Weather on July 17
New Haven, CT
55 Years of Data
Avg High
86°F
Avg Low
68°F
Warmest
1988
89°F avg
Coldest
1989
66°F avg
About This Date
July 17th in New Haven, CT typically brings warm summer weather, with average highs around 86°F and lows near 68°F. Over 51 years of records, the warmest July 17th was in 1988 (89°F average), while the coldest was 1989 (66°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 24% of July 17th dates historically, with the wettest July 17th recording 5" of rain. The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
Planning for July 17th in New Haven, CT? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 78° | 84° | 0.08" | — |
| 2024 | 90° | 74° | 82° | 2.26" | — |
| 2023 | 89° | 74° | 81° | — | — |
| 2022 | 86° | 73° | 80° | — | — |
| 2021 | 90° | 75° | 82° | — | — |
| 2020 | 80° | 68° | 74° | — | — |
| 2019 | 91° | 75° | 83° | 0.71" | — |
| 2018 | 86° | 72° | 79° | 5" | — |
| 2017 | 83° | 65° | 74° | — | — |
| 2016 | 87° | 72° | 79° | — | — |
| 2015 | 79° | 57° | 68° | — | — |
| 2014 | 80° | 67° | 73° | — | — |
| 2013 | 91° | 76° | 83° | — | — |
| 2012 | 91° | 73° | 82° | — | — |
| 2011 | 86° | 70° | 78° | — | — |
| 2010 | 89° | 74° | 81° | — | — |
| 2009 | 85° | 66° | 75° | 0.2" | — |
| 2008 | 87° | 67° | 77° | — | — |
| 2007 | 83° | 60° | 71° | — | — |
| 2006 | 92° | 67° | 79° | — | — |
| 2005 | 79° | 70° | 74° | 0.28" | — |
| 2004 | 83° | 63° | 73° | — | — |
| 2003 | 81° | 62° | 71° | — | — |
| 2002 | 81° | 57° | 69° | — | — |
| 2001 | 73° | 63° | 68° | 0.2" | — |
| 2000 | 80° | 65° | 72° | — | — |
| 1997 | 91° | 70° | 80° | — | — |
| 1996 | 88° | 67° | 77° | — | — |
| 1995 | 84° | 63° | 73° | — | — |
| 1992 | 76° | 60° | 68° | — | — |
| 1991 | 93° | 64° | 79° | — | — |
| 1990 | 88° | 69° | 78° | — | — |
| 1989coldest | 74° | 58° | 66° | 2.54" | — |
| 1988warmest | 96° | 82° | 89° | 0.08" | — |
| 1987 | 93° | 64° | 79° | — | — |
| 1986 | 85° | 65° | 75° | — | — |
| 1985 | 87° | 65° | 76° | — | — |
| 1984 | 81° | 64° | 72° | — | — |
| 1983 | 95° | 69° | 82° | — | — |
| 1982 | 93° | 71° | 82° | — | — |
| 1981 | 89° | 65° | 77° | — | — |
| 1980 | 92° | 75° | 83° | — | — |
| 1979 | 89° | 74° | 81° | 0.25" | — |
| 1978 | 72° | 65° | 68° | — | — |
| 1977 | 97° | 73° | 85° | — | — |
| 1976 | 80° | 64° | 72° | 1.07" | — |
| 1975 | 82° | 70° | 76° | — | — |
| 1974 | 83° | 62° | 72° | — | — |
| 1973 | 86° | 63° | 74° | — | — |
| 1972 | 87° | 72° | 79° | 3.66" | — |
| 1971 | 82° | 69° | 76° | — | — |
51 years of data from NEW HAVEN