August weather in Hartford, CT
The average temperature in Hartford in August is 73.6°F (64.2°F–83.0°F). Average precipitation: 3.48 inches.
August is a summer month in Hartford, and is warmer than the annual average of 52°F. Daily temperatures swing about 18.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 41m. For travel, August is a comfortable month to visit.
Avg High
83.0°F
Avg Low
64.2°F
Precipitation
3.48 in
Daylight
13h 41m
August records in Hartford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (1933) | 50.0°F (1964) | 3.38 in (1985) |
| August 2 | 98.1°F (2006) | 50.0°F (1947) | 1.80 in (1969) |
| August 3 | 102.0°F (1975) | 37.0°F (2020) | 3.18 in (1954) |
| August 4 | 99.0°F (1975) | 46.9°F (1964) | 2.45 in (1979) |
| August 5 | 100.9°F (1955) | 52.0°F (1951) | 1.75 in (1974) |
| August 6 | 95.0°F (1931) | 46.9°F (1957) | 1.73 in (1995) |
| August 7 | 98.1°F (2001) | 46.9°F (1957) | 2.24 in (2008) |
| August 8 | 98.1°F (2001) | 46.9°F (1957) | 1.42 in (1937) |
| August 9 | 102.9°F (2001) | 51.1°F (1944) | 1.88 in (1976) |
| August 10 | 100.0°F (1949) | 43.0°F (1964) | 2.14 in (2012) |
| August 11 | 98.1°F (1944) | 46.0°F (1963) | 1.80 in (1990) |
| August 12 | 98.1°F (1944) | 48.9°F (1963) | 3.18 in (1989) |
| August 13 | 98.1°F (2005) | 46.0°F (1957) | 1.68 in (2014) |
| August 14 | 97.0°F (1988) | 46.0°F (1941) | 1.30 in (1997) |
| August 15 | 95.0°F (1944) | 46.0°F (1963) | 2.00 in (1972) |
| August 16 | 96.1°F (1988) | 46.9°F (1968) | 1.68 in (1920) |
| August 17 | 95.0°F (1944) | 46.0°F (1979) | 1.56 in (1992) |
| August 18 | 97.0°F (1987) | 45.0°F (1941) | 2.67 in (1994) |
| August 19 | 95.0°F (1966) | 44.1°F (1963) | 5.25 in (1955) |
| August 20 | 96.1°F (1937) | 46.0°F (1944) | 2.43 in (1950) |
| August 21 | 97.0°F (1955) | 43.0°F (1984) | 2.76 in (2019) |
| August 22 | 91.9°F (2003) | 43.0°F (1982) | 2.11 in (2021) |
| August 23 | 91.9°F (1976) | 43.0°F (1957) | 2.03 in (1970) |
| August 24 | 93.0°F (1947) | 45.0°F (1940) | 1.92 in (1945) |
| August 25 | 95.0°F (1948) | 37.9°F (1940) | 1.35 in (1941) |
| August 26 | 99.0°F (1948) | 42.1°F (1963) | 1.65 in (1922) |
| August 27 | 98.1°F (1948) | 46.0°F (1940) | 1.45 in (1932) |
| August 28 | 98.1°F (1993) | 46.0°F (1925) | 3.14 in (2011) |
| August 29 | 98.1°F (1953) | 37.9°F (1982) | 1.63 in (2002) |
| August 30 | 97.0°F (1953) | 39.0°F (1982) | 0.93 in (1975) |
| August 31 | 98.1°F (1953) | 37.9°F (1965) | 2.36 in (1954) |