August weather in Dayton, ID
The average temperature in Dayton in August is 69.9°F (52.4°F–87.4°F). Average precipitation: 0.81 inches.
August is a summer month in Dayton, and is warmer than the annual average of 47°F. Daily temperatures swing about 35°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 42m. For travel, August is a comfortable month to visit.
Avg High
87.4°F
Avg Low
52.4°F
Precipitation
0.81 in
Daylight
13h 42m
August records in Dayton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 98.1°F (1989) | 39.9°F (1995) | 0.45 in (2010) |
| August 2 | 99.0°F (2020) | 41.0°F (1995) | 0.49 in (2022) |
| August 3 | 97.0°F (1992) | 44.1°F (1985) | 0.39 in (2015) |
| August 4 | 96.1°F (1994) | 42.1°F (1980) | 0.32 in (2023) |
| August 5 | 97.0°F (1994) | 41.0°F (1996) | 1.19 in (1991) |
| August 6 | 100.0°F (2001) | 41.0°F (1982) | 1.54 in (2022) |
| August 7 | 97.0°F (1990) | 37.9°F (1996) | 0.17 in (1967) |
| August 8 | 99.0°F (1990) | 41.0°F (1996) | 0.67 in (1993) |
| August 9 | 99.0°F (1990) | 37.9°F (1995) | 1.03 in (1971) |
| August 10 | 97.0°F (1969) | 37.9°F (1985) | 0.77 in (1968) |
| August 11 | 99.0°F (1992) | 44.1°F (1970) | 0.57 in (1997) |
| August 12 | 97.0°F (2021) | 39.0°F (1985) | 0.17 in (1993) |
| August 13 | 99.0°F (1996) | 36.0°F (1966) | 0.30 in (2024) |
| August 14 | 100.0°F (2003) | 39.9°F (1969) | 0.47 in (1989) |
| August 15 | 96.1°F (1971) | 39.9°F (1985) | 0.99 in (1980) |
| August 16 | 95.0°F (2016) | 37.0°F (2009) | 1.35 in (1980) |
| August 17 | 99.0°F (2020) | 36.0°F (1965) | 0.28 in (1984) |
| August 18 | 99.0°F (2020) | 42.1°F (1968) | 0.60 in (1968) |
| August 19 | 95.0°F (2025) | 37.9°F (1996) | 0.85 in (1984) |
| August 20 | 97.0°F (2025) | 37.9°F (1996) | 0.38 in (1983) |
| August 21 | 96.1°F (1982) | 39.0°F (1966) | 0.55 in (2021) |
| August 22 | 95.0°F (1969) | 35.1°F (1966) | 0.96 in (1968) |
| August 23 | 96.1°F (1969) | 39.0°F (1966) | 0.57 in (2014) |
| August 24 | 96.1°F (1969) | 35.1°F (1992) | 0.20 in (1995) |
| August 25 | 97.0°F (2015) | 36.0°F (1989) | 0.26 in (1987) |
| August 26 | 95.0°F (1970) | 30.0°F (1992) | 0.66 in (1991) |
| August 27 | 95.0°F (1999) | 32.0°F (1992) | 0.86 in (2025) |
| August 28 | 93.9°F (2012) | 37.0°F (1992) | 0.57 in (1991) |
| August 29 | 93.9°F (2016) | 37.9°F (2024) | 0.34 in (1971) |
| August 30 | 95.0°F (2016) | 36.0°F (1965) | 1.37 in (1971) |
| August 31 | 95.0°F (1991) | 34.0°F (1968) | 0.73 in (1999) |