Castle Rock Record Low by Day of the Year
Data for the record low temperature for each day of the year in
Castle Rock, Colorado , as well as the year that the record was set. It is based on NOAA data for the years 1893–2024.
Change city
Day
Record Low
Year Set or Tied
January 1 -22
1901
January 2 -31
1911
January 3 -23
1911
January 4 -16
1912, 1974
January 5 -25
1972
January 6 -37
1913
January 7 -32
1913
January 8 -16
1912
January 9 -15
1973
January 10 -14
1973
January 11 -23
1963
January 12 -35
1963
January 13 -22
1963
January 14 -11
1972
January 15 -18
2024
January 16 -16
1917
January 17 -16
1915
January 18 -22
1984
January 19 -19
1963
January 20 -15
1924
January 21 -16
1906, 1966
January 22 -19
1915
January 23 -21
1963
January 24 -16
1897
January 25 -21
1897
January 26 -23
1902
January 27 -17
1902
January 28 -13
1973
January 29 -15
1902, 1916
January 30 -17
1979
January 31 -17
1916
February 1 -19
1916
February 2 -17
1989
February 3 -19
1982
February 4 -29
1982
February 5 -28
1899
February 6 -25
1899
February 7 -19
1929
February 8 -27
1929
February 9 -22
1929
February 10 -28
1899
February 11 -32
1899
February 12 -14
2004
February 13 -12
1965
February 14 -17
1903
February 15 -19
1903
February 16 -18
1900
February 17 -17
1910
February 18 -14
2006
February 19 -3
1908
February 20 -13
1911
February 21 -9
1911
February 22 -16
1913
February 23 -18
1913
February 24 -8
1913
February 25 -2
1928
February 26 -10
1964
February 27 -2
1893, 1964
February 28 -10
1918
March 1 -16
1922
March 2 -10
1912
March 3 -13
1965
March 4 -12
1917
March 5 -10
1984
March 6 -10
1984
March 7 -4
1971
March 8 -8
1969, 1998
March 9 -12
1924
March 10 -8
1922, 1969, 1998
March 11 -8
1998
March 12 -4
1927
March 13 -6
1917
March 14 -4
1929
March 15 -1
1913
March 16 -13
1906
March 17 -8
1924
March 18 -16
1923
March 19 -20
1906
March 20 -20
1927
March 21 -12
1914
March 22 -6
1923
March 23 -5
1917
March 24 -5
1965
March 25 -8
1903
March 26 -19
1913
March 27 -11
1899
March 28 -6
1975
March 29 -3
1972, 1975
March 30 -5
1902
March 31 -6
1924
April 1 0
1897
April 2 -7
1975
April 3 5
1975
April 4 0
1968
April 5 6
2023
April 6 -4
1983
April 7 6
1916
April 8 -8
1909, 1928
April 9 4
1973, 1989
April 10 5
1989
April 11 -3
1900
April 12 2
1997
April 13 -2
1997
April 14 6
1922
April 15 12
1912
April 16 6
1983
April 17 -4
1901
April 18 -1
1922
April 19 10
1966
April 20 7
1893
April 21 7
1907
April 22 9
1928
April 23 13
1968
April 24 15
1913
April 25 11
1929
April 26 14
1924
April 27 16
1908
April 28 16
1906
April 29 9
1908
April 30 11
1894
May 1 12
1916
May 2 19
2016
May 3 7
1907
May 4 18
1912
May 5 23
1898, 1908
May 6 16
1917
May 7 16
1915
May 8 20
1924
May 9 21
1927
May 10 19
1927
May 11 21
2006
May 12 21
1964
May 13 24
2000
May 14 21
1907
May 15 14
1916
May 16 23
1916
May 17 19
1916
May 18 22
1983
May 19 20
1915
May 20 25
1895, 1915
May 21 19
2001
May 22 20
1910, 2001
May 23 21
2019
May 24 24
1924
May 25 32
1909, 1989
May 26 30
1924
May 27 24
1924
May 28 24
1924
May 29 23
1924
May 30 22
1924
May 31 24
1924
June 1 25
1924
June 2 29
1917
June 3 32
1897
June 4 31
1893
June 5 30
1973
June 6 31
1917
June 7 28
1915
June 8 32
1906, 1916, 1998
June 9 30
1974
June 10 30
1910
June 11 28
1975
June 12 34
1917
June 13 32
1917
June 14 32
1983
June 15 31
1976
June 16 36
1981
June 17 31
1912
June 18 33
1912
June 19 30
1973
June 20 35
1928
June 21 35
1982
June 22 34
2004
June 23 35
1964
June 24 36
1907
June 25 38
1895, 1910
June 26 38
1968
June 27 32
1895
June 28 40
1907
June 29 37
1907
June 30 42
1908
July 1 41
1913
July 2 40
1906
July 3 39
1918
July 4 32
1903
July 5 41
1895, 1906, 1921, 1972
July 6 38
1902
July 7 36
1902
July 8 39
1928
July 9 39
1929
July 10 40
1983
July 11 43
1895, 1982
July 12 41
1913
July 13 42
1926
July 14 43
1904, 1962
July 15 43
1962
July 16 39
1962
July 17 47
1904
July 18 42
1902
July 19 37
1897
July 20 38
1900
July 21 41
1928
July 22 41
1973
July 23 30
1895
July 24 45
1911, 1915, 1928, 1995
July 25 43
1915, 1973
July 26 42
1913
July 27 43
1913
July 28 45
1909, 1973
July 29 43
1913
July 30 40
1911, 1971
July 31 41
1911
August 1 40
1903, 1911
August 2 40
1911
August 3 36
1911
August 4 42
1928
August 5 43
1916, 1980
August 6 40
1923, 1962
August 7 43
1907, 1928, 1971
August 8 40
1928
August 9 41
1915
August 10 40
1915
August 11 43
1900, 1907, 1915
August 12 41
1902
August 13 40
1920
August 14 43
1920
August 15 42
1926
August 16 38
1978
August 17 40
1927
August 18 40
1927
August 19 44
1915, 1917, 1926, 1968
August 20 38
1899
August 21 36
1964
August 22 35
1964
August 23 39
1896, 1964
August 24 38
1896, 1917
August 25 35
1900, 1972
August 26 34
1910
August 27 35
1992
August 28 38
2004
August 29 35
1894, 1917
August 30 38
1920
August 31 36
2005
September 1 38
1895
September 2 34
1974
September 3 31
1973
September 4 35
1968, 1974
September 5 36
1910, 1962, 1964, 1973
September 6 35
1898
September 7 34
1898
September 8 32
2001
September 9 29
2001
September 10 29
1907
September 11 28
1898
September 12 26
1902
September 13 29
1974
September 14 25
1914
September 15 21
1993
September 16 26
1903
September 17 23
1965
September 18 22
1965
September 19 15
1971
September 20 20
1912
September 21 22
1895
September 22 23
1994
September 23 27
1975
September 24 23
1926
September 25 17
1926
September 26 20
1984
September 27 13
1908
September 28 11
1984
September 29 23
1999
September 30 20
1896
October 1 20
1893
October 2 14
1984
October 3 24
1971
October 4 24
1899
October 5 20
1916
October 6 19
1969, 1995
October 7 19
1896
October 8 17
1992
October 9 17
1970, 1992
October 10 14
1905
October 11 18
1977, 2009
October 12 14
1969
October 13 -2
1969
October 14 2
1969
October 15 9
1897
October 16 10
1898
October 17 9
1911
October 18 12
1917
October 19 7
1916
October 20 11
1984
October 21 13
1908
October 22 14
1906, 1996, 2007
October 23 8
1908
October 24 11
1898
October 25 9
1897, 1981
October 26 -5
1913
October 27 4
1920
October 28 4
1976
October 29 3
1913
October 30 -3
1993
October 31 -2
1993
November 1 4
1912
November 2 -1
1928
November 3 -6
1967
November 4 6
1967
November 5 7
1967
November 6 6
1990
November 7 8
1895
November 8 0
1898
November 9 0
1977
November 10 4
1986
November 11 4
1907
November 12 -2
2014
November 13 -14
1916
November 14 -7
1916
November 15 -5
1997
November 16 -6
1909
November 17 -5
1903
November 18 -1
1971
November 19 -9
1928
November 20 -9
1906
November 21 -3
1898
November 22 -3
1975
November 23 -9
2003
November 24 -2
2003
November 25 -10
1993
November 26 -14
1975
November 27 -12
1896, 1976
November 28 -18
1976
November 29 -9
1896, 1979
November 30 -8
1975
December 1 -5
2004
December 2 -13
1908
December 3 -8
1899
December 4 -9
1909
December 5 -15
2013
December 6 -26
1972
December 7 -25
1927
December 8 -23
1978
December 9 -16
1898
December 10 -25
1972
December 11 -19
1916
December 12 -10
1985
December 13 -22
1926
December 14 -17
1901
December 15 -12
1897
December 16 -11
1972, 2008
December 17 -15
1996
December 18 -26
1909
December 19 -28
1909
December 20 -27
1924
December 21 -24
1990
December 22 -24
1983
December 23 -27
1924
December 24 -16
1926, 1983
December 25 -16
1983
December 26 -20
1912
December 27 -17
1911
December 28 -14
1900
December 29 -16
1898
December 30 -18
1898
December 31 -29
1900
Years with the Most Daily Records
Which years set the greatest number of daily low temperature records in Castle Rock history?
Rank
Year
Records Set
1
1924
16
2
1916
15
3
1913
15
4
1917
13
5
1928
12
6
1915
12
7
1911
12
8
1973
11
9
1898
11
10
1912
10
Daily Records by Decade
This table shows the number of daily low temperature records in Castle Rock that were set in each decade since 1893.
Decade
Records Set
1890s
48
1900s
64
1910s
87
1920s
60
1960s
39
1970s
50
1980s
28
1990s
22
2000s
17
2010s
4
2020s
2
Weather Station Details
Years
Station
Coordinates
1893–2024
Castle Rock
location