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Castle Rock March Weather

Averages and records for weather in Castle Rock, Colorado in the month of March.

Typical Castle Rock March Weather 1991–2020
Average daily high	54.0 °F
Average daily low	25.8 °F
Average monthly precipitation	1.5 inches
Average monthly snow	10.0 inches
Daily chance of precipitation	16.0%
Daily chance of snow	11.4%

Castle Rock March Weather Records 1893–2024
Highest temperature	82 °F	March 28, 2022
Lowest temperature	-20 °F	March 20, 1927
Highest daily low	51 °F	March 29, 1967
Lowest daily high	8 °F	March 4, 2019
Hottest average high temperature	64.6 °F	1910
Coldest average high temperature	41.1 °F	1924
Most daily precipitation	3.0 inches	March 19, 2003
Most monthly precipitation	7.1 inches	2003
Most daily snow	24.0 inches	March 19, 2003
Most monthly snow	50.0 inches	1983

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
March 1	50.1	22.3	74	-16
March 2	50.3	22.6	75	-10
March 3	50.7	22.9	77	-13
March 4	51.0	23.2	78	-12
March 5	51.2	23.3	72	-10
March 6	51.4	23.5	70	-10
March 7	51.6	23.7	70	-4
March 8	51.9	23.9	72	-8
March 9	52.3	24.2	78	-12
March 10	52.8	24.5	78	-8
March 11	53.0	24.7	78	-8
March 12	53.3	24.9	75	-4
March 13	53.6	25.3	74	-6
March 14	53.8	25.5	74	-4
March 15	54.0	25.7	72	-1
March 16	54.3	25.9	78	-13
March 17	54.6	26.2	77	-8
March 18	54.9	26.5	74	-16
March 19	55.1	26.6	73	-20
March 20	55.2	26.8	79	-20
March 21	55.3	27.0	80	-12
March 22	55.5	27.2	76	-6
March 23	55.9	27.4	77	-5
March 24	56.1	27.7	74	-5
March 25	56.2	27.9	76	-8
March 26	56.4	28.1	76	-19
March 27	56.6	28.2	81	-11
March 28	56.6	28.4	82	-6
March 29	56.7	28.5	81	-3
March 30	56.7	28.6	80	-5
March 31	56.9	28.8	77	-6

Weather Station Details

Years	Station	Coordinates
1893–2024	Castle Rock	location