Average Temperature in Castle Rock by Year

This page contains a list of the average yearly high and low temperatures in Castle Rock, Colorado for each year between 1893 and 2023. It is based on NOAA data.

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What Was the Hottest Year Ever in Castle Rock?

2021 was the warmest year in the history of Castle Rock, Colorado. The average daily high temperature was 70.3 °F, and the average low was 42.2 °F.

What Was the Coldest Year Ever in Castle Rock?

1912 was the coolest year in the history of Castle Rock, Colorado. The average daily high temperature was 61.4 °F, and the average low was 26.7 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	16	62.9	35.8
2021	1	70.3	42.2
2020	2	70.1	40.4
2019	6	64.7	36.0
2017	5	64.4	37.0
2016	4	65.2	36.7
2012	3	66.7	37.2
2011	19	63.2	35.2
2010	11	63.3	35.9
2008	27	62.7	33.9
2007	15	63.3	35.5
2006	8	63.8	36.1
2005	18	63.7	34.8
2004	31	63.1	33.2
2003	14	64.7	34.1
2002	26	64.2	32.6
2000	17	64.9	33.7
1999	13	64.9	34.2
1998	21	64.8	33.2
1997	45	62.7	32.0
1996	23	64.3	33.3
1995	29	63.2	33.4
1994	7	65.4	34.6
1993	58	60.7	32.2
1990	28	62.6	34.0
1989	35	62.8	33.1
1988	37	62.7	33.0
1987	34	62.1	34.0
1986	10	64.5	34.8
1984	53	63.4	29.9
1982	38	65.1	30.5
1981	9	67.4	32.3
1979	42	63.9	31.3
1977	12	65.8	33.4
1976	32	64.6	31.7
1975	56	63.1	29.9
1974	59	63.5	29.3
1973	66	62.4	29.4
1972	52	64.0	29.4
1971	50	63.8	30.4
1970	43	63.5	31.4
1969	41	63.1	32.1
1968	46	64.0	30.7
1967	30	64.3	32.1
1966	33	64.6	31.6
1965	49	63.5	30.8
1964	57	63.7	29.2
1963	22	66.2	31.5
1928	64	64.0	28.3
1927	44	64.8	30.0
1924	55	63.5	29.5
1923	65	62.4	29.7
1922	48	64.3	30.1
1921	20	65.9	32.3
1917	68	62.4	28.6
1916	63	63.6	28.8
1915	69	61.3	29.3
1914	60	62.8	30.0
1913	70	62.4	27.5
1912	72	61.4	26.7
1908	62	62.3	30.2
1907	71	59.2	30.3
1906	51	63.4	30.1
1903	61	63.0	29.6
1902	24	66.1	31.3
1901	25	64.9	32.1
1900	40	64.1	31.3
1899	67	63.1	28.6
1897	47	64.5	30.0
1896	54	63.4	29.9
1894	36	65.1	30.7
1893	39	64.3	31.2

Weather Station Details

Years	Station	Coordinates
1893–2024	Castle Rock	location