Billings, Montana, Average Temperature Rankings, July 2015 1991-2020 Degrees Fahrenheit 1 72.5 73.3 -0.8 33 43 1993 2021 2010 2014 normal 2 71.2 68.9 2.3 64 12 1993 2021 2014 2012 top-third 3 65.4 64.4 1.0 58 18 1950 1988 2014 2013 top-third 1985,2000,2018 4 61.0 59.7 1.3 60 16 1950 1988 2014 2012 top-third 5 58.2 55.4 2.8 70 6 1951 2012 2014 2012 top-tenth 6 54.1 51.0 3.1 71 5 2019 2016 2014 2012 top-tenth 1961 7 50.6 47.6 3.0 71 5 1950 2016 2014 2012 top-tenth 1992 8 48.0 45.0 3.0 70 5 1950 2016 2014 2012 top-tenth 1987 9 46.1 44.0 2.1 64 11 1979 2016 2014 2012 top-third 10 46.9 44.4 2.5 69 6 1979 2016 2014 2012 top-tenth 11 48.1 46.0 2.1 69 6 1979 2016 2014 2012 top-tenth 12 50.0 48.1 1.9 69 6 1979 2016 2014 2012 top-tenth 1992 18 49.5 49.1 0.4 54 21 1979 2016 2014 2013 top-third 24 48.5 48.1 0.4 56 18 1979 2016 2014 2013 top-third 1964,1977,2001,2008 36 48.7 48.1 0.6 62 11 1952 2017 2012 2014 top-third 2001 48 49.4 48.2 1.2 71 1 1952 2015,2016 2014 2015 highest 2016 60 48.7 48.2 0.5 65 6 1969 2016 2014 2009 top-tenth 2009,2018