Weather on July 31
New Haven, CT
55 Years of Data
Avg High
84°F
Avg Low
65°F
Warmest
1988
92°F avg
Coldest
1996
65°F avg
About This Date
July 31st in New Haven, CT typically brings warm summer weather, with average highs around 84°F and lows near 65°F. Over 51 years of records, the warmest July 31st was in 1988 (92°F average), while the coldest was 1996 (65°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 35% of July 31st dates historically, with the wettest July 31st recording 7.11" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for July 31st in New Haven, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 65° | 77° | 1.07" | — |
| 2024 | 87° | 77° | 82° | — | — |
| 2023 | 82° | 60° | 71° | 0.03" | — |
| 2022 | 86° | 65° | 75° | — | — |
| 2021 | 76° | 55° | 65° | — | — |
| 2020 | 81° | 70° | 75° | 1.6" | — |
| 2019 | 89° | 71° | 80° | 0.41" | — |
| 2018 | 83° | 65° | 74° | — | — |
| 2017 | 82° | 57° | 70° | — | — |
| 2016 | 79° | 69° | 74° | 1.17" | — |
| 2015 | 87° | 65° | 76° | — | — |
| 2014 | 84° | 62° | 73° | — | — |
| 2013 | 80° | 60° | 70° | — | — |
| 2012 | 75° | 68° | 72° | — | — |
| 2011 | 86° | 67° | 76° | — | — |
| 2010 | 80° | 60° | 70° | — | — |
| 2009 | 84° | 69° | 77° | 3.63" | — |
| 2008 | 85° | 72° | 78° | 0.03" | — |
| 2007 | 87° | 68° | 78° | — | — |
| 2006 | 85° | 63° | 74° | 0.03" | — |
| 2005 | 77° | 63° | 70° | — | — |
| 2004 | 83° | 72° | 77° | — | — |
| 2003 | 75° | 59° | 67° | 0.03" | — |
| 2002 | 88° | 69° | 78° | — | — |
| 2001 | 84° | 52° | 68° | 0.03" | — |
| 2000 | 70° | 64° | 67° | 0.69" | — |
| 1997 | 85° | 58° | 71° | — | — |
| 1996coldest | 73° | 58° | 65° | — | — |
| 1995 | 90° | 63° | 76° | — | — |
| 1992 | 77° | 60° | 69° | 1.75" | — |
| 1991 | 80° | 65° | 72° | — | — |
| 1990 | 87° | 64° | 76° | 0.08" | — |
| 1989 | 83° | 62° | 72° | — | — |
| 1988warmest | 103° | 81° | 92° | 0.05" | — |
| 1987 | 85° | 66° | 75° | 1.27" | — |
| 1986 | 77° | 61° | 69° | — | — |
| 1985 | 86° | 62° | 74° | 7.11" | — |
| 1984 | 85° | 61° | 73° | — | — |
| 1983 | 84° | 71° | 78° | — | — |
| 1982 | 77° | 65° | 71° | — | — |
| 1981 | 86° | 60° | 73° | — | — |
| 1980 | 97° | 67° | 82° | — | — |
| 1979 | 90° | 72° | 81° | — | — |
| 1978 | 89° | 68° | 79° | — | — |
| 1977 | 85° | 66° | 75° | — | — |
| 1976 | 80° | 63° | 71° | — | — |
| 1975 | 93° | 67° | 80° | — | — |
| 1974 | 88° | 65° | 76° | — | — |
| 1973 | 86° | 67° | 76° | — | — |
| 1972 | 74° | 65° | 69° | 0.51" | — |
| 1971 | 82° | 69° | 76° | 1.4" | — |
51 years of data from NEW HAVEN