Boston, Massachusetts, Average Temperature Rankings, January 2020 1991-2020 Degrees Fahrenheit 1 36.3 30.0 6.3 85 4 1981 2023 2019 2006 top-tenth 2 35.8 32.9 2.9 82 6 1981 2016 2019 2016 top-tenth 3 37.5 36.9 0.6 72 16 1981 2016 2019 2017 top-third 4 42.0 41.4 0.6 75 13 1977 2012 2019 2017 top-third 2008 5 46.8 46.2 0.6 75 13 1977 2012,2016 2019 2017 top-third 1999 6 51.1 50.6 0.5 74 14 1977 2016 2019 2017 top-third 1999 7 54.8 54.0 0.8 77 11 1977 2012,2023 2019 2017 top-third 2013 8 56.4 55.7 0.7 77 11 1941 2012,2023 2019 2017 top-third 2000 9 56.4 56.0 0.4 73 15 1941 2023 2018 2019 top-third 1950 10 55.8 55.2 0.6 76 12 1941 2023 2019 2017 top-third 2000 11 54.0 53.7 0.3 72 16 1941 2023 2019 2019 top-third 2008,2019 12 52.2 51.9 0.3 72 16 1941 2023 2018 2019 top-third 18 51.8 51.4 0.4 73 14 1941 2013 2016 2019 top-third 2008 24 52.4 51.8 0.6 77 10 1941 2023 2019 2018 top-third 2003,2011 36 52.3 51.8 0.5 77 9 1941 2023 2017 2019 top-tenth 2017 48 52.6 51.8 0.8 79 6 1941 2023 2019 2019 top-tenth 2015,2019 60 52.5 51.7 0.8 77 7 1941,1944 2023 2019 2017 top-tenth 2016,2017