Number of Days of 100 °F in Castle Rock by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Castle Rock, Colorado, between 1893 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 2022 holds the record for the most 100 °F days in Castle Rock history. There were 6 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Castle Rock so far in 2024. As of April 25, the highest temperature this year is 74 °F.

The last time it reached at least 100° F was July 19, 2022.

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

Year	Rank	Days >= 100 °F
2024	4	0
2023	4	0
2022	1	6
2021	2	3
2020	4	0
2019	4	0
2018	4	0
2017	4	0
2016	4	0
2015	4	0
2014	4	0
2013	4	0
2012	2	3
2011	4	0
2010	4	0
2009	4	0
2008	4	0
2007	4	0
2006	4	0
2005	4	0
2004	4	0
2003	4	0
2002	4	0
2001	4	0
2000	4	0
1999	4	0
1998	4	0
1997	4	0
1996	4	0
1995	4	0
1994	4	0
1993	4	0
1992	4	0
1991	4	0
1990	4	0
1989	4	0
1988	4	0
1987	4	0
1986	4	0
1985	4	0
1984	4	0
1983	4	0
1982	4	0
1981	4	0
1980	4	0
1979	4	0
1978	4	0
1977	4	0
1976	4	0
1975	4	0
1974	4	0
1973	4	0
1972	4	0
1971	4	0
1970	4	0
1969	4	0
1968	4	0
1967	4	0
1966	4	0
1965	4	0
1964	4	0
1963	4	0
1962	4	0
1961	4	0
1960	4	0
1959	4	0
1958	4	0
1957	4	0
1956	4	0
1955	4	0
1954	4	0
1953	4	0
1952	4	0
1951	4	0
1950	4	0
1949	4	0
1948	4	0
1947	4	0
1946	4	0
1945	4	0
1944	4	0
1943	4	0
1942	4	0
1941	4	0
1940	4	0
1939	4	0
1938	4	0
1937	4	0
1936	4	0
1935	4	0
1934	4	0
1933	4	0
1932	4	0
1931	4	0
1930	4	0
1929	4	0
1928	4	0
1927	4	0
1926	4	0
1925	4	0
1924	4	0
1923	4	0
1922	4	0
1921	4	0
1920	4	0
1919	4	0
1918	4	0
1917	4	0
1916	4	0
1915	4	0
1914	4	0
1913	4	0
1912	4	0
1911	4	0
1910	4	0
1909	4	0
1908	4	0
1907	4	0
1906	4	0
1905	4	0
1904	4	0
1903	4	0
1902	4	0
1901	4	0
1900	4	0
1899	4	0
1898	4	0
1897	4	0
1896	4	0
1895	4	0
1894	4	0
1893	4	0

Weather Station Details

Years	Station	Coordinates
1893–2024	Castle Rock	location