Weather on June 21
Edison, NJ
55 Years of Data
Avg High
83°F
Avg Low
62°F
Warmest
2012
84°F avg
Coldest
2004
62°F avg
About This Date
June 21st in Edison, NJ typically brings warm summer weather, with average highs around 83°F and lows near 62°F. Over 55 years of records, the warmest June 21st was in 2012 (84°F average), while the coldest was 2004 (62°F) — a 22°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 1.73" of rain. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Edison, NJ? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 65° | 74° | — | — |
| 2024 | 93° | 71° | 82° | — | — |
| 2023 | 74° | 60° | 67° | — | — |
| 2022 | 80° | 53° | 67° | — | — |
| 2021 | 88° | 72° | 80° | — | — |
| 2020 | 86° | 61° | 73° | — | — |
| 2019 | 86° | 69° | 78° | 0.81" | — |
| 2018 | 85° | 67° | 76° | — | — |
| 2017 | 85° | 64° | 74° | — | — |
| 2016 | 91° | 69° | 80° | — | — |
| 2015 | 73° | 66° | 70° | 0.94" | — |
| 2014 | 82° | 62° | 72° | — | — |
| 2013 | 81° | 54° | 67° | — | — |
| 2012warmest | 97° | 71° | 84° | — | — |
| 2011 | 84° | 66° | 75° | — | — |
| 2010 | 93° | 65° | 79° | — | — |
| 2009 | 71° | 63° | 67° | 0.94" | — |
| 2008 | 82° | 56° | 69° | — | — |
| 2007 | 80° | 55° | 68° | 0.36" | — |
| 2006 | 85° | 62° | 73° | — | — |
| 2005 | 78° | 51° | 65° | — | — |
| 2004coldest | 75° | 49° | 62° | — | — |
| 2003 | 69° | 59° | 64° | 1.5" | — |
| 2002 | 83° | 55° | 69° | — | — |
| 2001 | 89° | 65° | 77° | — | — |
| 2000 | 85° | 60° | 72° | — | — |
| 1999 | 74° | 57° | 65° | 1.19" | — |
| 1998 | 91° | 66° | 79° | 0.81" | — |
| 1997 | 89° | 63° | 76° | — | — |
| 1996 | 72° | 64° | 68° | 0.03" | — |
| 1995 | 93° | 69° | 81° | — | — |
| 1994 | 83° | 59° | 71° | — | — |
| 1993 | 79° | 67° | 73° | 1.73" | — |
| 1992 | 79° | 54° | 66° | — | — |
| 1991 | 90° | 62° | 76° | — | — |
| 1990 | 78° | 63° | 70° | 0.13" | — |
| 1989 | 80° | 63° | 71° | 0.18" | — |
| 1988 | 90° | 66° | 78° | — | — |
| 1987 | 93° | 68° | 81° | 0.3" | — |
| 1986 | 82° | 54° | 68° | — | — |
| 1985 | 78° | 53° | 66° | 0.08" | — |
| 1984 | 84° | 59° | 72° | — | — |
| 1983 | 79° | 63° | 71° | 1.55" | — |
| 1982 | 75° | 55° | 65° | — | — |
| 1981 | 83° | 64° | 73° | 0.08" | — |
| 1980 | 73° | 58° | 65° | — | — |
| 1979 | 82° | 53° | 68° | — | — |
| 1978 | 86° | 63° | 74° | — | — |
| 1977 | 85° | 57° | 71° | 1.22" | — |
| 1976 | 85° | 69° | 77° | 0.28" | — |
| 1975 | 85° | 55° | 70° | — | — |
| 1974 | 86° | 66° | 76° | — | — |
| 1973 | 84° | 66° | 75° | — | — |
| 1972 | 79° | 64° | 71° | — | — |
| 1971 | 84° | 63° | 73° | — | — |
55 years of data from NEW BRUNSWICK 3 SE