Weather on August 12
Boston, MA
55 Years of Data
Avg High
80°F
Avg Low
66°F
Warmest
2016
88°F avg
Coldest
1979
59°F avg
About This Date
August 12th in Boston, MA typically brings warm summer weather, with average highs around 80°F and lows near 66°F. Over 55 years of records, the warmest August 12th was in 2016 (88°F average), while the coldest was 1979 (59°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 33% of August 12th dates historically, with the wettest August 12th recording 4.52" of rain. The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
Planning for August 12th in Boston, MA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 73° | 82° | — | — |
| 2024 | 79° | 65° | 72° | — | — |
| 2023 | 82° | 63° | 72° | — | — |
| 2022 | 80° | 67° | 73° | — | — |
| 2021 | 96° | 76° | 86° | — | — |
| 2020 | 93° | 74° | 83° | — | — |
| 2019 | 87° | 65° | 76° | — | — |
| 2018 | 75° | 67° | 71° | 3.51" | — |
| 2017 | 76° | 63° | 69° | 0.25" | — |
| 2016warmest | 98° | 78° | 88° | 0.03" | — |
| 2015 | 85° | 68° | 76° | — | — |
| 2014 | 82° | 64° | 73° | — | — |
| 2013 | 84° | 65° | 74° | — | — |
| 2012 | 84° | 72° | 78° | 0.03" | — |
| 2011 | 83° | 65° | 74° | — | — |
| 2010 | 75° | 63° | 69° | — | — |
| 2009 | 70° | 66° | 68° | — | — |
| 2008 | 75° | 61° | 68° | 0.25" | — |
| 2007 | 85° | 68° | 76° | — | — |
| 2006 | 77° | 57° | 67° | — | — |
| 2005 | 79° | 66° | 72° | — | — |
| 2004 | 85° | 68° | 76° | 1.42" | — |
| 2003 | 80° | 67° | 73° | 0.1" | — |
| 2002 | 90° | 70° | 80° | — | — |
| 2001 | 67° | 64° | 65° | 2.84" | — |
| 2000 | 72° | 64° | 68° | — | — |
| 1999 | 81° | 64° | 72° | — | — |
| 1998 | 70° | 60° | 65° | 0.18" | — |
| 1997 | 74° | 64° | 69° | 0.03" | — |
| 1996 | 72° | 62° | 67° | — | — |
| 1995 | 87° | 72° | 79° | — | — |
| 1994 | 78° | 66° | 72° | — | — |
| 1993 | 74° | 62° | 68° | — | — |
| 1992 | 73° | 61° | 67° | — | — |
| 1991 | 78° | 66° | 72° | — | — |
| 1990 | 89° | 69° | 79° | — | — |
| 1989 | 75° | 63° | 69° | 1.04" | — |
| 1988 | 95° | 77° | 86° | — | — |
| 1987 | 70° | 58° | 64° | — | — |
| 1986 | 80° | 64° | 72° | — | — |
| 1985 | 76° | 64° | 70° | — | — |
| 1984 | 74° | 67° | 70° | — | — |
| 1983 | 64° | 56° | 60° | 2.69" | — |
| 1982 | 70° | 65° | 67° | — | — |
| 1981 | 85° | 72° | 78° | — | — |
| 1980 | 88° | 65° | 76° | 0.08" | — |
| 1979coldest | 62° | 56° | 59° | 4.52" | — |
| 1978 | 70° | 65° | 67° | 0.08" | — |
| 1977 | 74° | 66° | 70° | 0.64" | — |
| 1976 | 89° | 67° | 78° | — | — |
| 1975 | 83° | 68° | 75° | 0.3" | — |
| 1974 | 80° | 62° | 71° | — | — |
| 1973 | 89° | 72° | 80° | — | — |
| 1972 | 78° | 61° | 69° | — | — |
| 1971 | 79° | 64° | 71° | 0.38" | — |
55 years of data from BOSTON