August weather in West Haven, CT
The average temperature in West Haven in August is 72.9°F (64.7°F–81.0°F). Average precipitation: 3.55 inches.
August is a summer month in West Haven, and is warmer than the annual average of 52°F. Daily temperatures swing about 16.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 39m. For travel, August is a comfortable month to visit.
Avg High
81.0°F
Avg Low
64.7°F
Precipitation
3.55 in
Daylight
13h 39m
August records in West Haven
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 91.9°F (2006) | 55.0°F (1953) | 0.89 in (2011) |
| August 2 | 95.0°F (1955) | 55.0°F (1953) | 1.88 in (1973) |
| August 3 | 95.0°F (1975) | 53.1°F (1959) | 0.90 in (1954) |
| August 4 | 91.9°F (2022) | 52.0°F (1964) | 1.54 in (2024) |
| August 5 | 93.9°F (2005) | 54.0°F (1951) | 1.37 in (2004) |
| August 6 | 93.0°F (1977) | 35.1°F (2004) | 0.97 in (2024) |
| August 7 | 91.9°F (2022) | 30.9°F (2004) | 1.18 in (2011) |
| August 8 | 93.0°F (2022) | 48.9°F (1948) | 2.65 in (1976) |
| August 9 | 93.0°F (2022) | 54.0°F (1964) | 1.84 in (1959) |
| August 10 | 91.9°F (1949) | 48.0°F (1964) | 2.36 in (2012) |
| August 11 | 93.0°F (1949) | 53.1°F (2007) | 1.42 in (2015) |
| August 12 | 93.9°F (2021) | 52.0°F (1962) | 3.24 in (1955) |
| August 13 | 93.9°F (2016) | 50.0°F (1957) | 2.72 in (2014) |
| August 14 | 91.0°F (2016) | 53.1°F (1957) | 2.72 in (2011) |
| August 15 | 89.1°F (1970) | 52.0°F (1961) | 1.65 in (1973) |
| August 16 | 91.0°F (1970) | 50.0°F (1968) | 1.44 in (1952) |
| August 17 | 90.0°F (2009) | 52.0°F (1957) | 1.00 in (1977) |
| August 18 | 91.0°F (2002) | 53.1°F (1957) | 1.97 in (1955) |
| August 19 | 89.1°F (1956) | 50.0°F (1953) | 2.23 in (1955) |
| August 20 | 93.0°F (1955) | 51.1°F (1953) | 3.67 in (1950) |
| August 21 | 91.0°F (1955) | 48.0°F (1949) | 1.45 in (1952) |
| August 22 | 89.1°F (1975) | 51.1°F (1969) | 2.25 in (2010) |
| August 23 | 87.1°F (1976) | 52.0°F (1952) | 1.52 in (1970) |
| August 24 | 89.1°F (1969) | 46.0°F (1952) | 0.40 in (1975) |
| August 25 | 91.9°F (2020) | 48.0°F (1956) | 1.56 in (1958) |
| August 26 | 97.0°F (1948) | 51.1°F (1960) | 0.45 in (1957) |
| August 27 | 100.0°F (1948) | 52.0°F (1964) | 3.05 in (1976) |
| August 28 | 91.9°F (2018) | 48.9°F (1968) | 4.20 in (2006) |
| August 29 | 97.0°F (1953) | 50.0°F (1955) | 2.27 in (2002) |
| August 30 | 91.9°F (2018) | 46.9°F (1965) | 0.63 in (1960) |
| August 31 | 95.0°F (2010) | 43.0°F (1976) | 2.62 in (1954) |