National Weather Service - Denver, Colorado
Temperature Normals & Extreme for October
|Normal|Record| Year |Record| Year ||Normal|Record| Year |Record| Year |
DATE | High | High | Set |Warmest Set || Low | Low | Set |coldest Set |
| | | |Minimum || | | |Maximum |
-----|------|------|------|------|------||------|------|------|------|------|
1 | 72 | 90# | 1892 | 59 | 1887 || 42 | 27 | 1985 | 37 | 1959 |
2 | 71 | 88 | 2005 | 59 | 1884 || 42 | 26 | 2009 | 40 | 1902 |
3 | 71 | 88 | 2005 | 60 | 1954 || 41 | 31 | 2009^| 42 | 1986 |
4 | 70 | 87 | 1997 | 58 | 1922 || 41 | 28 | 1877 | 35 | 1969 |
5 | 70 | 86 | 1997^| 55 | 1920 || 41 | 20 | 1969 | 44 | 1969 |
6 | 69 | 87 | 1975 | 55 | 1947 || 40 | 26 | 1995 | 35 | 2000 |
7 | 69 | 87 | 1934 | 55 | 2006 || 40 | 23 | 1970 | 38 | 1970 |
8 | 69 | 85 | 1910 | 54 | 1954^|| 39 | 22 | 1970 | 39 | 1990 |
9 | 68 | 87 | 1910 | 55 | 1954 || 39 | 18 | 2009 | 38 | 2018 |
10 | 68 | 89 | 1910 | 56 | 1928 || 39 | 17 | 2009 | 26 | 2009 |
11 | 67 | 87 | 2015 | 57 | 1881 || 38 | 22 | 1946 | 33 | 1986 |
12 | 67 | 87 | 1991^| 55 | 1996 || 38 | 10 | 1969 | 24 | 1969 |
13 | 66 | 85 | 1962 | 56 | 1897 || 38 | 3 | 1969 | 26 | 1969 |
14 | 66 | 85 | 1962 | 56 | 1882 || 37 | 4 | 1969 | 27 | 2018 |
15 | 66 | 85 | 2016 | 54 | 1935 || 37 | 18 | 2018 | 35 | 1984 |
16 | 65 | 89 | 1991 | 54 | 1910 || 37 | 15 | 1969 | 33 | 1969 |
17 | 65 | 86 | 1926 | 56 | 1926 || 36 | 18 | 1969 | 37 | 1989 |
18 | 64 | 84 | 2009^| 54 | 1924 || 36 | 19 | 1916 | 34 | 1908 |
19 | 64 | 86 | 2003 | 52 | 1975^|| 36 | 18 | 1916 | 31 | 1916 |
20 | 64 | 83 | 1950 | 50 | 2012^|| 35 | 21 | 1995 | 32 | 1911 |
21 | 63 | 83 | 2003 | 54 | 1947 || 35 | 17 | 1911 | 26 | 1906 |
22 | 63 | 84 | 2003 | 52 | 1902 || 35 | 8 | 1873 | 27 | 1906 |
23 | 62 | 87 | 1973 | 49 | 2003 || 34 | 16 | 1873 | 30 | 2002 |
24 | 62 | 82 | 2014 | 49 | 1940^|| 34 | 8 | 1887 | 24 | 1887 |
25 | 62 | 84 | 2017 | 50 | 1894 || 33 | 1 | 1873 | 21 | 1997^|
26 | 61 | 83 | 1977 | 49 | 1927 || 33 | 3 | 1997 | 31 | 1923 |
27 | 61 | 83 | 2016 | 47 | 1933^|| 33 | 11 | 1925 | 28 | 1911 |
28 | 61 | 82 | 2016 | 55 | 2016 || 32 | 9 | 1917 | 30 | 1925 |
29 | 60 | 84 | 1950 | 48 | 1981^|| 32 | - 2* | 1917 | 25 | 1993^|
30 | 60 | 80 | 1950 | 49 | 1950 || 32 | 7 | 1991 | 18 | 2002 |
31 | 59 | 79 | 2016^| 51 | 1933 || 31 | 10 | 1991 | 19 | 2002 |
The Normal High and Low Temperatures are calculated from 1981-2010 data.
The Temperature Extremes range from 1872-2018.
^ - Also in previous years.
# - Highest Temperature of the Month: 90 degrees on 10/1/1892.
* - Lowest Temperature of the Month: - 2 degrees on 10/29/1917.
- The October Mean Temperature is 50.9 degrees (from 1981-2010 DIA 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: 11/1/2018
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