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NATIONAL WEATHER SERVICE - DENVER, COLORADO MONTHLY TEMPERATURE, RAINFALL, AND SNOWFALL EXTREMES FOR JULY 20 WARMEST JULY 20 WETTEST JULY SNOWIEST JULY (1872-2020) (1872-2020) (1882-2020) 1 78.9 2012 1 6.41 1965 Numerous Years 2 77.8 1934 2 5.92 1998 With No 3 77.7 2005 3 5.60 1997 Snowfall (137) 4 77.6 2008 4 5.24 1919 5 77.3 1936 5 4.76 2001 6 77.1 1939 6 4.28 1895 7 76.9 2003 7 4.17 1956 76.9 1966 4.17 1909 9 76.7 2001 4.17 1875 76.7 2000 10 4.11 1991 76.7 1954 11 3.85 2014 12 76.5 2020 12 3.84 1999 76.5 1901 13 3.71 1985 14 76.4 2017 14 3.70 2010 76.4 1980 15 3.57 1990 16 76.3 2007 16 3.56 2009 17 76.2 2016 17 3.50 1958 76.2 2006 18 3.47 1910 76.2 2002 19 3.41 2011 20 76.1 1874 20 3.35 1874 20 COLDEST JULY 20 DRIEST JULY LEAST SNOWIEST JULY (1872-2020) (1872-2020) (1882-2020) 1 67.3 1895 1 0.01 1901 Numerous Years 2 68.2 1906 2 0.08 1939 with No 3 68.7 1915 3 0.24 2008 Snowfall (137) 68.7 1904 4 0.27 2005 5 68.9 1950 5 0.31 1917 68.9 1905 6 0.32 1934 68.9 1891 7 0.33 1924 8 69.0 1875 0.33 1877 9 69.1 1967 9 0.34 1891 69.1 1872 10 0.41 1888 11 69.3 1912 11 0.43 2007 12 69.6 1911 12 0.45 1920 13 69.7 1897 13 0.47 2017 69.7 1887 14 0.48 2012 15 69.8 1908 0.50 1994 16 70.2 2009 16 0.50 1886 70.2 1972 0.54 2003 70.2 1902 0.54 1978 19 70.3 1958 19 0.54 1962 20 70.5 1992 20 0.55 1963 70.5 1899 - Temperatures in degrees Fahrenheit. - Precipitation and Snowfall amounts in inches. - Average July Temperature is 74.2 degrees (from 1981-2010 DIA data). - Average July Precipitation is 2.16 inches (from 1981-2010 DIA data). - Average July Snowfall is 0.0 inches (from 1981-2010 DEN data). # Warmest Month in Denver History. - 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: 8/2/2020