Weather on June 18
New Haven, CT
55 Years of Data
Avg High
79°F
Avg Low
61°F
Warmest
2014
78°F avg
Coldest
2003
60°F avg
About This Date
June 18th in New Haven, CT typically brings pleasant summer weather, with average highs around 79°F and lows near 61°F. Over 50 years of records, the warmest June 18th was in 2014 (78°F average), while the coldest was 2003 (60°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 34% of June 18th dates historically, with the wettest June 18th recording 3.96" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in New Haven, CT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 64° | 72° | 0.13" | — |
| 2024 | 85° | 69° | 77° | — | — |
| 2023 | 80° | 62° | 71° | — | — |
| 2022 | 75° | 55° | 65° | 0.25" | — |
| 2021 | 81° | 53° | 67° | — | — |
| 2020 | 79° | 65° | 72° | — | — |
| 2019 | 70° | 68° | 69° | 2.39" | — |
| 2018 | 83° | 61° | 72° | 0.28" | — |
| 2017 | 79° | 66° | 72° | — | — |
| 2016 | 81° | 52° | 66° | — | — |
| 2015 | 72° | 60° | 66° | — | — |
| 2014warmest | 88° | 69° | 78° | — | — |
| 2013 | 80° | 62° | 71° | 0.61" | — |
| 2012 | 70° | 60° | 65° | — | — |
| 2011 | 79° | 61° | 70° | — | — |
| 2010 | 83° | 59° | 71° | — | — |
| 2009 | 66° | 61° | 63° | 3.96" | — |
| 2008 | 73° | 55° | 64° | 0.84" | — |
| 2007 | 79° | 63° | 71° | — | — |
| 2006 | 85° | 63° | 74° | — | — |
| 2005 | 73° | 57° | 65° | — | — |
| 2004 | 82° | 65° | 73° | 0.13" | — |
| 2003coldest | 65° | 56° | 60° | 2.92" | — |
| 2002 | 75° | 52° | 63° | — | — |
| 2001 | 83° | 62° | 72° | — | — |
| 2000 | 71° | 59° | 65° | 0.43" | — |
| 1996 | 81° | 65° | 73° | 0.56" | — |
| 1995 | 90° | 55° | 72° | — | — |
| 1992 | 77° | 60° | 69° | — | — |
| 1991 | 76° | 57° | 66° | — | — |
| 1990 | 79° | 60° | 69° | 0.76" | — |
| 1989 | 85° | 69° | 77° | 1.02" | — |
| 1988 | 75° | 65° | 70° | — | — |
| 1987 | 82° | 59° | 71° | — | — |
| 1986 | 79° | 51° | 65° | — | — |
| 1985 | 78° | 64° | 71° | 0.1" | — |
| 1984 | 69° | 61° | 65° | 0.28" | — |
| 1983 | 79° | 62° | 70° | — | — |
| 1982 | 77° | 60° | 69° | — | — |
| 1981 | 83° | 60° | 71° | 0.08" | — |
| 1980 | 78° | 57° | 68° | — | — |
| 1979 | 87° | 66° | 77° | 3.05" | — |
| 1978 | 80° | 58° | 69° | — | — |
| 1977 | 82° | 65° | 73° | — | — |
| 1976 | 82° | 66° | 74° | — | — |
| 1975 | 81° | 66° | 73° | — | — |
| 1974 | 82° | 69° | 76° | — | — |
| 1973 | 76° | 58° | 67° | — | — |
| 1972 | 73° | 64° | 69° | — | — |
| 1971 | 84° | 60° | 72° | — | — |
50 years of data from NEW HAVEN