Boston, Massachusetts, Average Temperature Rankings, March 2000 1991-2020 Degrees Fahrenheit 1 43.3 38.3 5.0 83 6 1984 2012 1999 1946 top-tenth 2 38.7 35.1 3.6 86 3 2015 2012 1999 2000 top-tenth 3 35.0 33.4 1.6 77 12 2015 2012 1999 1998 top-third 4 35.6 34.0 1.6 79 9 1948,1959 2012 1999 1998 top-tenth 5 38.1 36.2 1.9 80 8 1948 2012 1999 1991 top-tenth 6 40.6 39.3 1.3 79 9 1940 2012 1999 1991 top-tenth 7 44.3 43.0 1.3 79 9 1940,1941 2012 1999 1991 top-tenth 2017 8 47.7 46.7 1.0 78 10 1941 2012 1999 1991 top-third 2006 9 50.8 49.8 1.0 78 10 1941 2012 1999 1991 top-third 10 52.8 51.6 1.2 79 9 1941 2012 1999 2000 top-tenth 11 53.3 52.2 1.1 79 9 1941 2012 1999 2000 top-tenth 12 53.0 51.9 1.1 79 9 1941 2012 1999 2000 top-tenth 2011 18 48.7 47.6 1.1 80 7 1941 2023 1999 2000 top-tenth 2011 24 52.7 51.8 0.9 80 7 1941 2023 1999 2000 top-tenth 2018 36 52.3 51.8 0.5 75 11 1941 2023 1999 2000 top-third 2002 48 52.1 51.8 0.3 72 13 1941 2023 1999 2000 top-third 2011,2016 60 51.7 51.7 0.0 67 17 1941 2023 1999 2000 top-third 2009