Number of Days Below 0 °F in Castle Rock by Year

This page contains a list of the number of days in each year that the low temperature fell below 0 degrees Fahrenheit in Castle Rock, Colorado, between 1893 and 2024.

Also see:

Which year had the most days below 0°?

Based on NOAA records, the year 1913 holds the Castle Rock record. There were 37 days with a low temperature below 0 degrees that year.

How many days below 0° so far?

As of April 25, there have been 6 days this year where the low temperature has fallen below 0 degrees Fahrenheit in Castle Rock, Colorado.

The last time it fell below 0° F was January 16, 2024.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days < 0 °F
2024	66	6
2023	75	4
2022	71	5
2021	84	3
2020	97	1
2019	75	4
2018	97	1
2017	93	2
2016	61	7
2015	93	2
2014	41	10
2013	47	9
2012	84	3
2011	33	13
2010	84	3
2009	71	5
2008	53	8
2007	41	10
2006	75	4
2005	75	4
2004	53	8
2003	75	4
2002	66	6
2001	93	2
2000	84	3
1999	97	1
1998	53	8
1997	41	10
1996	33	13
1995	84	3
1994	84	3
1993	40	11
1992	84	3
1991	84	3
1990	53	8
1989	18	18
1988	61	7
1987	66	6
1986	75	4
1985	47	9
1984	47	9
1983	33	13
1982	33	13
1981	66	6
1980	71	5
1979	11	20
1978	47	9
1977	84	3
1976	37	12
1975	22	17
1974	13	19
1973	6	23
1972	6	23
1971	41	10
1970	53	8
1969	37	12
1968	47	9
1967	31	14
1966	13	19
1965	18	18
1964	11	20
1963	22	17
1962	93	2
1961	100	0
1960	100	0
1959	100	0
1958	100	0
1957	100	0
1956	100	0
1955	100	0
1954	100	0
1953	100	0
1952	100	0
1951	100	0
1950	100	0
1949	100	0
1948	100	0
1947	100	0
1946	100	0
1945	100	0
1944	100	0
1943	100	0
1942	100	0
1941	100	0
1940	100	0
1939	100	0
1938	100	0
1937	100	0
1936	100	0
1935	100	0
1934	100	0
1933	100	0
1932	100	0
1931	100	0
1930	100	0
1929	13	19
1928	31	14
1927	28	15
1926	47	9
1925	66	6
1924	2	29
1923	18	18
1922	13	19
1921	53	8
1920	75	4
1919	100	0
1918	26	16
1917	9	22
1916	2	29
1915	9	22
1914	13	19
1913	1	37
1912	5	24
1911	18	18
1910	53	8
1909	6	23
1908	61	7
1907	61	7
1906	41	10
1905	61	7
1904	71	5
1903	22	17
1902	26	16
1901	22	17
1900	41	10
1899	4	28
1898	28	15
1897	28	15
1896	53	8
1895	75	4
1894	37	12
1893	75	4

Weather Station Details

Years	Station	Coordinates
1893–2024	Castle Rock	location