Weather on June 30
New Haven, CT
55 Years of Data
Avg High
82°F
Avg Low
64°F
Warmest
1990
83°F avg
Coldest
1988
62°F avg
About This Date
June 30th in New Haven, CT typically brings warm summer weather, with average highs around 82°F and lows near 64°F. Over 50 years of records, the warmest June 30th was in 1990 (83°F average), while the coldest was 1988 (62°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 32% of June 30th dates historically, with the wettest June 30th recording 3.3" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in New Haven, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 67° | 78° | — | — |
| 2024 | 84° | 70° | 77° | 1.17" | — |
| 2023 | 83° | 64° | 73° | — | — |
| 2022 | 84° | 62° | 73° | — | — |
| 2021 | 93° | 74° | 83° | 0.05" | — |
| 2020 | 75° | 64° | 70° | 0.38" | — |
| 2019 | 83° | 69° | 76° | 0.1" | — |
| 2018 | 89° | 71° | 80° | — | — |
| 2017 | 82° | 69° | 76° | — | — |
| 2016 | 81° | 66° | 73° | — | — |
| 2015 | 80° | 59° | 70° | — | — |
| 2014 | 82° | 68° | 75° | — | — |
| 2013 | 80° | 68° | 74° | — | — |
| 2012 | 91° | 68° | 80° | — | — |
| 2011 | 78° | 62° | 70° | — | — |
| 2010 | 78° | 59° | 69° | — | — |
| 2009 | 81° | 61° | 71° | — | — |
| 2008 | 83° | 72° | 77° | 0.13" | — |
| 2007 | 78° | 60° | 69° | — | — |
| 2006 | 80° | 63° | 71° | — | — |
| 2005 | 77° | 69° | 73° | 0.08" | — |
| 2004 | 80° | 59° | 70° | — | — |
| 2003 | 82° | 65° | 73° | 0.03" | — |
| 2002 | 81° | 63° | 72° | — | — |
| 2001 | 91° | 66° | 79° | — | — |
| 2000 | 80° | 59° | 70° | 0.03" | — |
| 1996 | 74° | 58° | 66° | 0.46" | — |
| 1995 | 83° | 52° | 67° | — | — |
| 1992 | 80° | 66° | 73° | — | — |
| 1991 | 95° | 62° | 79° | 1.02" | — |
| 1990warmest | 92° | 75° | 83° | 1.78" | — |
| 1989 | 79° | 58° | 68° | — | — |
| 1988coldest | 74° | 51° | 62° | — | — |
| 1987 | 89° | 68° | 79° | — | — |
| 1986 | 86° | 61° | 73° | — | — |
| 1985 | 80° | 71° | 76° | — | — |
| 1984 | 72° | 63° | 67° | 0.3" | — |
| 1983 | 83° | 59° | 71° | — | — |
| 1982 | 84° | 63° | 73° | — | — |
| 1981 | 88° | 59° | 73° | — | — |
| 1980 | 66° | 62° | 64° | 3.18" | — |
| 1979 | 79° | 66° | 72° | 1.52" | — |
| 1978 | 90° | 60° | 75° | — | — |
| 1977 | 86° | 67° | 76° | — | — |
| 1976 | 77° | 67° | 72° | — | — |
| 1975 | 82° | 62° | 72° | — | — |
| 1974 | 80° | 60° | 70° | — | — |
| 1973 | 75° | 68° | 72° | 2.26" | — |
| 1972 | 75° | 63° | 69° | 3.3" | — |
| 1971 | 90° | 68° | 79° | — | — |
50 years of data from NEW HAVEN