July weather in New Haven, CT
The average temperature in New Haven in July is 73.9°F (65.7°F–82.1°F). Average precipitation: 3.36 inches.
July is a summer month in New Haven, and is warmer than the annual average of 52°F. Daily temperatures swing about 16.4°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 42m. For travel, July is a comfortable month to visit.
Avg High
82.1°F
Avg Low
65.7°F
Precipitation
3.36 in
Daylight
14h 42m
July records in New Haven
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 95.0°F (1963) | 52.0°F (1952) | 1.10 in (1960) |
| July 2 | 95.0°F (1966) | 52.0°F (2007) | 0.59 in (2023) |
| July 3 | 97.0°F (1966) | 52.0°F (2007) | 1.44 in (1967) |
| July 4 | 93.9°F (2010) | 54.0°F (1954) | 1.03 in (2007) |
| July 5 | 95.0°F (2010) | 51.1°F (1954) | 1.69 in (1956) |
| July 6 | 100.0°F (2010) | 52.0°F (1962) | 1.35 in (2019) |
| July 7 | 98.1°F (2010) | 53.1°F (1965) | 0.95 in (2017) |
| July 8 | 91.9°F (2025) | 53.1°F (1948) | 2.84 in (2005) |
| July 9 | 91.0°F (1974) | 52.0°F (1963) | 3.53 in (2021) |
| July 10 | 90.0°F (1974) | 54.0°F (1953) | 0.78 in (2023) |
| July 11 | 91.0°F (2005) | 50.0°F (2002) | 1.23 in (1959) |
| July 12 | 91.9°F (2011) | 53.1°F (2002) | 1.03 in (1975) |
| July 13 | 91.9°F (1952) | 55.0°F (1973) | 1.74 in (2024) |
| July 14 | 91.0°F (1952) | 55.9°F (2009) | 1.34 in (1960) |
| July 15 | 95.0°F (2013) | 54.0°F (2009) | 1.36 in (1961) |
| July 16 | 97.0°F (2013) | 55.0°F (1954) | 3.10 in (2023) |
| July 17 | 93.9°F (1953) | 53.1°F (1954) | 1.97 in (2018) |
| July 18 | 95.0°F (1977) | 55.0°F (1956) | 1.35 in (2019) |
| July 19 | 97.0°F (1977) | 59.0°F (1956) | 4.59 in (1971) |
| July 20 | 93.9°F (2019) | 55.0°F (1965) | 0.89 in (1963) |
| July 21 | 97.0°F (2019) | 52.0°F (1951) | 2.86 in (2009) |
| July 22 | 100.9°F (2011) | 55.0°F (1958) | 0.93 in (2018) |
| July 23 | 93.0°F (2016) | 55.0°F (1977) | 4.29 in (1953) |
| July 24 | 95.0°F (2022) | 55.0°F (1950) | 2.05 in (2008) |
| July 25 | 93.9°F (2025) | 53.1°F (1953) | 0.82 in (1967) |
| July 26 | 91.9°F (2005) | 53.1°F (1953) | 0.50 in (1971) |
| July 27 | 93.0°F (2020) | 52.0°F (1977) | 1.36 in (2004) |
| July 28 | 93.0°F (2020) | 54.0°F (1977) | 1.05 in (1969) |
| July 29 | 95.0°F (2025) | 53.1°F (1968) | 1.00 in (1969) |
| July 30 | 96.1°F (2025) | 52.0°F (1968) | 1.72 in (1960) |
| July 31 | 91.0°F (1954) | 53.1°F (1956) | 1.43 in (2009) |