Boulder Monthly Means: Maximum Temperature

Units are degrees Fahrenheit

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Monthly Mean Maximum Temperature Graph
Interactively see where monthly values rank

 

YearJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
1893XXXXXXXXX64.350.649.5
189443.937.754.066.0XX81.680.6XXX41.6
1895 39.7 37.8 47.0 66.8 70.6 72.7 X X X X X X
1896 X X X X X X X X X X X X
1897 X X X X 69.5 74.0 81.0 78.3 75.6 61.6 51.1 39.9
1898 39.9 48.2 45.6 59.8 60.8 77.1 82.2 84.2 73.7 60.4 47.3 39.2
1899 41.4 28.4 45.9 62.5 70.6 78.9 81.0 83.0 78.3 61.4 58.6 47.1
1900 49.0 43.8 56.1 56.3 71.5 81.9 82.5 84.7 73.1 69.4 58.0 50.5
1901 49.1 40.8 51.7 58.6 70.8 78.2 87.8 83.3 75.4 67.4 61.0 46.8
1902 43.1 49.9 49.8 61.1 70.6 79.9 81.5 84.2 74.8 65.7 53.8 48.0
1903 49.5 33.1 47.9 60.0 66.0 71.4 82.7 82.6 73.5 63.4 56.1 51.9
1904 43.7 54.1 57.3 61.4 66.8 72.0 79.7 83.0 76.5 67.2 61.0 48.1
1905 39.2 37.8 54.7 56.4 63.3 77.2 79.2 84.9 79.1 60.2 54.4 46.9
1906 50.4 50.1 39.1 62.1 69.4 75.0 77.3 80.5 73.4 64.6 48.8 51.9
1907 46.1 54.8 60.6 58.9 60.6 75.3 82.5 82.1 75.6 66.1 52.4 47.2
1908 48.2 50.3 57.5 65.8 66.9 76.5 81.0 78.7 78.8 59.6 49.4 45.1
1909 49.2 44.4 42.0 51.3 66.6 77.1 83.4 84.2 74.2 63.2 52.9 29.8
1910 42.2 42.7 64.7 66.5 67.1 80.1 X X 77.9 70.4 59.0 47.5
1911 52.0 42.8 59.5 62.7 71.6 82.6 80.7 84.1 78.9 60.7 51.7 X
1912 X X 43.8 55.9 68.5 74.4 80.6 82.5 68.2 62.9 56.9 44.3
1913 44.2 35.9 49.1 62.4 69.3 78.8 82.3 83.9 72.8 61.2 58.3 39.3
1914 50.9 45.6 56.1 61.7 69.2 82.2 83.6 82.8 81.1 67.5 62.1 35.9
1915 43.0 48.0 42.8 63.1 67.0 75.9 81.4 76.8 74.8 69.4 56.2 47.6
1916 39.0 50.8 62.3 62.5 72.5 81.4 87.0 78.6 76.1 62.4 47.8 36.1
1917 40.1 44.4 43.4 57.0 60.6 82.5 90.4 83.6 77.7 66.1 60.0 51.9
1918 35.9 51.1 61.1 55.5 74.1 83.7 86.6 86.5 72.9 66.3 49.6 43.2
1919 47.6 45.0 52.5 62.8 71.9 83.7 87.8 86.7 78.7 63.7 50.5 51.5
1920 51.2 46.7 52.6 51.3 68.8 77.1 85.5 81.6 76.5 66.5 48.9 45.2
1921 46.0 50.1 59.6 58.8 70.1 78.8 86.4 84.1 80.6 72.6 59.2 49.5
1922 40.0 43.5 54.8 58.4 70.9 85.2 83.5 86.8 81.5 67.1 49.3 49.5
1923 49.4 41.6 45.8 59.7 67.6 76.3 82.8 79.4 72.7 53.2 53.7 44.9
1924 41.3 52.2 38.5 61.0 66.2 83.2 84.2 86.1 69.8 66.7 58.7 38.1
1925 43.9 55.3 59.8 64.9 70.8 79.3 86.1 80.5 76.9 51.0 51.2 42.5
1926 40.8 49.9 47.4 56.5 68.8 77.4 83.4 85.2 74.9 72.2 56.0 44.7
1927 51.0 51.9 51.3 63.6 75.4 77.5 84.7 79.1 76.2 70.5 59.5 40.8
1928 49.5 45.7 52.6 60.8 69.9 74.4 84.1 84.2 80.4 65.7 53.5 44.2
1929 39.3 36.5 51.7 59.7 69.5 83.3 88.4 86.4 72.5 66.7 46.0 51.6
1930 29.4 54.7 50.8 69.7 68.4 84.6 87.2 82.4 78.4 63.8 55.0 45.5
1931 48.1 50.9 50.0 61.3 69.3 85.3 90.7 86.2 82.7 68.1 51.8 46.9
1932 44.6 53.2 46.0 66.2 73.7 79.4 88.0 86.5 79.7 65.2 57.7 35.4
1933 47.8 42.6 56.6 60.2 67.3 86.1 89.5 82.2 80.6 73.4 61.2 56.9
1934 52.2 49.5 60.5 65.3 78.5 85.4 90.8 87.2 77.9 73.9 57.0 49.4
1935 53.2 53.0 57.3 59.1 59.9 79.5 87.7 85.0 77.7 66.0 48.8 47.2
1936 44.5 42.6 56.0 63.5 73.6 82.1 88.3 85.0 77.9 61.2 55.5 47.0
1937 29.3 45.8 49.0 61.6 71.2 76.3 85.4 88.1 79.0 66.0 52.4 44.2
1938 45.7 47.0 52.7 61.6 64.1 78.7 85.1 85.9 76.6 66.5 46.8 43.3
1939 45.3 36.5 52.9 61.0 73.8 80.7 87.9 81.5 76.3 63.6 52.2 50.0
1940 34.1 44.6 54.3 57.6 70.1 82.4 84.2 81.7 72.3 65.0 44.7 41.5
1941 43.1 45.0 44.0 51.2 68.4 73.5 81.8 78.7 69.4 58.4 54.6 45.5
1942 41.2 34.7 47.9 62.7 68.6 76.4 85.7 82.4 72.8 60.0 54.8 48.1
1943 46.0 52.8 49.1 67.2 64.1 77.8 87.6 86.1 75.8 66.5 55.1 44.2
1944 42.5 42.8 44.5 52.8 68.5 76.5 82.1 83.7 74.6 65.5 52.2 44.5
1945 44.1 43.2 53.2 52.5 68.7 72.3 83.9 82.9 71.9 68.0 54.4 42.5
1946 44.5 49.6 58.2 68.2 61.6 81.4 85.2 81.4 74.7 59.7 47.7 49.6
1947 43.5 43.2 47.8 57.2 65.6 74.3 X 89.0 83.8 70.3 46.6 48.1
1948 42.1 42.0 47.4 66.8 73.1 81.4 89.8 88.8 83.3 69.2 51.5 44.5
1949 34.1 46.8 54.9 66.5 73.1 80.6 88.5 88.1 80.8 65.7 66.8 50.1
1950 46.1 54.5 54.1 64.2 68.5 84.1 84.7 85.5 74.3 77.4 56.1 52.4
1951 42.5 49.3 50.4 59.4 72.6 75.5 89.2 85.2 78.0 64.7 53.7 42.7
1952 47.9 50.2 47.8 63.5 71.3 89.6 89.7 87.1 83.1 72.1 48.8 47.5
1953 55.2 48.3 59.7 57.4 67.8 85.8 89.2 87.4 84.9 70.7 57.9 47.1
1954 53.4 61.2 49.2 71.2 72.0 87.2 92.8 88.5 81.1 68.8 59.6 52.8
1955 42.4 42.3 51.5 67.2 73.9 78.7 91.2 87.5 80.3 71.7 51.8 49.5
1956 48.3 41.9 56.1 62.2 75.5 89.9 87.5 85.0 84.5 72.9 54.1 51.5
1957 39.0 54.9 53.7 55.5 66.3 81.6 88.6 88.0 78.3 65.0 50.6 56.0
1958 48.7 51.8 43.3 57.3 76.9 84.4 85.3 88.3 80.6 70.8 56.8 48.9
1959 45.2 42.3 53.3 60.0 69.5 85.3 86.9 87.0 74.8 63.7 55.8 51.5
1960 43.0 38.4 52.4 65.8 72.8 85.3 87.7 88.4 80.6 67.6 57.6 47.4
1961 50.0 52.1 51.0 61.8 71.6 80.6 86.3 85.5 70.6 66.2 49.7 41.5
1962 39.1 46.2 49.6 66.6 74.4 79.9 86.3 88.2 77.8 71.4 59.0 50.9
1963 36.9 52.9 53.8 65.5 77.0 83.6 91.0 82.6 81.5 72.7 58.1 46.5
1964 47.5 43.7 49.2 62.6 73.9 79.2 91.3 85.3 79.2 70.4 53.6 48.2
1965 49.9 45.9 43.4 64.7 72.1 78.2 86.2 83.7 68.8 72.5 58.6 50.6
1966 44.8 43.8 60.6 62.6 77.9 81.4 91.2 85.2 78.2 69.0 56.4 46.3
1967 49.4 51.5 60.8 65.9 67.7 73.9 85.4 83.6 77.9 70.3 54.6 39.9
1968 46.7 48.2 57.7 58.9 69.0 84.9 86.0 83.4 78.6 70.1 49.8 44.9
1969 49.4 48.9 47.5 67.6 74.3 73.7 89.1 88.7 80.4 52.9 54.4 47.6
1970 45.7 55.3 48.5 58.3 74.6 78.7 86.0 86.5 73.9 58.9 52.0 46.6
1971 45.9 44.6 53.5 61.1 67.1 84.1 86.1 86.3 73.1 63.7 53.7 44.8
1972 46.3 52.8 61.0 62.7 70.2 82.4 85.2 83.1 76.0 65.2 45.0 40.5
1973 41.2 47.0 50.4 55.9 69.3 82.8 84.3 88.1 73.3 69.9 51.3 46.9
1974 41.8 51.0 59.5 61.2 77.0 83.5 88.4 83.4 75.2 67.3 51.9 43.8
1975 45.5 46.1 51.9 58.1 67.8 78.7 87.1 86.3 75.0 70.6 51.5 49.8
1976 46.1 53.7 52.1 62.1 69.7 82.1 88.5 84.4 74.0 64.3 52.0 50.1
1977 42.3 51.4 53.7 63.1 74.5 86.7 88.2 82.1 81.5 69.1 53.7 49.8
1978 38.6 39.9 56.6 62.8 70.6 81.4 89.4 85.4 81.1 69.5 52.4 40.7
1979 35.7 50.5 54.3 63.9 X X 87.7 81.1 81.0 70.9 46.9 52.3
1980 40.8 49.2 51.5 61.5 68.8 89.5 90.9 87.1 81.4 67.1 56.5 57.2
1981 52.2 53.8 55.1 71.2 67.0 84.9 87.6 82.5 79.0 62.7 57.3 48.2
1982 47.3 49.6 57.6 65.6 69.3 76.2 86.2 86.3 73.2 63.8 X 47.0
1983 X X 49.9 55.7 66.2 77.2 87.3 90.2 82.7 70.3 54.1 31.7
1984 43.5 48.9 53.3 56.9 76.2 80.3 89.1 85.6 76.0 58.0 54.9 48.1
1985 39.0 43.4 55.6 65.5 74.6 83.8 85.9 89.0 73.5 66.8 41.5 43.9
1986 57.1 49.5 62.2 64.1 71.2 83.7 86.3 84.9 72.6 63.6 53.3 45.0
1987 45.6 48.1 52.6 68.0 71.7 83.7 88.6 82.9 77.1 67.9 53.0 41.7
1988 40.9 49.5 54.2 66.5 73.5 85.7 88.4 86.9 77.3 69.8 54.2 45.4
1989 49.5 35.3 60.1 65.0 74.0 78.6 89.5 X X X X X
1990 X X X 60.6 68.9 86.4 81.6 82.8 77.9 68.7 57.8 40.4
1991 42.3 53.2 55.1 59.9 71.6 79.9 84.0 82.4 75.7 66.5 47.2 46.9
1992 48.2 52.2 54.8 68.1 73.0 76.4 83.0 80.0 79.4 68.4 45.3 41.2
1993 39.0 40.9 53.9 60.2 70.5 79.3 84.3 X 73.4 61.6 48.1 47.0
1994 47.3 45.2 57.5 61.5 77.0 86.8 86.3 85.0 79.7 63.0 47.6 48.4
1995 46.9 51.7 55.2 57.2 62.4 76.1 86.0 89.8 73.7 66.6 57.8 48.3
1996 42.8 51.0 51.0 64.1 73.4 82.0 85.4 85.2 75.4 66.7 53.7 49.1
1997 43.6 43.3 60.7 55.5 71.5 80.3 86.0 81.5 76.8 66.5 49.6 44.3
1998 48.6 48.0 52.1 59.1 74.2 77.6 86.6 84.9 82.3 62.8 55.2 44.1
1999 48.9 55.4 60.3 56.8 69.9 80.1 88.0 82.8 73.1 67.8 63.4 49.0
2000 47.9 54.1 56.0 67.6 76.6 82.8 89.8 88.2 79.0 62.9 43.4 43.5
2001 44.2 43.7 52.5 63.9 72.2 85.1 89.9 86.1 80.5 68.9 57.2 47.1
2002 45.1 50.6 52.7 68.4 71.2 87.1 93.4 87.8 77.6 58.2 52.6 48.3
2003 53.9 43.1 56.4 64.0 71.6 76.2 92.4 87.3 75.6 73.5 49.8 48.3
2004 47.3 45.7 62.8 61.4 74.2 76.2 83.5 81.0 77.9 65.0 50.6 48.3
2005 47.2 49.7 53.9 61.7 70.6 79.9 91.5 84.2 81.666.358.445.6
2006 53.346.4 52.3 69.7 76.0 88.8 88.8 85.3 72.9 63.5 56.446.3
2007 39.6 47.4 61.060.6 72.6 84.6 90.3 88.8 79.6 69.7 58.7 42.0
200843.449.554.0 63.071.6 82.0 92.0 84.476.2 66.059.5 45.0
200950.352.459.1 60.772.5 76.3 84.584.778.357.156.837.8
201044.940.855.762.267.881.588.187.384.069.152.350.0
201145.045.859.362.665.983.988.691.678.268.354.945.1
201252.143.965.869.276.391.289.789.081.064.559.946.3
201346.244.654.057.771.786.286.887.677.760.056.744.3
201448.545.158.5
 

 

1893-1992
type JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
mean 44.6 46.9 52.5 61.7 70.1 80.3 86.0 84.4 77.0 66.2 53.7 46.1
std 5.2 5.9 5.5 4.3 3.9 4.2 3.2 2.8 3.6 4.6 4.4 4.9

 

1961-1990
Type JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
mean 44.9 48.3 54.0 62.9 71.7 81.6 87.5 85.2 76.8 67.0 53.1 45.9
med 45.6 48.9 53.8 62.7 71.7 81.8 87.1 85.2 77.6 67.8 53.3 46.8
std 4.9 4.5 4.6 3.7 3.4 3.8 2.2 2.3 3.6 4.6 4.0 4.8

 

Data was obtained from GCPS (1893-1990) and the local station report(1991-present)

 

Pages are for curiosity only; there are no guarantees that the data is correct.