Weather on June 20
Boston, MA
55 Years of Data
Avg High
80°F
Avg Low
62°F
Warmest
2024
83°F avg
Coldest
1986
58°F avg
About This Date
June 20th in Boston, MA typically brings warm summer weather, with average highs around 80°F and lows near 62°F. Over 55 years of records, the warmest June 20th was in 2024 (83°F average), while the coldest was 1986 (58°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 31% of June 20th dates historically, with the wettest June 20th recording 1.55" of rain. The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.
Planning for June 20th in Boston, MA? 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 | 85° | 70° | 77° | — | — |
| 2024warmest | 97° | 69° | 83° | 0.74" | — |
| 2023 | 65° | 56° | 60° | — | — |
| 2022 | 79° | 52° | 65° | — | — |
| 2021 | 89° | 71° | 80° | — | — |
| 2020 | 92° | 69° | 80° | — | — |
| 2019 | 73° | 61° | 67° | 0.94" | — |
| 2018 | 85° | 63° | 74° | — | — |
| 2017 | 86° | 68° | 77° | 0.33" | — |
| 2016 | 83° | 60° | 71° | — | — |
| 2015 | 75° | 58° | 66° | 0.1" | — |
| 2014 | 77° | 61° | 69° | — | — |
| 2013 | 77° | 58° | 67° | — | — |
| 2012 | 97° | 66° | 81° | — | — |
| 2011 | 83° | 62° | 72° | — | — |
| 2010 | 90° | 67° | 78° | 0.41" | — |
| 2009 | 75° | 61° | 68° | — | — |
| 2008 | 80° | 61° | 70° | 0.08" | — |
| 2007 | 79° | 66° | 72° | 0.41" | — |
| 2006 | 84° | 69° | 77° | 0.94" | — |
| 2005 | 71° | 52° | 61° | — | — |
| 2004 | 74° | 56° | 65° | — | — |
| 2003 | 70° | 60° | 65° | — | — |
| 2002 | 73° | 57° | 65° | — | — |
| 2001 | 91° | 68° | 80° | 0.81" | — |
| 2000 | 79° | 60° | 69° | — | — |
| 1999 | 78° | 60° | 69° | — | — |
| 1998 | 70° | 59° | 64° | — | — |
| 1997 | 74° | 67° | 70° | — | — |
| 1996 | 66° | 59° | 63° | 0.3" | — |
| 1995 | 88° | 63° | 75° | — | — |
| 1994 | 85° | 62° | 73° | — | — |
| 1993 | 73° | 62° | 68° | 0.25" | — |
| 1992 | 80° | 65° | 72° | 0.25" | — |
| 1991 | 92° | 64° | 78° | — | — |
| 1990 | 68° | 58° | 63° | — | — |
| 1989 | 80° | 60° | 70° | — | — |
| 1988 | 88° | 67° | 77° | — | — |
| 1987 | 81° | 62° | 71° | — | — |
| 1986coldest | 62° | 54° | 58° | 1.55" | — |
| 1985 | 79° | 62° | 70° | — | — |
| 1984 | 76° | 65° | 70° | — | — |
| 1983 | 82° | 71° | 77° | — | — |
| 1982 | 75° | 57° | 66° | 0.03" | — |
| 1981 | 72° | 67° | 69° | 0.58" | — |
| 1980 | 66° | 53° | 60° | 0.41" | — |
| 1979 | 72° | 57° | 64° | — | — |
| 1978 | 72° | 55° | 63° | — | — |
| 1977 | 86° | 67° | 76° | — | — |
| 1976 | 85° | 70° | 77° | — | — |
| 1975 | 79° | 61° | 70° | — | — |
| 1974 | 84° | 64° | 74° | 0.1" | — |
| 1973 | 82° | 60° | 71° | — | — |
| 1972 | 80° | 56° | 68° | — | — |
| 1971 | 90° | 64° | 77° | — | — |
55 years of data from BOSTON