Number of Days Below 32 °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 32 degrees Fahrenheit in Castle Rock, Colorado, between 1893 and 2024.

Also see:

Which year had the most days below freezing?

Based on NOAA records, the year 1912 holds the Castle Rock record. There were 220 days with a low temperature below 32 degrees that year.

How many days below freezing so far?

As of April 25, there have been 80 days this year where the low temperature has fallen below 32 degrees Fahrenheit in Castle Rock, Colorado.

The last time it fell below 32° F was March 31, 2024.

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

Year	Rank	Days < 32 °F
2024	96	80
2023	63	151
2022	85	111
2021	89	98
2020	84	116
2019	72	140
2018	60	155
2017	79	133
2016	80	132
2015	93	87
2014	74	136
2013	63	151
2012	77	135
2011	67	150
2010	55	160
2009	59	157
2008	50	165
2007	73	139
2006	71	148
2005	55	160
2004	63	151
2003	63	151
2002	27	180
2001	42	171
2000	44	170
1999	52	162
1998	39	173
1997	31	178
1996	55	160
1995	49	166
1994	52	162
1993	40	172
1992	86	104
1991	88	99
1990	61	152
1989	58	158
1988	46	169
1987	69	149
1986	74	136
1985	92	88
1984	6	196
1983	50	165
1982	14	191
1981	54	161
1980	74	136
1979	42	171
1978	61	152
1977	67	150
1976	27	180
1975	16	189
1974	19	187
1973	4	198
1972	26	184
1971	37	175
1970	10	193
1969	31	178
1968	10	193
1967	40	172
1966	37	175
1965	17	188
1964	10	193
1963	46	169
1962	91	89
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	83	119
1928	7	195
1927	3	199
1926	89	98
1925	99	30
1924	2	211
1923	23	185
1922	23	185
1921	34	177
1920	97	75
1919	100	0
1918	98	55
1917	10	193
1916	19	187
1915	30	179
1914	23	185
1913	9	194
1912	1	220
1911	69	149
1910	78	134
1909	48	168
1908	5	197
1907	14	191
1906	44	170
1905	94	84
1904	87	101
1903	17	188
1902	31	178
1901	35	176
1900	22	186
1899	27	180
1898	81	129
1897	35	176
1896	7	195
1895	95	83
1894	82	125
1893	19	187

Weather Station Details

Years	Station	Coordinates
1893–2024	Castle Rock	location