August weather in Dexter, MI
The average temperature in Dexter in August is 69.6°F (58.9°F–80.4°F). Average precipitation: 3.56 inches.
August is a summer month in Dexter, and is warmer than the annual average of 48.3°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 43m. For travel, August is a comfortable month to visit.
Avg High
80.4°F
Avg Low
58.9°F
Precipitation
3.56 in
Daylight
13h 43m
August records in Dexter
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 95.0°F (2006) | 53.1°F (2009) | 1.12 in (1995) |
| August 2 | 95.0°F (2006) | 51.1°F (2021) | 2.33 in (1979) |
| August 3 | 91.0°F (2007) | 50.0°F (2009) | 1.83 in (1980) |
| August 4 | 96.1°F (2012) | 53.1°F (2021) | 1.28 in (2022) |
| August 5 | 91.9°F (2016) | 50.0°F (2013) | 1.45 in (2000) |
| August 6 | 91.9°F (2018) | 48.9°F (2004) | 0.71 in (1988) |
| August 7 | 89.1°F (2022) | 48.9°F (2002) | 1.75 in (1986) |
| August 8 | 91.0°F (2022) | 48.0°F (2002) | 0.45 in (1992) |
| August 9 | 89.1°F (2005) | 50.0°F (2002) | 2.75 in (2011) |
| August 10 | 91.9°F (2009) | 48.0°F (2008) | 1.47 in (2012) |
| August 11 | 91.9°F (2025) | 48.0°F (2006) | 1.20 in (1983) |
| August 12 | 91.9°F (2016) | 46.9°F (2004) | 2.51 in (2021) |
| August 13 | 93.0°F (2025) | 53.1°F (2007) | 1.88 in (2016) |
| August 14 | 89.1°F (2003) | 46.0°F (2013) | 0.38 in (2002) |
| August 15 | 88.0°F (2025) | 44.1°F (2013) | 1.40 in (2020) |
| August 16 | 89.1°F (2025) | 46.9°F (2004) | 2.34 in (2016) |
| August 17 | 91.9°F (2025) | 45.0°F (2007) | 0.48 in (2000) |
| August 18 | 86.0°F (2015) | 45.0°F (2012) | 1.98 in (2006) |
| August 19 | 87.1°F (2008) | 46.9°F (2023) | 1.69 in (1990) |
| August 20 | 87.1°F (2021) | 46.9°F (2008) | 2.24 in (1980) |
| August 21 | 93.0°F (2003) | 45.0°F (2024) | 0.99 in (2019) |
| August 22 | 91.9°F (2003) | 44.1°F (2004) | 3.25 in (1987) |
| August 23 | 89.1°F (2021) | 48.9°F (2012) | 1.73 in (2002) |
| August 24 | 90.0°F (2008) | 48.0°F (2019) | 1.27 in (2007) |
| August 25 | 91.0°F (2021) | 45.0°F (2017) | 0.74 in (2023) |
| August 26 | 93.0°F (2012) | 45.0°F (2017) | 1.78 in (2000) |
| August 27 | 93.0°F (2024) | 44.1°F (2025) | 2.01 in (1987) |
| August 28 | 93.9°F (2024) | 45.0°F (2015) | 1.92 in (1992) |
| August 29 | 91.0°F (2007) | 45.0°F (2025) | 1.04 in (1989) |
| August 30 | 91.9°F (2010) | 41.0°F (2025) | 0.61 in (1993) |
| August 31 | 91.0°F (2010) | 43.0°F (2009) | 0.46 in (2003) |