NATIONAL WEATHER SERVICE - DENVER, COLORADO MONTHLY TEMPERATURE, RAINFALL, AND SNOWFALL EXTREMES FOR MARCH 20 WARMEST MARCH 20 WETTEST MARCH 20 SNOWIEST MARCH (1873-2021) (1872-2021) (1882-2021) 1 50.4 1910 1 4.56 1983 1 35.2 2003 2 49.2 2012 2 3.80 2021 2 34.0 2021 3 47.9 2017 3 3.50 1992 3 32.5 1944 4 47.2 1907 4 3.10 1990 4 31.3 1891 5 47.1 1986 3.10 1891 5 30.5 1983 6 47.0 1918 6 3.07 1905 6 29.2 1961 7 46.5 1879 7 3.05 2003 7 26.8 1959 8 46.4 2004 8 3.03 1909 8 25.7 1923 46.4 1946 9 2.85 1959 9 25.2 1952 10 46.0 2007 10 2.75 1944 10 24.8 1929 46.0 1887 11 2.51 1961 11 24.0 1981 12 45.7 1916 12 2.41 1949 12 23.9 1906 13 45.2 1878 13 2.36 1886 13 23.5 2013 14 45.1 1911 14 2.29 1940 14 21.9 1990 15 45.0 2015 2.29 1927 15 21.8 1886 45.0 1873 16 2.27 1981 16 20.8 1948 17 44.9 1921 17 2.17 1923 17 20.5 1970 18 44.8 1994 18 2.16 1929 18 20.4 1899 19 44.7 1972 19 2.12 1952 19 20.3 1924 20 44.5 1925 2.12 1938 20 20.2 1909 20 COLDEST MARCH 20 DRIEST MARCH LEAST SNOWIEST MARCH (1873-2021) (1872-2021) (1882-2021) 1 26.4 1912 1 0.03 2012 1 T 2017 2 28.0 1924 2 0.11 1908 2 T 2012 3 29.0 1965 3 0.14 2008 3 T 1995 4 29.7 1906 0.14 2004 4 0.3 1883 5 32.1 1969 5 0.18 1982 5 0.4 1911 6 32.2 1891 6 0.19 1999 6 0.5 1885 7 32.8 1958 7 0.20 1882 7 1.1 1887 8 33.0 1964 8 0.21 1883 8 1.8 2004 9 33.1 1899 0.21 1880 9 2.0 1882 10 33.2 1917 10 0.22 1945 10 2.1 1982 11 33.3 1932 0.22 1873 11 2.1 1908 12 33.5 1970 12 0.23 1935 12 2.5 2011 13 33.6 1915 0.23 1893 13 2.5 1918 14 33.7 1952 0.23 1887 14 2.6 1986 33.7 1948 15 0.26 1997 15 2.6 1898 16 33.8 2002 16 0.28 1995 16 2.8 1966 33.8 1888 0.28 1911 17 2.8 1910 18 33.9 1923 0.28 1898 18 3.9 2015 19 34.4 1880 19 0.30 1946 19 3.0 1935 20 34.5 1944 20 0.31 1950 20 3.0 1890 - Temperatures in degrees Fahrenheit. - Precipitation and Snowfall amounts in inches. - Average March Temperature is 40.4 degrees (from 1981-2010 DIA data). - Average March Precipitation is 0.92 inches (from 1981-2010 DIA data). - Average March Snowfall is 10.7 inches (from 1981-2010 DEN data). - Data collected at the Downtown City Office from 1872-December 1949, then at the Stapleton Airport Office from January 1950-February 1995, then at Denver International Airport from March 1995-Present. UPDATED: 3/31/2021