Olympia, Washington, Average Temperature Rankings, March 2016 1991-2020 Degrees Fahrenheit 1 46.2 44.1 2.1 70 13 1955 1979 2013 2015 top-third 2 45.6 42.4 3.2 78 5 1989 2015 2014 2015 top-tenth 3 43.8 41.5 2.3 74 9 1950 2015 2014 2015 top-third 4 43.0 40.7 2.3 76 7 1949 2015 2014 2015 top-tenth 5 42.7 41.2 1.5 73 10 1949 1981 2014 2015 top-third 1978 6 44.7 42.7 2.0 77 6 1949 2015 2014 2015 top-tenth 7 46.5 45.1 1.4 76 7 1949 2015 2014 2015 top-tenth 1998 8 49.0 47.5 1.5 77 6 1949 2015 2014 2015 top-tenth 1964 9 51.1 49.3 1.8 80 3 1949 2015 2014 2015 top-tenth 1981 10 52.5 50.3 2.2 80 3 1956 2015 2014 2015 top-tenth 11 52.9 50.7 2.2 79 3 1956 2015 2014 2015 top-tenth 12 52.5 50.5 2.0 80 2 1956 2015 2014 2015 top-tenth 1959 18 50.4 47.9 2.5 81 1 1956 2016 2015 2016 highest 24 52.8 50.5 2.3 80 1 1956 2016 2015 2016 highest 36 52.0 50.4 1.6 78 2 1957 2017 2015 2016 top-tenth 48 51.5 50.4 1.1 76 3 1957 2018 2015 2016 top-tenth 60 50.9 50.4 0.5 67 11 2012 2019 2015 1984 top-third 1968,1984