Weather on June 21
New Haven, CT
55 Years of Data
About This Date
June 21st in New Haven, CT typically brings warm summer weather, with average highs around 81°F and lows near 61°F. Over 50 years of records, the warmest June 21st was in 2012 (85°F average), while the coldest was 2003 (62°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 34% of June 21st dates historically, with the wettest June 21st recording 2.97" of rain. The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in New Haven, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 64° | 75° | — | — |
| 2024 | 92° | 70° | 81° | 2.97" | — |
| 2023 | 73° | 59° | 66° | — | — |
| 2022 | 77° | 55° | 66° | 0.05" | — |
| 2021 | 81° | 70° | 75° | — | — |
| 2020 | 85° | 64° | 74° | — | — |
| 2019 | 79° | 67° | 73° | 0.15" | — |
| 2018 | 78° | 64° | 71° | 0.53" | — |
| 2017 | 81° | 62° | 71° | — | — |
| 2016 | 84° | 63° | 73° | 0.08" | — |
| 2015 | 85° | 66° | 75° | 1.65" | — |
| 2014 | 74° | 54° | 64° | — | — |
| 2013 | 81° | 65° | 73° | — | — |
| 2012warmest | 95° | 75° | 85° | — | — |
| 2011 | 80° | 61° | 70° | — | — |
| 2010 | 89° | 68° | 79° | — | — |
| 2009 | 78° | 65° | 71° | 0.86" | — |
| 2008 | 79° | 58° | 68° | — | — |
| 2007 | 76° | 58° | 67° | 0.03" | — |
| 2006 | 80° | 59° | 70° | — | — |
| 2005 | 79° | 53° | 66° | — | — |
| 2004 | 77° | 48° | 63° | — | — |
| 2003coldest | 68° | 55° | 62° | 2.72" | — |
| 2002 | 77° | 54° | 65° | — | — |
| 2001 | 75° | 64° | 70° | 0.18" | — |
| 2000 | 80° | 56° | 68° | 0.03" | — |
| 1996 | 81° | 60° | 70° | 0.1" | — |
| 1995 | 93° | 64° | 79° | — | — |
| 1992 | 73° | 54° | 63° | — | — |
| 1991 | 89° | 58° | 73° | — | — |
| 1990 | 78° | 67° | 72° | 0.05" | — |
| 1989 | 79° | 64° | 71° | — | — |
| 1988 | 93° | 70° | 81° | — | — |
| 1987 | 91° | 67° | 79° | 0.43" | — |
| 1986 | 76° | 56° | 66° | — | — |
| 1985 | 78° | 57° | 68° | — | — |
| 1984 | 78° | 55° | 67° | — | — |
| 1983 | 84° | 64° | 74° | — | — |
| 1982 | 74° | 55° | 64° | — | — |
| 1981 | 84° | 65° | 74° | 0.08" | — |
| 1980 | 80° | 57° | 69° | — | — |
| 1979 | 87° | 56° | 71° | — | — |
| 1978 | 84° | 62° | 73° | — | — |
| 1977 | 79° | 60° | 69° | 0.38" | — |
| 1976 | 80° | 69° | 75° | — | — |
| 1975 | 82° | 58° | 70° | — | — |
| 1974 | 82° | 66° | 74° | 1.78" | — |
| 1973 | 78° | 64° | 71° | — | — |
| 1972 | 75° | 64° | 70° | — | — |
| 1971 | 83° | 65° | 74° | — | — |
New Haven, CT Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
New Haven, CT Monthly Precipitation
Average rainfall and snowfall per month, in inches.
New Haven, CT Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit New Haven, CT
New Haven, CT has no months that meet our "pleasant" threshold — every season has tradeoffs.