (2007) | 39.0°F (2016) | 0.80 in (2024) |
| August 27 | 98.1°F (2010) | 28.0°F (2022) | 0.42 in (1957) |
| August 28 | 95.0°F (2011) | 30.9°F (2022) | 0.43 in (2025) |
| August 29 | 96.1°F (2012) | 32.0°F (2022) | 0.52 in (2025) |
| August 30 | 99.0°F (2012) | 34.0°F (2020) | 0.21 in (1956) |
| August 31 | 93.0°F (2013) | 34.0°F (2020) | 0.28 in (1957) |