April weather in West Haven, CT
The average temperature in West Haven in April is 48.5°F (39.3°F–57.8°F). Average precipitation: 4.19 inches.
April is a spring month in West Haven, and is cooler than the annual average of 52°F. Daily temperatures swing about 18.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 7m. For travel, April is a comfortable month to visit.
Avg High
57.8°F
Avg Low
39.3°F
Precipitation
4.19 in
Daylight
13h 7m
April records in West Haven
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 69.1°F (1955) | 17.1°F (1969) | 29.00 in (2021) |
| April 2 | 71.1°F (1955) | 21.0°F (1964) | 2.30 in (1970) |
| April 3 | 75.0°F (1967) | 17.1°F (1954) | 1.20 in (2024) |
| April 4 | 71.1°F (2025) | 17.1°F (1954) | 1.23 in (2007) |
| April 5 | 66.9°F (2010) | 23.2°F (2016) | 1.71 in (1957) |
| April 6 | 69.1°F (2010) | 22.1°F (2016) | 1.73 in (1958) |
| April 7 | 82.0°F (2010) | 24.3°F (2007) | 1.46 in (1953) |
| April 8 | 75.9°F (1959) | 27.0°F (2026) | 0.70 in (1956) |
| April 9 | 80.1°F (2013) | 26.2°F (2016) | 0.77 in (2020) |
| April 10 | 78.1°F (1955) | 26.1°F (1977) | 1.02 in (1961) |
| April 11 | 75.0°F (1955) | 24.3°F (2018) | 1.32 in (1958) |
| April 12 | 87.1°F (1977) | 28.0°F (1967) | 1.47 in (2007) |
| April 13 | 81.0°F (2023) | 26.1°F (1967) | 3.61 in (2004) |
| April 14 | 88.0°F (2023) | 27.0°F (1950) | 1.30 in (1964) |
| April 15 | 78.1°F (2024) | 28.9°F (1957) | 3.41 in (2007) |
| April 16 | 84.0°F (2003) | 26.1°F (1957) | 2.36 in (2018) |
| April 17 | 84.9°F (2002) | 28.2°F (2014) | 1.78 in (1954) |
| April 18 | 86.0°F (1976) | 27.0°F (1962) | 0.75 in (1969) |
| April 19 | 82.0°F (1976) | 30.9°F (1962) | 0.90 in (1969) |
| April 20 | 81.0°F (1952) | 30.9°F (1956) | 0.78 in (2015) |
| April 21 | 82.9°F (1957) | 30.0°F (1961) | 0.98 in (2009) |
| April 22 | 80.1°F (1960) | 26.1°F (1975) | 2.00 in (2012) |
| April 23 | 78.1°F (1952) | 11.1°F (2024) | 3.96 in (2006) |
| April 24 | 77.0°F (1957) | 28.9°F (2002) | 1.22 in (1968) |
| April 25 | 82.0°F (1960) | 32.0°F (2003) | 1.13 in (2017) |
| April 26 | 82.0°F (2009) | 30.9°F (1963) | 1.66 in (2019) |
| April 27 | 73.9°F (1949) | 28.0°F (2002) | 1.44 in (2007) |
| April 28 | 80.1°F (2009) | 34.0°F (1948) | 2.17 in (2008) |
| April 29 | 82.0°F (2017) | 32.0°F (1948) | 1.06 in (2023) |
| April 30 | 75.9°F (2007) | 33.1°F (2008) | 1.66 in (1963) |