Weather on July 20
New Haven, CT
55 Years of Data
Avg High
86°F
Avg Low
67°F
Warmest
1977
88°F avg
Coldest
2000
65°F avg
About This Date
July 20th in New Haven, CT typically brings warm summer weather, with average highs around 86°F and lows near 67°F. Over 51 years of records, the warmest July 20th was in 1977 (88°F average), while the coldest was 2000 (65°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 27% of July 20th dates historically, with the wettest July 20th recording 3.78" of rain. The last decade has been 7.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.4°F warmer on this date compared to 20-30 years ago.
Planning for July 20th in New Haven, CT? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 75° | 81° | 0.28" | — |
| 2024 | 84° | 66° | 75° | — | — |
| 2023 | 86° | 69° | 78° | — | — |
| 2022 | 94° | 73° | 83° | — | — |
| 2021 | 84° | 67° | 75° | — | — |
| 2020 | 94° | 77° | 85° | 0.25" | — |
| 2019 | 94° | 76° | 85° | — | — |
| 2018 | 82° | 61° | 71° | — | — |
| 2017 | 90° | 68° | 79° | — | — |
| 2016 | 79° | 58° | 68° | — | — |
| 2015 | 91° | 74° | 82° | — | — |
| 2014 | 80° | 63° | 71° | — | — |
| 2013 | 93° | 77° | 85° | 0.03" | — |
| 2012 | 70° | 62° | 66° | 0.43" | — |
| 2011 | 87° | 68° | 78° | — | — |
| 2010 | 86° | 71° | 79° | — | — |
| 2009 | 80° | 63° | 71° | — | — |
| 2008 | 89° | 73° | 81° | — | — |
| 2007 | 81° | 65° | 73° | — | — |
| 2006 | 81° | 67° | 74° | 0.33" | — |
| 2005 | 88° | 67° | 77° | — | — |
| 2004 | 83° | 65° | 74° | — | — |
| 2003 | 82° | 57° | 70° | — | — |
| 2002 | 79° | 68° | 73° | — | — |
| 2001 | 84° | 55° | 70° | 0.03" | — |
| 2000coldest | 76° | 55° | 65° | 0.03" | — |
| 1997 | 78° | 53° | 66° | — | — |
| 1996 | 80° | 60° | 70° | 0.1" | — |
| 1995 | 88° | 59° | 73° | — | — |
| 1992 | 84° | 63° | 73° | — | — |
| 1991 | 97° | 73° | 85° | — | — |
| 1990 | 91° | 74° | 82° | — | — |
| 1989 | 81° | 65° | 73° | — | — |
| 1988 | 78° | 73° | 76° | 2.41" | — |
| 1987 | 93° | 59° | 76° | — | — |
| 1986 | 77° | 65° | 71° | — | — |
| 1985 | 89° | 66° | 78° | — | — |
| 1984 | 80° | 59° | 70° | — | — |
| 1983 | 86° | 67° | 76° | 0.08" | — |
| 1982 | 89° | 67° | 78° | 1.52" | — |
| 1981 | 83° | 70° | 76° | 1.45" | — |
| 1980 | 100° | 73° | 87° | — | — |
| 1979 | 90° | 68° | 79° | — | — |
| 1978 | 89° | 68° | 79° | — | — |
| 1977warmest | 99° | 78° | 88° | — | — |
| 1976 | 89° | 69° | 79° | — | — |
| 1975 | 85° | 71° | 78° | — | — |
| 1974 | 86° | 60° | 73° | — | — |
| 1973 | 86° | 72° | 79° | — | — |
| 1972 | 85° | 73° | 79° | 0.3" | — |
| 1971 | 81° | 63° | 72° | 3.78" | — |
51 years of data from NEW HAVEN