August weather in Derby, CT
The average temperature in Derby in August is 72.1°F (62.1°F–82.0°F). Average precipitation: 4.56 inches.
August is a summer month in Derby, and is warmer than the annual average of 50.2°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 40m. For travel, August is a comfortable month to visit.
Avg High
82.0°F
Avg Low
62.1°F
Precipitation
4.56 in
Daylight
13h 40m
August records in Derby
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 88.0°F (2011) | 55.9°F (2014) | 1.85 in (1985) |
| August 2 | 87.1°F (2015) | 61.0°F (2013) | 2.22 in (2011) |
| August 3 | 87.1°F (2011) | 55.0°F (2016) | 1.40 in (2002) |
| August 4 | 87.1°F (2018) | 54.0°F (2016) | 1.06 in (1978) |
| August 5 | 86.0°F (2015) | 55.9°F (2013) | 1.53 in (1997) |
| August 6 | 91.0°F (2018) | 52.0°F (2013) | 2.20 in (1990) |
| August 7 | 91.9°F (2018) | 52.0°F (2013) | 0.56 in (1975) |
| August 8 | 90.0°F (2018) | 54.0°F (2014) | 1.72 in (2023) |
| August 9 | 89.1°F (2018) | 55.9°F (2014) | 1.67 in (1992) |
| August 10 | 87.1°F (2016) | 57.0°F (2014) | 2.37 in (1976) |
| August 11 | 86.0°F (2018) | 53.1°F (2013) | 4.04 in (1989) |
| August 12 | 93.0°F (2016) | 60.1°F (2012) | 1.58 in (1989) |
| August 13 | 91.9°F (2016) | 59.0°F (2015) | 1.45 in (2014) |
| August 14 | 93.9°F (2016) | 55.9°F (2013) | 1.25 in (2018) |
| August 15 | 93.9°F (2016) | 50.0°F (2013) | 0.85 in (2004) |
| August 16 | 89.1°F (2016) | 50.0°F (2013) | 0.55 in (2010) |
| August 17 | 88.0°F (2016) | 53.1°F (2013) | 2.02 in (1993) |
| August 18 | 90.0°F (2015) | 54.0°F (2014) | 3.36 in (1974) |
| August 19 | 90.0°F (2015) | 52.0°F (2014) | 4.22 in (2024) |
| August 20 | 86.0°F (2016) | 3.9°F (2017) | 2.23 in (1991) |
| August 21 | 84.0°F (2013) | 60.1°F (2013) | 1.70 in (1997) |
| August 22 | 86.0°F (2013) | 51.1°F (2017) | 1.30 in (2004) |
| August 23 | 82.0°F (2018) | 52.0°F (2017) | 1.76 in (2010) |
| August 24 | 82.9°F (2015) | 50.0°F (2016) | 1.32 in (2021) |
| August 25 | 84.9°F (2016) | 51.1°F (2013) | 1.05 in (1990) |
| August 26 | 84.9°F (2015) | 57.0°F (2014) | 1.10 in (1982) |
| August 27 | 87.1°F (2014) | 57.9°F (2015) | 4.60 in (1976) |
| August 28 | 89.1°F (2014) | 55.0°F (2015) | 5.10 in (1971) |
| August 29 | 93.0°F (2018) | 52.0°F (2014) | 1.53 in (1983) |
| August 30 | 93.9°F (2018) | 52.0°F (2014) | 1.61 in (1974) |
| August 31 | 87.1°F (2015) | 55.9°F (2017) | 0.59 in (1970) |