Weather on August 20
New Haven, CT
55 Years of Data
Avg High
82°F
Avg Low
64°F
Warmest
1983
84°F avg
Coldest
2008
65°F avg
About This Date
August 20th in New Haven, CT typically brings warm summer weather, with average highs around 82°F and lows near 64°F. Over 51 years of records, the warmest August 20th was in 1983 (84°F average), while the coldest was 2008 (65°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 20th dates historically, with the wettest August 20th recording 7.19" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 20th in New Haven, CT? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 59° | 67° | 1.85" | — |
| 2024 | 74° | 59° | 66° | — | — |
| 2023 | 83° | 60° | 71° | — | — |
| 2022 | 90° | 70° | 80° | — | — |
| 2021 | 84° | 74° | 79° | — | — |
| 2020 | 78° | 59° | 69° | — | — |
| 2019 | 87° | 70° | 78° | — | — |
| 2018 | 78° | 66° | 72° | — | — |
| 2017 | 82° | 63° | 72° | — | — |
| 2016 | 83° | 70° | 76° | — | — |
| 2015 | 84° | 75° | 80° | 0.25" | — |
| 2014 | 82° | 61° | 71° | — | — |
| 2013 | 84° | 62° | 73° | — | — |
| 2012 | 77° | 61° | 69° | — | — |
| 2011 | 83° | 68° | 75° | — | — |
| 2010 | 87° | 63° | 75° | — | — |
| 2009 | 88° | 72° | 80° | — | — |
| 2008coldest | 76° | 55° | 65° | — | — |
| 2007 | 72° | 60° | 66° | 0.05" | — |
| 2006 | 86° | 69° | 78° | 1.68" | — |
| 2005 | 79° | 67° | 73° | — | — |
| 2004 | 85° | 69° | 77° | — | — |
| 2003 | 85° | 66° | 75° | — | — |
| 2002 | 79° | 64° | 71° | 0.56" | — |
| 2001 | 81° | 68° | 74° | — | — |
| 1999 | 79° | 57° | 68° | 0.41" | — |
| 1996 | 84° | 56° | 70° | — | — |
| 1995 | 85° | 49° | 67° | — | — |
| 1993 | 95° | 63° | 79° | — | — |
| 1992 | 79° | 57° | 68° | — | — |
| 1991 | 74° | 65° | 69° | 7.19" | — |
| 1990 | 90° | 56° | 73° | — | — |
| 1989 | 90° | 77° | 83° | — | — |
| 1988 | 83° | 64° | 73° | — | — |
| 1987 | 86° | 64° | 75° | 0.18" | — |
| 1986 | 83° | 68° | 75° | — | — |
| 1985 | 76° | 66° | 71° | — | — |
| 1984 | 78° | 59° | 69° | — | — |
| 1983warmest | 96° | 72° | 84° | — | — |
| 1982 | 82° | 66° | 74° | — | — |
| 1981 | 78° | 57° | 68° | — | — |
| 1980 | 75° | 65° | 70° | — | — |
| 1979 | 78° | 63° | 70° | — | — |
| 1978 | 83° | 65° | 74° | — | — |
| 1977 | 80° | 61° | 70° | — | — |
| 1976 | 84° | 57° | 71° | — | — |
| 1975 | 75° | 59° | 67° | — | — |
| 1974 | 89° | 63° | 76° | — | — |
| 1973 | 76° | 62° | 69° | — | — |
| 1972 | 86° | 61° | 73° | — | — |
| 1971 | 88° | 70° | 79° | 0.05" | — |
51 years of data from NEW HAVEN