Weather on June 21
Hartford, CT
55 Years of Data
Avg High
82°F
Avg Low
60°F
Warmest
2012
85°F avg
Coldest
1980
61°F avg
About This Date
June 21st in Hartford, CT typically brings warm summer weather, with average highs around 82°F and lows near 60°F. Over 55 years of records, the warmest June 21st was in 2012 (85°F average), while the coldest was 1980 (61°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 31% of June 21st dates historically, with the wettest June 21st recording 2.34" of rain. The last decade has been 5.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.8°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Hartford, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 60° | 74° | — | — |
| 2024 | 93° | 72° | 82° | 2.34" | — |
| 2023 | 75° | 57° | 66° | — | — |
| 2022 | 75° | 56° | 65° | — | — |
| 2021 | 83° | 71° | 77° | — | — |
| 2020 | 91° | 68° | 80° | — | — |
| 2019 | 77° | 61° | 69° | 0.48" | — |
| 2018 | 86° | 67° | 76° | — | — |
| 2017 | 83° | 63° | 73° | 0.05" | — |
| 2016 | 90° | 66° | 78° | — | — |
| 2015 | 86° | 63° | 74° | 1.52" | — |
| 2014 | 78° | 52° | 65° | — | — |
| 2013 | 84° | 60° | 72° | — | — |
| 2012warmest | 96° | 73° | 85° | — | — |
| 2011 | 86° | 59° | 73° | — | — |
| 2010 | 90° | 66° | 78° | — | — |
| 2009 | 73° | 65° | 69° | 0.38" | — |
| 2008 | 83° | 58° | 70° | 0.03" | — |
| 2007 | 81° | 56° | 68° | 0.61" | — |
| 2006 | 84° | 60° | 72° | — | — |
| 2005 | 86° | 55° | 71° | — | — |
| 2004 | 80° | 51° | 66° | — | — |
| 2003 | 72° | 56° | 64° | 1.09" | — |
| 2002 | 83° | 56° | 69° | — | — |
| 2001 | 75° | 63° | 69° | 0.03" | — |
| 2000 | 81° | 58° | 69° | 0.05" | — |
| 1999 | 77° | 52° | 64° | — | — |
| 1998 | 86° | 64° | 75° | — | — |
| 1997 | 85° | 61° | 73° | — | — |
| 1996 | 83° | 42° | 62° | 0.03" | — |
| 1995 | 82° | 59° | 71° | — | — |
| 1994 | 84° | 63° | 73° | — | — |
| 1993 | 74° | 64° | 69° | 0.15" | — |
| 1992 | 71° | 53° | 62° | — | — |
| 1991 | 93° | 61° | 77° | — | — |
| 1990 | 79° | 65° | 72° | — | — |
| 1989 | 83° | 61° | 72° | — | — |
| 1988 | 83° | 68° | 75° | — | — |
| 1987 | 70° | 62° | 66° | 0.15" | — |
| 1986 | 71° | 51° | 61° | — | — |
| 1985 | 80° | 57° | 69° | 0.2" | — |
| 1984 | 86° | 49° | 67° | — | — |
| 1983 | 84° | 57° | 71° | — | — |
| 1982 | 76° | 52° | 64° | 0.46" | — |
| 1981 | 77° | 64° | 71° | 2.08" | — |
| 1980coldest | 71° | 52° | 61° | — | — |
| 1979 | 82° | 51° | 67° | — | — |
| 1978 | 82° | 62° | 72° | — | — |
| 1977 | 88° | 56° | 72° | 1.22" | — |
| 1976 | 80° | 68° | 74° | — | — |
| 1975 | 79° | 52° | 65° | — | — |
| 1974 | 85° | 65° | 75° | — | — |
| 1973 | 80° | 65° | 72° | — | — |
| 1972 | 76° | 65° | 70° | — | — |
| 1971 | 85° | 65° | 75° | — | — |
55 years of data from HARTFORD BRAINARD FLD